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Release 3.4.6 - TBD

Backward compatible changes:

BUGFIXES:

  ZOOKEEPER-1474. Cannot build Zookeeper with IBM Java: use of Sun
  MXBean classes (Adalberto Medeiros via phunt)

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  ZOOKEEPER-1596. Zab1_0Test should ensure that the file is closed
  (Enis Soztutar via phunt)

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  ZOOKEEPER-1513. "Unreasonable length" exception while starting a
  server (Skye W-M via phunt)

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  ZOOKEEPER-1581. change copyright in notice to 2012 (breed via phunt)

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  ZOOKEEPER-753. log4j dependency in the pom needs to have exclusion
  lists (Sean Busbey via phunt)

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  ZOOKEEPER-1553. Findbugs configuration is missing some dependencies
  (Sean Busbey via phunt)

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  ZOOKEEPER-1478. Small bug in QuorumTest.testFollowersStartAfterLeader( )
  (Alexander Shraer via fpj, breed, phunt)

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  ZOOKEEPER-1387. Wrong epoch file created
  (Benjamin Busjaeger via breed, phunt)

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  ZOOKEEPER-1578. org.apache.zookeeper.server.quorum.Zab1_0Test failed due to
  hard code with 33556 port. (Li Ping via mahadev)

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  ZOOKEEPER-1334. Zookeeper 3.4.x is not OSGi compliant - MANIFEST.MF
  is flawed (Claus Ibsen via phunt)
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  ZOOKEEPER-1535. ZK Shell/Cli re-executes last command on exit 
  (Edward Ribeiro via camille)
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  ZOOKEEPER-1495. ZK client hangs when using a function not available
  on the server. (Skye W-M via phunt)

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  ZOOKEEPER-1613. The documentation still points to 2008 in the
  copyright notice (Edward Ribeiro via phunt)

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  ZOOKEEPER-1562. Memory leaks in zoo_multi API
  (Deepak Jagtap via phunt)

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  ZOOKEEPER-1645. ZooKeeper OSGi package imports not complete
  (Arnoud Glimmerveen via phunt)

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  ZOOKEEPER-1648. Fix WatcherTest in JDK7
  (Thawan Kooburat via phunt)

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  ZOOKEEPER-1606. intermittent failures in ZkDatabaseCorruptionTest on
  jenkins (lixiaofeng via phunt)

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  ZOOKEEPER-1647. OSGi package import/export changes not applied to
  bin-jar (Arnoud Glimmerveen via phunt)

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  ZOOKEEPER-1633. Introduce a protocol version to connection initiation
  message (Alexander Shraer via michim)

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  ZOOKEEPER-1697.  large snapshots can cause continuous quorum failure
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  (phunt via fpj)

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  ZOOKEEPER-1706. Typo in Double Barriers example (Jingguo Yao via fpj)
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  ZOOKEEPER-1642. Leader Loading Database Twice (fpj via camille)
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  ZOOKEEPER-1663. scripts don't work when path contains spaces (Amichai Rothman via camille)
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  ZOOKEEPER-1714 perl client segfaults if ZOO_READ_ACL_UNSAFE constant is used
  (Botond Hejj via camille)
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  ZOOKEEPER-1719. zkCli.sh, zkServer.sh and zkEnv.sh regression caused by ZOOKEEPER-1663
  (Marshall McMullen via camille)
  
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  ZOOKEEPER-1702. ZooKeeper client may write operation packets before
  receiving successful response to connection request, can cause TCP
  RST (Chris Nauroth via phunt)

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  ZOOKEEPER-1629. testTransactionLogCorruption occasionally fails. (shralex via camille)

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  ZOOKEEPER-1731. Unsynchronized access to ServerCnxnFactory.connectionBeans results in 
  deadlock. (Dave Latham via camille)
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  ZOOKEEPER-1713. wrong time calculation in zkfuse.cc (german via fpj)
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  ZOOKEEPER-1379. 'printwatches, redo, history and connect '. client commands always print usage. This is not necessary (edward via fpj)
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  ZOOKEEPER-1448: Node+Quota creation in transaction log can crash leader startup (Botond Hejj via fpj) 
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  ZOOKEEPER-1664. Kerberos auth doesn't work with native platform GSS integration. (Boaz Kelmer via camille) 
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  ZOOKEEPER-1750. Race condition producing NPE in NIOServerCnxn.toString
  (Rakesh R via michim)

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  ZOOKEEPER-1754. Read-only server allows to create znode (Rakesh R via fpj)

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  ZOOKEEPER-1751. ClientCnxn#run could miss the second ping or connection get
  dropped before a ping. (Jeffrey Zhong  via mahadev)

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  ZOOKEEPER-1657. Increased CPU usage by unnecessary SASL checks (Philip K. Warren via fpj)

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  ZOOKEEPER-1753. ClientCnxn is not properly releasing the resources, 
                  which are used to ping RwServer (Rakesh R via fpj)

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  ZOOKEEPER-1096. Leader communication should listen on specified IP, not wildcard address (Jared Cantwell, German Blanco via fpj)

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  ZOOKEEPER-87. Follower does not shut itself down if its too far behind the leader. (German Blanco via fpj)

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  ZOOKEEPER-1603. StaticHostProviderTest testUpdateClientMigrateOrNot hangs (fpj)

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  ZOOKEEPER-1696. Fail to run zookeeper client on Weblogic application server.
  (Jeffrey Zhong via mahadev)
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  ZOOKEEPER-1770. NullPointerException in SnapshotFormatter
  (Germán Blanco via phunt)

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  ZOOKEEPER-732. Improper translation of error into Python exception (Andrei Savu, Lei Zhang, fpj via fpj)

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  ZOOKEEPER-1551. Observers ignore txns that come after snapshot and UPTODATE
  (thawan, fpj via thawan)

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  ZOOKEEPER-1774. QuorumPeerMainTest fails consistently with
  "complains about host" assertion failure (phunt)

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  ZOOKEEPER-877. zkpython does not work with python3.1
  (Daniel Enman via phunt)
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  ZOOKEEPER-1624. PrepRequestProcessor abort multi-operation incorrectly. (thawan via camille)
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  ZOOKEEPER-1610. Some classes are using == or != to compare
  Long/String objects instead of .equals() (Edward Ribeiro via phunt)

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  ZOOKEEPER-1646. mt c client tests fail on Ubuntu Raring (phunt)

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  ZOOKEEPER-1558. Leader should not snapshot uncommitted state (fpj)

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  ZOOKEEPER-1732. ZooKeeper server unable to join established
  ensemble (German Blanco via fpj)

  ZOOKEEPER-1667. Watch event isn't handled correctly when 
  a client reestablish to a server (jacky007, fpj via fpj)
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  ZOOKEEPER-1799. SaslAuthFailDesignatedClientTest.testAuth fails
  frequently on SUSE (Jeffrey Zhong via phunt)

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  ZOOKEEPER-1557. jenkins jdk7 test failure in
  testBadSaslAuthNotifiesWatch (Eugene Koontz via phunt)

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  ZOOKEEPER-1744. clientPortAddress breaks "zkServer.sh status"
  (Nick Ohanian via phunt)

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  ZOOKEEPER-1798. Fix race condition in testNormalObserverRun
  (thawan, fpj via thawan)

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  ZOOKEEPER-1808. Add version to FLE notifications for 3.4 branch (fpj)
  
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  ZOOKEEPER-1812. ZooInspector reconnection always fails if first
  connection fails (Benjamin Jaton via phunt)

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  ZOOKEEPER-1597. Windows build failing (michim via fpj)

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  ZOOKEEPER-1817. Fix don't care for b3.4 (fpj)

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  ZOOKEEPER-1653. zookeeper fails to start because of inconsistent
  epoch (michim via fpj)

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  ZOOKEEPER-1821. very ugly warning when compiling load_gen.c
  (german blanco via fpj)

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  ZOOKEEPER-1632. fix memory leaks in cli_st (fpj via michim)

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  ZOOKEEPER-1459. Standalone ZooKeeperServer is not closing 
  the transaction log files on shutdown (Rakesh R via fpj)

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  ZOOKEEPER-1019. zkfuse doesn't list dependency on boost in README
  (Raul Gutierrez Segales via michim)

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  ZOOKEEPER-1834. Catch IOException in FileTxnLog (fpj via michim)
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  ZOOKEEPER-1382. Zookeeper server holds onto dead/expired session ids in the watch data structures
  (Germán Blanco and Michael Morello via camille)
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  ZOOKEEPER-1837. Fix JMXEnv checks (potential race conditions)
  (Germán Blanco via fpj)

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  ZOOKEEPER-1839. Deadlock in NettyServerCnxn (Rakesh R via michim)

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  ZOOKEEPER-1622. session ids will be negative in the year 2022
  (Eric Newton via phunt)

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  ZOOKEEPER-1756. zookeeper_interest() in C client can return a timeval of 0
  (Eric Lindvall via michim)

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  ZOOKEEPER-1388. Client side 'PathValidation' is missing for the
  multi-transaction api. (Rakesh R via marshallm, phunt)

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  ZOOKEEPER-1841. problem in QuorumTest (Germán via fpj)

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  ZOOKEEPER-1733 FLETest#testLE is flaky oo.l windows boxes 
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  (michim, Jeffrey Zhong via fpj)
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  ZOOKEEPER-1849. Need to properly tear down tests in various
  cases (Germán via fpj) 


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IMPROVEMENTS:

  ZOOKEEPER-1564. Allow JUnit test build with IBM Java
    (Paulo Ricardo Paz Vital via phunt)

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  ZOOKEEPER-1598. Ability to support more digits in the version string
  (Raja Aluri via phunt)

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  ZOOKEEPER-1583. Document maxClientCnxns in conf/zoo_sample.cfg
  (Christopher Tubbs via phunt)

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  ZOOKEEPER-1584. Adding mvn-install target for deploying the
  zookeeper artifacts to .m2 repository (Ashish Singh via phunt)

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  ZOOKEEPER-1324. Remove Duplicate NEWLEADER packets from the
  Leader to the Follower. (thawan, fpj via fpj)
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  ZOOKEEPER-1615. minor typos in ZooKeeper Programmer's Guide web page
  (Evan Zacks via phunt)

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  ZOOKEEPER-1552. Enable sync request processor in Observer (thawan, fpj)
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  ZOOKEEPER-1758. Add documentation for zookeeper.observer.syncEnabled flag 
  (thawan, fpj via thawan)

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  ZOOKEEPER-1771. ZooInspector authentication (Benjamin Jaton via phunt)

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  ZOOKEEPER-1627. Add org.apache.zookeeper.common to exported packages
  in OSGi MANIFEST (Arnoud Glimmerveen via phunt)
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  ZOOKEEPER-1666. Avoid Reverse DNS lookup if the hostname in 
  connection string is literal IP address. (George Cao via camille)
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  ZOOKEEPER-1786. ZooKeeper data model documentation is incorrect
  (Niraj Tolia via fpj)
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  ZOOKEEPER-1715. Upgrade netty version (Sean Bridges via michim)

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Release 3.4.5 - 2012-09-30
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Backward compatible changes:

BUGFIXES:

  ZOOKEEPER-1376. zkServer.sh does not correctly check for
  $SERVER_JVMFLAGS (Skye W-M via henryr)

Mahadev Konar's avatar
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  ZOOKEEPER-1550. ZooKeeperSaslClient does not finish anonymous login on
  OpenJDK. (Eugene Koontz via mahadev)


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Release 3.4.4 - 2012-09-17 
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Backward compatible changes:

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BUGFIXES:

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  ZOOKEEPER-1466. QuorumCnxManager.shutdown missing synchronization.
  (Patrick Hunt via mahadev)

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  ZOOKEEPER-1386. avoid flaky URL redirection in "ant javadoc" : 
  replace "http://java.sun.com/javase/6/docs/api/" with 
  "http://download.oracle.com/javase/6/docs/api/" (Eugene Koontz via camille) 
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  ZOOKEEPER-1354. AuthTest.testBadAuthThenSendOtherCommands fails
  intermittently (phunt via camille)
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  ZOOKEEPER-1277. servers stop serving when lower 32bits of zxid roll
  over (phunt)
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  ZOOKEEPER-1412. java client watches inconsistently triggered on
  reconnect (phunt)

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  ZOOKEEPER-1344. ZooKeeper client multi-update command is not
  considering the Chroot request (Rakesh R via phunt)
  
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  ZOOKEEPER-1307. zkCli.sh is exiting when an Invalid ACL exception is
  thrown from setACL command through client (Kavita Sharma via phunt)
  
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  ZOOKEEPER-1390. some expensive debug code not protected by a check
  for debug (breed via camille)
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  ZOOKEEPER-1406. dpkg init scripts don't restart - missing
  check_priv_sep_dir (Chris Beauchamp via phunt)
   
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  ZOOKEEPER-1403. zkCli.sh script quoting issue (James Page via phunt)
   
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  ZOOKEEPER-1384. test-cppunit overrides LD_LIBRARY_PATH and fails if
  gcc is in non-standard location (Jay Shrauner via phunt)
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  ZOOKEEPER-1419. Leader election never settles for a 5-node cluster
  (flavio via camille)
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  ZOOKEEPER-1256. ClientPortBindTest is failing on Mac OS X
  (Daniel Gómez Ferro via phunt)
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  ZOOKEEPER-1433. improve ZxidRolloverTest (test seems flakey) (phunt via henryr)
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  ZOOKEEPER-1395. node-watcher double-free redux (Mike Lundy via henryr)
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  ZOOKEEPER-1450. Backport of ZOOKEEPER-1294 fix to 3.4 and 3.3 (Norman Bishop via camille)
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  ZOOKEEPER-1048. addauth command does not work in cli_mt/cli_st (allengao via michim)
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  ZOOKEEPER-1339. C client doesn't build with --enable-debug (Eric Liang via michim)
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  ZOOKEEPER-1318. In Python binding, get_children (and get and exists, and probably others)
  with expired session doesn't raise exception properly (henryr via michim)

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  ZOOKEEPER-1431. zkpython async calls leak memory (Kapil Thangavelu and Andre Cruz via henryr)

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  ZOOKEEPER-1163. Memory leak in zk_hashtable.c:do_insert_watcher_object()
  (Anupam Chanda via michim)

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  ZOOKEEPER-1490. If the configured log directory does not exist
    zookeeper will not start. Better to create the directory and start
    (suja s via phunt)

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  ZOOKEEPER-1210. Can't build ZooKeeper RPM with RPM >= 4.6.0 (i.e. on
    RHEL 6 and Fedora >= 10) (Tadeusz Andrzej Kadłubowski via phunt)

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  ZOOKEEPER-1236. Security uses proprietary Sun APIs
    (Adalberto Medeiros via phunt)

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  ZOOKEEPER-1471. Jute generates invalid C++ code
    (Michi Mutsuzaki via phunt)
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  ZOOKEEPER-1465. Cluster availability following new leader election 
    takes a long time with large datasets - is correlated to dataset size
    (fpj and Thawan Kooburat via camille)
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  ZOOKEEPER-1427. Writing to local files is done non-atomically (phunt)

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  ZOOKEEPER-1489. Data loss after truncate on transaction log (phunt)

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  ZOOKEEPER-1521. LearnerHandler initLimit/syncLimit problems
    specifying follower socket timeout limits (phunt)

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  ZOOKEEPER-1493. C Client: zookeeper_process doesn't invoke
    completion callback if zookeeper_close has been called
    (Michi Mutsuzaki via phunt and mahadev)

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  ZOOKEEPER-1522. intermittent failures in Zab test due to NPE in
    recursiveDelete test function (phunt via flavio)

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  ZOOKEEPER-1514. FastLeaderElection - leader ignores the round
  information when joining a quorum (flavio via henryr)

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  ZOOKEEPER-1536 c client : memory leak in winport.c (brooklin via michim)

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  ZOOKEEPER-1481 allow the C cli to run exists with a watcher (phunt via michim)

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  ZOOKEEPER-1380. zkperl: _zk_release_watch doesn't remove items properly from
  the watch list. (Botond Hejj via mahadev)

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  ZOOKEEPER-1501. Nagios plugin always returns OK when it cannot connect to
  zookeeper. (Brian Sutherland via mahadev)

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  ZOOKEEPER-1494. C client: socket leak after receive timeout in
  zookeeper_interest() (Michi Mutsuzaki via mahadev)

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  ZOOKEEPER-1483. Fix leader election recipe documentation. (Michi Mutsuzaki
  via mahadev)

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  ZOOKEEPER-1496. Ephemeral node not getting cleared even after client has
  exited (Rakesh R via mahadev)

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IMPROVEMENTS:

  ZOOKEEPER-1389. it would be nice if start-foreground used exec $JAVA
  in order to get rid of the intermediate shell process
  (Roman Shaposhnik via phunt)

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  ZOOKEEPER-1377. add support for dumping a snapshot file content (similar to LogFormatter). (phunt via camille)

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  ZOOKEEPER-1454. Document how to run autoreconf if cppunit is
    installed in a non-standard directory (Michi Mutsuzaki via phunt)
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  ZOOKEEPER-1503. remove redundant JAAS configuration code in SaslAuthTest and
    SaslAuthFailTest (Eugene Koontz via phunt)

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  ZOOKEEPER-1510. Should not log SASL errors for non-secure usage
    (Todd Lipcon via phunt)

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  ZOOKEEPER-1497. Allow server-side SASL login with JAAS configuration
  to be programmatically set (rather than only by reading JAAS
  configuration file) (Matteo Bertozzi via phunt)
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  ZOOKEEPER-1437. Client uses session before SASL authentication complete.
  (Eugene Koontz via mahadev)
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  ZOOKEEPER-1361. Leader.lead iterates over 'learners' set without proper
  synchronisation. (Henry Robinson via mahadev)
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Mahadev Konar's avatar
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Release 3.4.3 - 2012-02-06
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Backward compatible changes:

BUGFIXES: 

  ZOOKEEPER-1089. zkServer.sh status does not work due to invalid
  option of nc (Roman Shaposhnik via phunt)

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  ZOOKEEPER-1345. Add a .gitignore file with general exclusions and
  Eclipse project files excluded (Harsh J via phunt)

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  ZOOKEEPER-1343. getEpochToPropose should check if lastAcceptedEpoch is greater or equal than epoch (fpj via breed)
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  ZOOKEEPER-1358. In StaticHostProviderTest.java, testNextDoesNotSleepForZero tests that hostProvider.next(0) 
  doesn't sleep by checking that the latency of this call is less than 10sec (Alex Shraer via camille)
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  ZOOKEEPER-1351. invalid test verification in MultiTransactionTest (phunt via camille)
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  ZOOKEEPER-973. bind() could fail on Leader because it does not
  setReuseAddress on its ServerSocket (Harsh J via phunt)

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  ZOOKEEPER-1367. Data inconsistencies and unexpired ephemeral nodes after cluster restart.
  (Bejamin Reed via mahadev)

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  ZOOKEEPER-1353. C client test suite fails consistently.
  (Clint Byrum via mahadev)

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  ZOOKEEPER-1373. Hardcoded SASL login context name clashes with Hadoop security 
  configuration override. (Eugene Koontz and Thomas Weise via mahadev)

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  ZOOKEEPER-1352. server.InvalidSnapshotTest is using connection timeouts that 
  are too short. (phunt via mahadev)

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  ZOOKEEPER-1336. javadoc for multi is confusing, references functionality that doesn't 
  seem to exist (phunt via mahadev)

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  ZOOKEEPER-1340. multi problem - typical user operations are 
  generating ERROR level messages in the server (phunt via mahadev)
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  ZOOKEEPER-1374. C client multi-threaded test suite fails to 
  compile on ARM architectures. (James Page via mahadev)
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  ZOOKEEPER-1337. multi's "Transaction" class is missing tests.
  (phunt and camille via mahadev)
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  ZOOKEEPER-1338. class cast exceptions may be thrown by multi 
  ErrorResult class (invalid equals) (phunt via mahadev)
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IMPROVEMENTS:
 
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  ZOOKEEPER-1322. Cleanup/fix logging in Quorum code. (phunt via mahadev)
 
  ZOOKEEPER-1327. there are still remnants of hadoop urls.
  (Harsh J via mahadev)
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Release 3.4.2 - 2011-12-21
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Backward compatible changes:

BUGFIXES: 

  ZOOKEEPER-1323. c client doesn't compile on freebsd
  (michi mutsuzaki via phunt)

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  ZOOKEEPER-1333. NPE in FileTxnSnapLog when restarting a cluster.
  (Patrick Hunt and Andrew Mc Nair via mahadev)
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Mahadev Konar's avatar
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Release 3.4.1 - 2011-12-12
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Backward compatible changes:

BUGFIXES: 

  ZOOKEEPER-1311. ZooKeeper test jar is broken (Ivan Kelly via phunt)

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  ZOOKEEPER-1305. zookeeper.c:prepend_string func can dereference null ptr.
  (Daniel Lescohier via mahadev)
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  ZOOKEEPER-1316. zookeeper_init leaks memory if chroot is just '/'.
  (Akira Kitada via mahadev)

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  ZOOKEEPER-1315. zookeeper_init always reports sessionPasswd=<hidden>.
  (Akira Kitada via mahadev)

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  ZOOKEEPER-1317. Possible segfault in zookeeper_init. 
  (Akira Kitada via mahadev)

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  ZOOKEEPER-1319. Missing data after restarting+expanding a cluster.
  (Patrick Hunt and Ben Reed via mahadev)

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  ZOOKEEPER-1269. Multi deserialization issues (Camille Fournier via 
  mahadev)

Mahadev Konar's avatar
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Release 3.4.0 - 2011-10-25
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Non-backward compatible changes:

BUGFIXES: 

Backward compatible changes:

BUGFIXES: 

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  ZOOKEEPER-735. cppunit test testipv6 assumes that the machine is ipv6
  enabled. (mahadev)

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  ZOOKEEPER-720. Use zookeeper-{version}-sources.jar instead of
  zookeeper-{version}-src.jar to publish sources in the Maven repository
  (paolo via phunt)

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  ZOOKEEPER-722. zkServer.sh uses sh's builtin echo on BSD, behaves
  incorrectly. (Ivan Kelly via phunt)

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  ZOOKEEPER-741. root level create on REST proxy fails (phunt)

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  ZOOKEEPER-631. zkpython's C code could do with a style clean-up
  (henry robinson via phunt)
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  ZOOKEEPER-746. learner outputs session id to log in dec (phunt via
  henryr)
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  ZOOKEEPER-738. zookeeper.jute.h fails to compile with -pedantic
  (Jozef Hatala via phunt)

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  ZOOKEEPER-734. QuorumPeerTestBase.java and ZooKeeperServerMainTest.java
  do not handle windows path correctly (Vishal K via phunt)

532
  ZOOKEEPER-754. numerous misspellings "succesfully"
533
  (Andrei Savu via phunt)
534

535
536
537
538
539
540
  ZOOKEEPER-749. OSGi metadata not included in binary only jar (phunt
  via henryr)

  ZOOKEEPER-750. move maven artifacts into "dist-maven" subdir of the
  release (package target) (phunt via henryr)

541
542
543
  ZOOKEEPER-758. zkpython segfaults on invalid acl with missing key
  (Kapil Thangavelu via henryr)

544
545
  ZOOKEEPER-737. some 4 letter words may fail with netcat (nc). (mahadev)

546
547
548
  ZOOKEEPER-764. Observer elected leader due to inconsistent voting view 
  (henry via mahadev)

549
550
551
  ZOOKEEPER-763. Deadlock on close w/ zkpython / c client
  (henry via phunt)

552
553
554
  ZOOKEEPER-774. Recipes tests are slightly outdated: they do not compile
  against JUnit 4.8 (Sergey Doroshenko via phunt)

555
556
557
  ZOOKEEPER-772. zkpython segfaults when watcher from async get children is
  invoked. (henry via phunt)

558
559
560
  ZOOKEEPER-636. configure.ac has instructions which override the contents of
  CFLAGS and CXXFLAGS. (Maxim P. Dementiev via phunt)

561
562
563
  ZOOKEEPER-796. zkServer.sh should support an external PIDFILE variable
  (Alex Newman via phunt)

564
565
  ZOOKEEPER-719. Add throttling to BookKeeper client (fpj via breed)

566
567
568
  ZOOKEEPER-814. monitoring scripts are missing apache license headers
  (andrei savu via mahadev)

569
570
571
  ZOOKEEPER-783. committedLog in ZKDatabase is not properly synchronized
  (henry via mahadev) 

572
573
574
  ZOOKEEPER-790.  Last processed zxid set prematurely while establishing 
  leadership (flavio via mahadev)

575
576
577
  ZOOKEEPER-795. eventThread isn't shutdown after a connection 
  "session expired" event coming (Sergey Doroshenko and Ben via mahadev)

578
579
  ZOOKEEPER-792. zkpython memory leak (Lei Zhang via henryr)

580
581
582
  ZOOKEEPER-854. BookKeeper does not compile due to changes in the ZooKeeper 
  code (Flavio via mahadev)

583
584
585
  ZOOKEEPER-861. Missing the test SSL certificate used for running junit tests.
  (erwin tam via mahadev)

586
587
  ZOOKEEPER-867. ClientTest is failing on hudson - fd cleanup (phunt)

588
589
590
591
592
  ZOOKEEPER-785. Zookeeper 3.3.1 shouldn't infinite loop if someone creates a
  server.0 line (phunt and Andrei Savu via breed)

  ZOOKEEPER-785. Zookeeper 3.3.1 shouldn't infinite loop if someone creates a
  server.0 line (part 2) (phunt)
593

594
595
  ZOOKEEPER-870. Zookeeper trunk build broken. (mahadev via phunt)

596
597
  ZOOKEEPER-831. BookKeeper: Throttling improved for reads (breed via fpj)

598
599
  ZOOKEEPER-846. zookeeper client doesn't shut down cleanly on the close call
  (phunt)
600
601
602
  
  ZOOKEEPER-804. c unit tests failing due to "assertion cptr failed" (michi
  mutsuzaki via mahadev)
603

604
605
606
  ZOOKEEPER-844. handle auth failure in java client
  (Camille Fournier via phunt)

607
608
609
  ZOOKEEPER-822. Leader election taking a long time to complete
  (Vishal K via phunt)

610
611
  ZOOKEEPER-866. Hedwig Server stays in "disconnected" state when
  connection to ZK dies but gets reconnected (erwin tam via breed)
612

613
614
  ZOOKEEPER-881. ZooKeeperServer.loadData loads database twice
  (jared cantwell via breed)
615

616
617
618
  ZOOKEEPER-855. clientPortBindAddress should be clientPortAddress
  (Jared Cantwell via fpj)

619
620
621
622
623
  ZOOKEEPER-888. c-client / zkpython: Double free corruption on
  node watcher (Austin Shoemaker via henryr)

  ZOOKEEPER-893. ZooKeeper high cpu usage when invalid requests
  (Thijs Terlouw via phunt)
624

625
626
627
  ZOOKEEPER-804. c unit tests failing due to "assertion cptr failed"
  (second try - Jared Cantwell via phunt)

628
629
630
  ZOOKEEPER-820. update c unit tests to ensure "zombie" java server
  processes don't cause failure (Michi Mutsuzaki via phunt)

631
632
633
  ZOOKEEPER-794. Callbacks are not invoked when the client is closed
  (Alexis Midon via phunt)

634
635
636
  ZOOKEEPER-800. zoo_add_auth returns ZOK if zookeeper handle is in
  ZOO_CLOSED_STATE (michi mutsuzaki via mahadev konar)

637
638
639
  ZOOKEEPER-904. super digest is not actually acting as a full superuser
  (Camille Fournier via mahadev)

640
641
  ZOOKEEPER-897. C Client seg faults during close (jared cantwell via mahadev)

642
643
644
  ZOOKEEPER-898. C Client might not cleanup correctly during close 
  (jared cantwell via mahadev)

645
646
  ZOOKEEPER-907. Spurious "KeeperErrorCode = Session moved" messages (vishal k via breed)

647
648
  ZOOKEEPER-884. Remove LedgerSequence references from BookKeeper documentation and comments in tests (fpj via breed)

649
650
  ZOOKEEPER-916. Problem receiving messages from subscribed channels in c++ client (ivan via breed)

651
652
  ZOOKEEPER-930. Hedwig c++ client uses a non thread safe logging library (ivan via breed)

653
654
  ZOOKEEPER-900. FLE implementation should be improved to use non-blocking sockets (vishal via fpj)

655
656
  ZOOKEEPER-937. test -e not available on solaris /bin/sh (Erik Hetzner via mahadev)

657
658
  ZOOKEEPER-905. enhance zkServer.sh for easier zookeeper automation-izing (Nicholas Harteau via mahadev)

659
660
  ZOOKEEPER-913. Version parser fails to parse "3.3.2-dev" from build.xml (Anthony Urso and phunt via breed)

661
662
  ZOOKEEPER-957. zkCleanup.sh doesn't do anything (Ted Dunning via mahadev)

663
664
665
  ZOOKEEPER-958. Flag to turn off autoconsume in hedwig c++ client (Ivan Kelly
  via mahadev)

666
667
  ZOOKEEPER-882. Startup loads last transaction from snapshot (j:ared via fpj)

668
669
670
671
672
  ZOOKEEPER-962. leader/follower coherence issue when follower is receiving a DIFF
  (camille fournier via breed)

  ZOOKEEPER-902. Fix findbug issue in trunk "Malicious code vulnerability"
  (flavio and phunt via phunt)
673

674
675
  ZOOKEEPER-985. Test BookieRecoveryTest fails on trunk. (fpj via breed)

676
677
  ZOOKEEPER-983. running zkServer.sh start remotely using ssh hangs (phunt)

678
679
  ZOOKEEPER-976. ZooKeeper startup script doesn't use JAVA_HOME (phunt)

680
681
682
  ZOOKEEPER-994 "eclipse" target in the build script doesnot include
  libraray required for test classes in the classpath (MIS via phunt) 

683
684
685
  ZOOKEEPER-1013 zkServer.sh usage message should mention all startup options
  (eugene koontz via mahadev)

686
687
  ZOOKEEPER-1007. iarchive leak in C client (jeremy stribling via mahadev)

688
689
  ZOOKEEPER-993. Code improvements (MIS via fpj)

690
691
  ZOOKEEPER-1012. support distinct JVMFLAGS for zookeeper server in zkServer.sh 
  and zookeeper client in zkCli.sh (Eugene Koontz via breed)
692

693
694
  ZOOKEEPER-880. QuorumCnxManager$SendWorker grows without bounds (vishal via breed)

695
696
697
698
699
  ZOOKEEPER-1018. The connection permutation in get_addrs uses a weak and inefficient 
  shuffle (Stephen Tyree via breed)
 
  ZOOKEEPER-1028. In python bindings, zookeeper.set2() should return a stat dict but 
  instead returns None. (Chris Medaglia and Ivan Kelly via mahadev)
700

701
702
  ZOOKEEPER-975. new peer goes in LEADING state even if ensemble is online. (vishal via fpj)

703
704
  ZOOKEEPER-1049. Session expire/close flooding renders heartbeats to delay significantly. 
  (chang song via mahadev)
705
706
707
  
  ZOOKEEPER-1033. c client should install includes into INCDIR/zookeeper, not INCDIR/c-client-src
  (Nicholas Harteau via mahadev)
708

709
710
  ZOOKEEPER-1061. Zookeeper stop fails if start called twice. (Ted Dunning via mahadev)

711
  ZOOKEEPER-1059. stat command isses on non-existing node causes NPE. (Bhallamudi Kamesh via mahadev)
712
713
  
  ZOOKEEPER-1058. fix typo in opToString for getData. (camille)
714
715
  
  ZOOKEEPER-1046. Creating a new sequential node results in a ZNODEEXISTS error. (Vishal K via camille) 
716
717
  
  ZOOKEEPER-1069. Calling shutdown() on a QuorumPeer too quickly can lead to a corrupt log. (Vishal K via camille) 
718

719
720
  ZOOKEEPER-1083. Javadoc for WatchedEvent not being generated. (Ivan Kelly via michim)

721
722
  ZOOKEEPER-1086. zookeeper test jar has non mavenised dependency. (Ivan Kelly via michim)

723
724
725
726
727
728
  ZOOKEEPER-335. zookeeper servers should commit the new leader txn to their logs. (breed)

  ZOOKEEPER-1081. modify leader/follower code to correctly deal with new leader (breed)

  ZOOKEEPER-1082. modify leader election to correctly take into account current epoch (fpj via breed)

729
730
  ZOOKEEPER-1060. QuorumPeer takes a long time to shutdown (Vishal via fpj)

731
732
  ZOOKEEPER-1087. ForceSync VM arguement not working when set to "no" (Nate Putnam via breed)

733
734
735
  ZOOKEEPER-1068. Documentation and default config suggest incorrect
  location for Zookeeper state (Roman Shaposhnik via phunt)

736
737
738
  ZOOKEEPER-1103. In QuorumTest, use the same "for ( .. try { break }
  catch { } )" pattern in testFollowersStartAfterLeaders as in
  testSessionMove. (Eugene Koontz via phunt)
739
740
741
  ZOOKEEPER-1046. Creating a new sequential node results in a ZNODEEXISTS error. (breed via camille)

  ZOOKEEPER-1097. Quota is not correctly rehydrated on snapshot reload (camille via henryr)
742
743
  
  ZOOKEEPER-1046. Small fix: Creating a new sequential node results in a ZNODEEXISTS error. (Vishal K via camille)
744

745
746
  ZOOKEEPER-782. Incorrect C API documentation for Watches. (mahadev via breed)

747
748
  ZOOKEEPER-1063. Dubious synchronization in Zookeeper and ClientCnxnSocketNIO classes (Yanick Dufresne via breed)

749
750
  ZOOKEEPER-1124. Multiop submitted to non-leader always fails due to timeout (Marshall McMullen via breed)

751
752
  ZOOKEEPER-1111. JMXEnv uses System.err instead of logging
  (Ivan Kelly via phunt)
753
754
755
  
  ZOOKEEPER-1027. chroot not transparent in zoo_create() (Thijs Terlouw via
  mahadev)
756
757
758
  
  ZOOKEEPER-1109. Zookeeper service is down when SyncRequestProcessor meets
  any exception. (Laxman via mahadev)
759

760
761
762
  ZOOKEEPER-1134. ClientCnxnSocket string comparison using == rather than equals.
  (phunt via mahadev) 

763
764
765
  ZOOKEEPER-1119. zkServer stop command incorrectly reading comment lines in
  zoo.cfg (phunt via mahadev)

766
767
  ZOOKEEPER-1090. Race condition while taking snapshot can lead to not restoring data tree correctly (Vishal K via breed)

768
769
  ZOOKEEPER-1138. release audit failing for a number of new files. (phunt via mahadev) 

770
771
  ZOOKEEPER-1139. jenkins is reporting two warnings, fix these (phunt via mahadev)

772
  ZOOKEEPER-1142. incorrect stat output (phunt via mahadev)
773
774
  
  ZOOKEEPER-1144. ZooKeeperServer not starting on leader due to a race condition (Vishal K via camille)
775

776
777
  ZOOKEEPER-839. deleteRecursive does not belong to the other methods.
   (mahadev)
778
779
780
 
  ZOOKEEPER-1146. significant regression in client (c/python) performance.
  (phunt via mahadev)
781

782
783
784
  ZOOKEEPER-1150. fix for this patch to compile on windows. (dheeraj
  via mahadev)

785
786
787
  ZOOKEEPER-1055. check for duplicate ACLs in addACL() and create().
  (Eugene Koontz via mahadev)

788
  ZOOKEEPER-1141. zkpython fails tests under python 2.4. (phunt via mahadev)
789
790
  
  ZOOKEEPER-1025. zkCli is overly sensitive to to spaces. (Laxman via camille)
791

792
793
794
  ZOOKEEPER-1117. zookeeper 3.3.3 fails to build with gcc >= 4.6.1 on
  Debian/Ubuntu (James Page via mahadev)

795
796
  ZOOKEEPER-1140. server shutdown is not stopping threads. (laxman via mahadev)

797
798
799
  ZOOKEEPER-1051. SIGPIPE in Zookeeper 0.3.* when send'ing after 
  cluster disconnection (Stephen Tyree via mahadev)

800
801
  ZOOKEEPER-1168. ZooKeeper fails to run with IKVM (Andrew Finnell via phunt)

802
  ZOOKEEPER-1165. better eclipse support in tests (Warren Turkal via phunt)
803
804
805
806
  
  ZOOKEEPER-1154. Data inconsistency when the node(s) with the highest zxid is not present at the time of leader election. (Vishal Kathuria via camille)
  
  ZOOKEEPER-1156. Log truncation truncating log too much - can cause data loss. (Vishal Kathuria via camille)
807

808
809
  ZOOKEEPER-1160. test timeouts are too small (breed via phunt)

810
  ZOOKEEPER-731. Zookeeper#delete , #create - async versions miss a verb in the javadoc. (Thomas Koch via camille)
811
812

  ZOOKEEPER-1108. Various bugs in zoo_add_auth in C. (Dheeraj Agrawal via mahadev)
813
814
815
816
 
  ZOOKEEPER-981. Hang in zookeeper_close() in the multi-threaded C client. 
  (Jeremy Stribling via mahadev) 

817
818
  ZOOKEEPER-1125. Intermittent java core test failures. (Vishar Kher via mahadev)

819
820
821
  ZOOKEEPER-961. Watch recovery after disconnection when connection string contains a prefix.
  (Matthias Spycher via mahadev)

822
823
824
  ZOOKEEPER-1136. NEW_LEADER should be queued not sent to match the Zab 1.0 protocol 
  on the twiki (breed via mahadev)

825
826
827
  ZOOKEEPER-1189. For an invalid snapshot file(less than 10bytes size) RandomAccessFile 
  stream is leaking. (Rakesh R via mahadev)

828
829
  ZOOKEEPER-1185. Send AuthFailed event to client if SASL authentication fails.
  (Eugene Kuntz via mahadev)
830
831
  
  ZOOKEEPER-1174. FD leak when network unreachable (Ted Dunning via camille)
832

833
834
835
  ZOOKEEPER-1203. Zookeeper systest is missing Junit Classes
  (Prashant Gokhale via phunt)

836
837
838
  ZOOKEEPER-1206. Sequential node creation does not use always use
  digits in node name given certain Locales. (Mark Miller via phunt)

839
840
841
  ZOOKEEPER-1212. zkServer.sh stop action is not conformat with LSB
  para 20.2 Init Script Actions (Roman Shaposhnik via phunt)

842
843
844
  ZOOKEEPER-1190. ant package is not including many of the bin scripts
  in the package (zkServer.sh for example) (Eric Yang via phunt)

845
846
  ZOOKEEPER-1181. Fix problems with Kerberos TGT renewal.
  (Eugene Koontz via mahadev)
847
848
  
  ZOOKEEPER-1264. FollowerResyncConcurrencyTest failing intermittently. (phunt via camille)
849

850
851
  ZOOKEEPER-1268. problems with read only mode, intermittent test failures 
  and ERRORs in the log. (phunt via mahadev)
852
853
  
  ZOOKEEPER-1246. Dead code in PrepRequestProcessor catch Exception block. (camille)
854

855
856
857
  ZOOKEEPER-1271. testEarlyLeaderAbandonment failing on solaris -
  clients not retrying connection (mahadev via phunt)

858
859
860
  ZOOKEEPER-1192. Leader.waitForEpochAck() checks waitingForNewEpoch instead 
  of checking electionFinished (Alexander Shraer via mahadev)

861
862
  ZOOKEEPER-1270. testEarlyLeaderAbandonment failing intermittently, 
  quorum formed, no serving. (Flavio, Camille and Alexander Shraer via mahadev)
863
864
865
866
867
868
869
870
871
  
  ZOOKEEPER-1264. FollowerResyncConcurrencyTest failing 
  intermittently. (breed, camille and Alex Shraer via camille)
  
  ZOOKEEPER-1282. Learner.java not following Zab 1.0 protocol - 
  setCurrentEpoch should be done upon receipt of NEWLEADER 
  (before acking it) and not upon receipt of UPTODATE (breed via camille)
  
  ZOOKEEPER-1291. AcceptedEpoch not updated at leader before it proposes the epoch to followers. (Alex Shraer via camille)
872

873
874
  ZOOKEEPER-1208. Ephemeral node not removed after the client session is long gone. (phunt via camille)
  
875
876
  ZOOKEEPER-1239. add logging/stats to identify fsync stalls. (phunt via camille)
  
877
878
  ZOOKEEPER-1299. Add winconfig.h file to ignore in release audit. (mahadev)

879
IMPROVEMENTS:
880
881
  ZOOKEEPER-724. Improve junit test integration - log harness information 
  (phunt via mahadev)
882

883
884
885
  ZOOKEEPER-766. forrest recipes docs don't mention the lock/queue recipe
  implementations available in the release (phunt via mahadev)

886
887
888
889
890
  ZOOKEEPER-769: Leader can treat observers as quorum members
  (Sergey Doroshenko via henryr)

  ZOOKEEPER-788: Add server id to message logs
  (Ivan Kelly via flavio)
891

892
893
  ZOOKEEPER-789. Improve FLE log messages (flavio via phunt)

894
895
  ZOOKEEPER-798. Fixup loggraph for FLE changes (Ivan Kelly via phunt)

896
897
898
  ZOOKEEPER-797 c client source with AI_ADDRCONFIG cannot be compiled with
  early glibc (Qian Ye via phunt)

899
900
  ZOOKEEPER-790. Last processed zxid set prematurely while establishing leadership
  (fpj via breed)
901

902
903
904
  ZOOKEEPER-821. Add ZooKeeper version information to zkpython (Rich
  Schumacher via mahadev)

905
906
  ZOOKEEPER-765.  Add python example script (Travis and Andrei via mahadev)

907
908
  ZOOKEEPER-809. Improved REST Interface (Andrei Savu via phunt)

909
910
  ZOOKEEPER-733. use netty to handle client connections (breed and phunt)

911
912
913
  ZOOKEEPER-853. Make zookeeper.is_unrecoverable return True or False
  in zkpython (Andrei Savu via henryr)

914
915
  ZOOKEEPER-864. Hedwig C++ client improvements (Ivan Kelly via breed)

916
917
  ZOOKEEPER-862. Hedwig created ledgers with hardcoded Bookkeeper ensemble and
  quorum size. Make these a server config parameter instead. (Erwin T via breed)
918

919
920
921
922
923
  ZOOKEEPER-926. Fork Hadoop common's test-patch.sh and modify for Zookeeper.
  (nigel)

  ZOOKEEPER-909. Extract NIO specific code from ClientCnxn
  (Thomas Koch via phunt)
924

925
926
927
  ZOOKEEPER-908. Remove code duplication and inconsistent naming in
  ClientCnxn.Packet creation (Thomas Koch via phunt)

928
929
  ZOOKEEPER-836. hostlist as string. (Thomas Koch via breed)

930
931
932
  ZOOKEEPER-921. zkPython incorrectly checks for existence of required
  ACL elements (Nicholas Knight via henryr)

933
934
  ZOOKEEPER-963. Make Forrest work with	JDK6 (Carl Steinbach via henryr)

935
936
  ZOOKEEPER-500. Async methods shouldnt throw exceptions (fpj via breed)

937
938
  ZOOKEEPER-977. passing null for path_buffer in zoo_create (breed via mahadev)

939
940
  ZOOKEEPER-465. Ledger size in bytes. (flavio via mahadev)

941
942
943
944
945
  ZOOKEEPER-980. allow configuration parameters for log4j.properties
  (phunt via mahadev)

  ZOOKEEPER-1042. Generate zookeeper test jar for maven installation
  (ivan kelly via breed)
946

947
948
  ZOOKEEPER-1030: Increase default for maxClientCnxns
  (Todd Lipcon via breed/mahadev/phunt)
949

950
951
  ZOOKEEPER-850: Switch from log4j to slf4j (Olaf Krische via michim)

952
953
  ZOOKEEPER-874. FileTxnSnapLog.restore does not call listener (diogo via fpj)

954
955
  ZOOKEEPER-1052. Findbugs warning in QuorumPeer.ResponderThread.run()  (fpj via michim)

956
957
  ZOOKEEPER-1094. Small improvements to LeaderElection and Vote classes (henryr via breed)

958
959
960
  ZOOKEEPER-1074. zkServer.sh is missing nohup/sleep, which are necessary 
  for remote invocation. (phunt via mahadev)

961
962
  ZOOKEEPER-965. Need a multi-update command to allow multiple znodes to be updated safely (Marshall McMullen and Ted Dunning via breed)

963
964
  ZOOKEEPER-1073. address a documentation issue in ZOOKEEPER-1030. (phunt via mahadev)

965
966
967
  ZOOKEEPER-1095. Simple leader election recipe
  (Eric Sammer via henry and phunt)

968
969
  ZOOKEEPER-1076. some quorum tests are unnecessarily extending QuorumBase (phunt via mahadev)

970
971
  ZOOKEEPER-1143. quorum send & recv workers are missing thread names
  (phunt via mahadev)
972
973
974
975
  
  ZOOKEEPER-1104. CLONE - In QuorumTest, use the same "for ( .. try { break }
  catch { } )" pattern in testFollowersStartAfterLeaders as in testSessionMove. 
  (Eugene Koontz via mahadev)
976
977
978
 
  ZOOKEEPER-1034. perl bindings should automatically find the zookeeper
  c-client headers (nicholas harteau via mahadev)
979

980
981
982
983
  ZOOKEEPER-1166. Please add a few svn:ignore properties (via phunt)

  ZOOKEEPER-1169. Fix compiler (eclipse) warnings in (generated) jute
  code (Thomas Koch via phunt)
984
985

  ZOOKEEPER-1171. fix build for java 7 (phunt via mahadev)
986
987
988

  ZOOKEEPER-1201. Clean SaslServerCallbackHandler.java. (Thomas Koch
  via mahadev) 
989
990
  
  ZOOKEEPER-1321. Add number of client connections metric in JMX and srvr. (Neha Narkhede via camille)
991

992
NEW FEATURES:
993
994
  ZOOKEEPER-729. Java client API to recursively delete a subtree.
  (Kay Kay via henry)
995

996
997
  ZOOKEEPER-747. Add C# generation to Jute (Eric Hauser via phunt)

998
999
1000
  ZOOKEEPER-464. Need procedure to garbage collect ledgers
  (erwin via fpj)