ZooKeeper 3.3.0 Release Notes

- ZooKeeper 3.3.0 Release Notes + ZooKeeper 3.3.1 Release Notes @@ -47,10 +47,10 @@ from version 2 of ZooKeeper (SourceForge later.

-Changes Since ZooKeeper 3.2 +Changes Since ZooKeeper 3.3.0 -Changes Since ZooKeeper 3.2 +Changes Since ZooKeeper 3.3.0 @@ -62,267 +62,39 @@ later. - Sub-task - - -ZOOKEEPER-397 mainline tests conversion - - - - Bug -ZOOKEEPER-3 syncLimit has slightly different comments in the class header, and > inline with the variable. - -ZOOKEEPER-59 Synchronized block in NIOServerCnxn - -ZOOKEEPER-86 intermittent test failure of org.apache.zookeeper.test.AsyncTest - -ZOOKEEPER-121 SyncRequestProcessor is not closing log stream during shutdown - -ZOOKEEPER-287 high cpu utilization caused by nioserver factory thread - -ZOOKEEPER-413 two flaws need addressing in the c tests that can cause false positive failures - -ZOOKEEPER-420 build/test should not require install in zkpython - -ZOOKEEPER-457 Make ZookeeperMain public, support for HBase (and other) embedded clients - -ZOOKEEPER-460 bad testRetry in cppunit tests (hudson failure) - -ZOOKEEPER-466 crash on zookeeper_close() when using auth with empty cert - -ZOOKEEPER-467 Change log level in BookieHandle - -ZOOKEEPER-468 avoid compile warning in send_auth_info() - -ZOOKEEPER-469 make sure CPPUNIT_CFLAGS isn't overwritten - -ZOOKEEPER-470 include unistd.h for sleep() in c tests - -ZOOKEEPER-475 FLENewEpochTest failed on nightly builds. - -ZOOKEEPER-477 zkCleanup.sh is flaky - -ZOOKEEPER-479 QuorumHierarchical does not count groups correctly - -ZOOKEEPER-480 FLE should perform leader check when node is not leading and add vote of follower - -ZOOKEEPER-481 Add lastMessageSent to QuorumCnxManager - -ZOOKEEPER-482 ignore sigpipe in testRetry to avoid silent immediate failure - -ZOOKEEPER-483 ZK fataled on me, and ugly - -ZOOKEEPER-484 Clients get SESSION MOVED exception when switching from follower to a leader. - -ZOOKEEPER-485 need ops documentation that details supervision of ZK server processes - -ZOOKEEPER-487 setdata on root (/) crashes the servers. - -ZOOKEEPER-489 findbugs on hudson.zones.a.o has jumped way up (2k+) - -ZOOKEEPER-490 the java docs for session creation are misleading/incomplete - -ZOOKEEPER-491 Prevent zero-weight servers from being elected - -ZOOKEEPER-493 patch for command line setquota - -ZOOKEEPER-495 c client logs an invalid error when zookeeper_init is called with chroot - -ZOOKEEPER-498 Unending Leader Elections : WAN configuration - -ZOOKEEPER-499 electionAlg should default to FLE (3) - regression - -ZOOKEEPER-501 CnxManagerTest failed on hudson - -ZOOKEEPER-502 bookkeeper create calls completion too many times - -ZOOKEEPER-503 race condition in asynchronous create - -ZOOKEEPER-504 ClassCastException in LedgerManagementProcessor - -ZOOKEEPER-505 testAsyncCreateClose is badly broken - -ZOOKEEPER-508 proposals and commits for DIFF and Truncate messages from the leader to followers is buggy. - -ZOOKEEPER-509 Truncating of logs does not work right at the followers. - -ZOOKEEPER-510 zkpython lumps all exceptions as IOError, needs specialized exceptions for KeeperException types - -ZOOKEEPER-511 bad error handling in FollowerHandler.sendPackets - -ZOOKEEPER-512 FLE election fails to elect leader - -ZOOKEEPER-514 test failure on trunk in testCnxManager - NPE - -ZOOKEEPER-519 Followerhandler should close the socket if it gets an exception on a write. - -ZOOKEEPER-524 DBSizeTest is not really testing anything - -ZOOKEEPER-527 hudson trunk failure in quota test - -ZOOKEEPER-528 c client exists() call with watch on large number of nodes (>100k) causes connection loss - -ZOOKEEPER-530 Memory corruption: Zookeeper c client IPv6 implementation does not honor struct sockaddr_in6 size - -ZOOKEEPER-531 Hudson trunk failure in heirarchical quorum test (interrupt problem) - -ZOOKEEPER-532 java compiler should be target Java 1.5 - -ZOOKEEPER-533 ant error running clean twice - -ZOOKEEPER-534 The test target in contib/bookkeeper does not depend on jar target. - -ZOOKEEPER-535 ivy task does not enjoy being defined twice (build error) - -ZOOKEEPER-537 The zookeeper jar includes the java source files - -ZOOKEEPER-538 zookeeper.async causes python to segfault - -ZOOKEEPER-540 zkpython needs better tracking of handle validity - -ZOOKEEPER-541 zkpython limited to 256 handles - -ZOOKEEPER-542 c-client can spin when server unresponsive - -ZOOKEEPER-547 Sanity check in QuorumCnxn Manager and quorum communication port. - -ZOOKEEPER-548 zookeeper.ZooKeeperException not added to the module in zkpython - -ZOOKEEPER-551 unnecessary SetWatches message on new session - -ZOOKEEPER-554 zkpython can segfault when statting a deleted node - -ZOOKEEPER-557 Upload Zookeeper jars to a public maven repository - -ZOOKEEPER-558 server "sent" stats not being updated - -ZOOKEEPER-562 c client can flood server with pings if tcp send queue filled - -ZOOKEEPER-563 ant test for recipes is broken. - -ZOOKEEPER-566 "reqs" four letter word (command port) returns no information - -ZOOKEEPER-567 javadoc for getchildren2 needs to mention "new in 3.3.0" - -ZOOKEEPER-568 SyncRequestProcessor snapping too frequently - counts non-log events as log events - -ZOOKEEPER-569 Failure of elected leader can lead to never-ending leader election - -ZOOKEEPER-570 AsyncHammerTest is broken, callbacks need to validate rc parameter - -ZOOKEEPER-573 the dump 4letterword is not formatting sessionids in hex - -ZOOKEEPER-574 the documentation on snapcount in the admin guide has the wrong default - -ZOOKEEPER-576 docs need to be updated for session moved exception and how to handle it - -ZOOKEEPER-582 ZooKeeper can revert to old data when a snapshot is created outside of normal processing - -ZOOKEEPER-586 c client does not compile under cygwin - -ZOOKEEPER-587 client should log timeout negotiated with server - -ZOOKEEPER-588 remove unnecessary/annoying log of tostring error in Request.toString() - -ZOOKEEPER-589 When create a znode, a NULL ACL parameter cannot be accepted - -ZOOKEEPER-591 The C Client cannot exit properly in some situation - -ZOOKEEPER-593 java client api does not allow client to access negotiated session timeout - -ZOOKEEPER-596 The last logged zxid calculated by zookeeper servers could cause problems in leader election if data gets corrupted. - -ZOOKEEPER-597 ASyncHammerTest is failing intermittently on hudson trunk - -ZOOKEEPER-600 TODO pondering about allocation behavior in zkpython may be removed - -ZOOKEEPER-604 zk needs to prevent export of any symbol not listed in their api - -ZOOKEEPER-606 bin scripts don't work in cygwin (spaces in paths) - -ZOOKEEPER-609 ObserverTest failure "zk should not be connected expected not same" +ZOOKEEPER-720 Use zookeeper-{version}-sources.jar instead of zookeeper-{version}-src.jar to publish sources in the Maven repository -ZOOKEEPER-610 cleanup final fields, esp those used for locking +ZOOKEEPER-722 zkServer.sh uses sh's builtin echo on BSD, behaves incorrectly. -ZOOKEEPER-611 hudson build failiure +ZOOKEEPER-734 QuorumPeerTestBase.java and ZooKeeperServerMainTest.java do not handle windows path correctly -ZOOKEEPER-614 Improper synchronisation in getClientCnxnCount +ZOOKEEPER-735 cppunit test testipv6 assumes that the machine is ipv6 enabled. -ZOOKEEPER-615 wrong javadoc for create with a sequence flag +ZOOKEEPER-737 some 4 letter words may fail with netcat (nc) -ZOOKEEPER-617 improve cluster setup documentation in forrest +ZOOKEEPER-738 zookeeper.jute.h fails to compile with -pedantic -ZOOKEEPER-619 hudson test failure in QuorumTest -- timeout error +ZOOKEEPER-741 root level create on REST proxy fails -ZOOKEEPER-620 hudson is not reporting compiler warning correctly +ZOOKEEPER-742 Deallocatng None on writes -ZOOKEEPER-621 hudson failure ZooKeeper-trunk/621 - clover issue +ZOOKEEPER-746 learner outputs session id to log in dec (should be hex) -ZOOKEEPER-622 Test for pending watches in send_set_watches should be moved +ZOOKEEPER-749 OSGi metadata not included in binary only jar -ZOOKEEPER-623 ClientBase in bookkeeper.util requires junit +ZOOKEEPER-750 move maven artifacts into "dist-maven" subdir of the release (package target) -ZOOKEEPER-624 The C Client cause core dump when receive error data from Zookeeper Server +ZOOKEEPER-758 zkpython segfaults on invalid acl with missing key -ZOOKEEPER-626 ensure the c/java cli's print xid/sessionid/etc... in hex +ZOOKEEPER-763 Deadlock on close w/ zkpython / c client -ZOOKEEPER-627 zkpython arbitrarily restricts the size of a 'get' to 512 bytes +ZOOKEEPER-764 Observer elected leader due to inconsistent voting view -ZOOKEEPER-629 FLELostMessageTest assumes that the first zxid on a startup of quorum is -1. - -ZOOKEEPER-630 Trunk has duplicate ObserverTest.java files - -ZOOKEEPER-644 Nightly build failed on hudson. - -ZOOKEEPER-647 hudson failure in testLeaderShutdown - -ZOOKEEPER-656 SledgeHammer test - thread.run() deprecated - -ZOOKEEPER-663 hudson failure in ZKDatabaseCorruptionTest - -ZOOKEEPER-667 java client doesn't allow ipv6 numeric connect string - -ZOOKEEPER-668 Close method in LedgerInputStream doesn't do anything - -ZOOKEEPER-669 watchedevent tostring should clearly output the state/type/path - -ZOOKEEPER-673 Fix observer documentation regarding leader election - -ZOOKEEPER-677 c client doesn't allow ipv6 numeric connect string - -ZOOKEEPER-681 Minor doc issue re unset maxClientCnxns - -ZOOKEEPER-682 Event is not processed when the watcher is set to watch "/" if chrooted - -ZOOKEEPER-683 LogFormatter fails to parse transactional log files - -ZOOKEEPER-684 Race in LENonTerminateTest - -ZOOKEEPER-687 LENonterminatetest fails on some machines. - -ZOOKEEPER-688 explain session expiration better in the docs & faq - -ZOOKEEPER-689 release build broken - ivysettings.xml not copied during "package" - -ZOOKEEPER-691 Interface changed for NIOServer.Factory - -ZOOKEEPER-693 TestObserver stuck in tight notification loop in FLE - -ZOOKEEPER-696 NPE in the hudson logs, seems nioservercnxn closed twice - -ZOOKEEPER-698 intermittent JMX test failures due to not verifying QuorumPeer shutdown - -ZOOKEEPER-708 zkpython failing due to undefined symbol deallocate_String_vector - -ZOOKEEPER-709 bookkeeper build failing with missing factory - -ZOOKEEPER-710 permanent ZSESSIONMOVED error after client app reconnects to zookeeper cluster - -ZOOKEEPER-718 the fatjar is missing libraries +ZOOKEEPER-766 forrest recipes docs don't mention the lock/queue recipe implementations available in the release @@ -330,145 +102,18 @@ later. -ZOOKEEPER-62 Generally improve logging to enable debuggability in the field. - -ZOOKEEPER-152 Improve unit tests for leader election - -ZOOKEEPER-158 Leader and followers increase cpu utilization upon loss of a follower - -ZOOKEEPER-283 Add more javadocs to BookKeeper - -ZOOKEEPER-311 handle small path lengths in zoo_create() - -ZOOKEEPER-425 Add OSGi metadata to zookeeper.jar - -ZOOKEEPER-426 Windows versions of zookeeper scripts - -ZOOKEEPER-436 Bookies should auto register to ZooKeeper - -ZOOKEEPER-447 zkServer.sh doesn't allow different config files to be specified on the command line - -ZOOKEEPER-456 CREATOR_ALL_ACL has unnecessary PERMS.ADMIN in the declartion. - -ZOOKEEPER-461 Condense ledger configuration in ZooKeeper - -ZOOKEEPER-471 update zkperl for 3.2.x branch - -ZOOKEEPER-472 Making DataNode not instantiate a HashMap when the node is ephmeral - -ZOOKEEPER-473 cleanup junit tests to eliminate false positives due to "socket reuse" and failure to close client - -ZOOKEEPER-476 upgrade junit library from 4.4 to 4.6 - -ZOOKEEPER-486 Improve bookie performance for large number of ledgers - -ZOOKEEPER-488 to fix src/c/tests/zkServer.sh script to add clover in classpath - -ZOOKEEPER-506 QuorumBase should use default leader election - -ZOOKEEPER-507 BookKeeper client re-write - -ZOOKEEPER-529 Use Ivy to pull dependencies and also generate pom - -ZOOKEEPER-543 Tests for ZooKeeper examples +ZOOKEEPER-631 zkpython's C code could do with a style clean-up -ZOOKEEPER-544 improve client testability - allow test client to access connected server location - -ZOOKEEPER-549 Refactor Followers and related classes into a Peer->Follower hierarchy in preparation for Observers - -ZOOKEEPER-555 Add stat information to GetChildrenResponse - -ZOOKEEPER-560 inefficient request handling in NIOServerCnxn - -ZOOKEEPER-561 inefficient buffer management, inefficient gc, in NIOServer request handling - -ZOOKEEPER-564 Give more feedback on that current flow of events in java client logs - -ZOOKEEPER-565 Revisit some java client log messages - -ZOOKEEPER-572 add ability for operator to examine state of watches currently registered with a server - -ZOOKEEPER-579 zkpython needs more test coverage for ACL code paths - -ZOOKEEPER-595 A means of asking quorum what conifguration it is running with - -ZOOKEEPER-599 Changes to FLE and QuorumCnxManager to support Observers - -ZOOKEEPER-601 allow configuration of session timeout min/max bounds - -ZOOKEEPER-607 improve bookkeeper overview - -ZOOKEEPER-608 Receipt of ACK from observer should not be logged as ERROR - -ZOOKEEPER-612 Make Zookeeper C client can be compiled by gcc of early version - -ZOOKEEPER-632 add some documentation or FAQ on how to do rolling upgrade - -ZOOKEEPER-633 Fetch netty using ivy for bookkeeper - -ZOOKEEPER-638 upgrade ivy to 2.1.0 final from 2.1.0 release candidate - -ZOOKEEPER-640 make build.xml more configurable to ease packaging for linux distros - -ZOOKEEPER-648 Fix releaseaudit warning count to zero - -ZOOKEEPER-651 Log exception trace in QuorumCnxManager.SendWorker - -ZOOKEEPER-655 StringBuffer -> StringBuilder - conversion of references as necessary - -ZOOKEEPER-658 update forrest docs - AuthFLE no longer supported - -ZOOKEEPER-664 BookKeeper API documentation - -ZOOKEEPER-665 Add BookKeeper streaming documentation - -ZOOKEEPER-672 typo nits across documentation - -ZOOKEEPER-692 upgrade junit to latest version (4.8.1) - -ZOOKEEPER-717 add a preferred list to the instancemanager - - - - New Feature - - -ZOOKEEPER-368 Observers: core functionality - -ZOOKEEPER-496 zookeeper-tree utility for export, import and incremental updates - -ZOOKEEPER-539 generate eclipse project via ant target - -ZOOKEEPER-550 Java Queue Recipe - -ZOOKEEPER-635 Server supports listening on a specified network address - -ZOOKEEPER-678 Browser application to view and edit the contents of a zookeeper instance - - Task -ZOOKEEPER-224 Deploy ZooKeeper jars/artifacts to a Maven Repository - -ZOOKEEPER-516 add support for 10 minute test ie "pre-commit" test - -ZOOKEEPER-521 include autotools (autoconf/automake) in NOTICE file +ZOOKEEPER-754 numerous misspellings "succesfully" - - - Test - - -ZOOKEEPER-394 Converting JUnit tests into TestNG controlled environment - -ZOOKEEPER-518 DEBUG message for outstanding proposals in leader should be moved to trace. -