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CHANGES.txt
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Release 3.4.4 - 2012-09-17
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-1466. QuorumCnxManager.shutdown missing synchronization.
(Patrick Hunt via mahadev)
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)
ZOOKEEPER-1354. AuthTest.testBadAuthThenSendOtherCommands fails
intermittently (phunt via camille)
ZOOKEEPER-1277. servers stop serving when lower 32bits of zxid roll
over (phunt)
ZOOKEEPER-1412. java client watches inconsistently triggered on
reconnect (phunt)
ZOOKEEPER-1344. ZooKeeper client multi-update command is not
considering the Chroot request (Rakesh R via phunt)
ZOOKEEPER-1307. zkCli.sh is exiting when an Invalid ACL exception is
thrown from setACL command through client (Kavita Sharma via phunt)
ZOOKEEPER-1390. some expensive debug code not protected by a check
for debug (breed via camille)
ZOOKEEPER-1406. dpkg init scripts don't restart - missing
check_priv_sep_dir (Chris Beauchamp via phunt)
ZOOKEEPER-1403. zkCli.sh script quoting issue (James Page via phunt)
ZOOKEEPER-1384. test-cppunit overrides LD_LIBRARY_PATH and fails if
gcc is in non-standard location (Jay Shrauner via phunt)
ZOOKEEPER-1419. Leader election never settles for a 5-node cluster
(flavio via camille)
ZOOKEEPER-1256. ClientPortBindTest is failing on Mac OS X
(Daniel Gómez Ferro via phunt)
ZOOKEEPER-1433. improve ZxidRolloverTest (test seems flakey) (phunt via henryr)
ZOOKEEPER-1395. node-watcher double-free redux (Mike Lundy via henryr)
ZOOKEEPER-1450. Backport of ZOOKEEPER-1294 fix to 3.4 and 3.3 (Norman Bishop via camille)
ZOOKEEPER-1048. addauth command does not work in cli_mt/cli_st (allengao via michim)
ZOOKEEPER-1339. C client doesn't build with --enable-debug (Eric Liang via michim)
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)
ZOOKEEPER-1431. zkpython async calls leak memory (Kapil Thangavelu and Andre Cruz via henryr)
ZOOKEEPER-1163. Memory leak in zk_hashtable.c:do_insert_watcher_object()
(Anupam Chanda via michim)
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)
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)
ZOOKEEPER-1236. Security uses proprietary Sun APIs
(Adalberto Medeiros via phunt)
ZOOKEEPER-1471. Jute generates invalid C++ code
(Michi Mutsuzaki via phunt)
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)
ZOOKEEPER-1427. Writing to local files is done non-atomically (phunt)
ZOOKEEPER-1489. Data loss after truncate on transaction log (phunt)
ZOOKEEPER-1521. LearnerHandler initLimit/syncLimit problems
specifying follower socket timeout limits (phunt)
ZOOKEEPER-1493. C Client: zookeeper_process doesn't invoke
completion callback if zookeeper_close has been called
(Michi Mutsuzaki via phunt and mahadev)
ZOOKEEPER-1522. intermittent failures in Zab test due to NPE in
recursiveDelete test function (phunt via flavio)
ZOOKEEPER-1514. FastLeaderElection - leader ignores the round
information when joining a quorum (flavio via henryr)
ZOOKEEPER-1536 c client : memory leak in winport.c (brooklin via michim)
ZOOKEEPER-1481 allow the C cli to run exists with a watcher (phunt via michim)
ZOOKEEPER-1380. zkperl: _zk_release_watch doesn't remove items properly from
the watch list. (Botond Hejj via mahadev)
ZOOKEEPER-1501. Nagios plugin always returns OK when it cannot connect to
zookeeper. (Brian Sutherland via mahadev)
ZOOKEEPER-1494. C client: socket leak after receive timeout in
zookeeper_interest() (Michi Mutsuzaki via mahadev)
ZOOKEEPER-1483. Fix leader election recipe documentation. (Michi Mutsuzaki
via mahadev)
ZOOKEEPER-1496. Ephemeral node not getting cleared even after client has
exited (Rakesh R via mahadev)
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)
ZOOKEEPER-1377. add support for dumping a snapshot file content (similar to LogFormatter). (phunt via camille)
ZOOKEEPER-1454. Document how to run autoreconf if cppunit is
installed in a non-standard directory (Michi Mutsuzaki via phunt)
ZOOKEEPER-1503. remove redundant JAAS configuration code in SaslAuthTest and
SaslAuthFailTest (Eugene Koontz via phunt)
ZOOKEEPER-1510. Should not log SASL errors for non-secure usage
(Todd Lipcon via phunt)
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)
ZOOKEEPER-1437. Client uses session before SASL authentication complete.
(Eugene Koontz via mahadev)
ZOOKEEPER-1361. Leader.lead iterates over 'learners' set without proper
synchronisation. (Henry Robinson via mahadev)
Release 3.4.3 - 2012-02-06
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-1089. zkServer.sh status does not work due to invalid
option of nc (Roman Shaposhnik via phunt)
ZOOKEEPER-1345. Add a .gitignore file with general exclusions and
Eclipse project files excluded (Harsh J via phunt)
ZOOKEEPER-1343. getEpochToPropose should check if lastAcceptedEpoch is greater or equal than epoch (fpj via breed)
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)
ZOOKEEPER-1351. invalid test verification in MultiTransactionTest (phunt via camille)
ZOOKEEPER-973. bind() could fail on Leader because it does not
setReuseAddress on its ServerSocket (Harsh J via phunt)
ZOOKEEPER-1367. Data inconsistencies and unexpired ephemeral nodes after cluster restart.
(Bejamin Reed via mahadev)
ZOOKEEPER-1353. C client test suite fails consistently.
(Clint Byrum via mahadev)
ZOOKEEPER-1373. Hardcoded SASL login context name clashes with Hadoop security
configuration override. (Eugene Koontz and Thomas Weise via mahadev)
ZOOKEEPER-1352. server.InvalidSnapshotTest is using connection timeouts that
are too short. (phunt via mahadev)
ZOOKEEPER-1336. javadoc for multi is confusing, references functionality that doesn't
seem to exist (phunt via mahadev)
ZOOKEEPER-1340. multi problem - typical user operations are
generating ERROR level messages in the server (phunt via mahadev)
ZOOKEEPER-1374. C client multi-threaded test suite fails to
compile on ARM architectures. (James Page via mahadev)
ZOOKEEPER-1337. multi's "Transaction" class is missing tests.
(phunt and camille via mahadev)
ZOOKEEPER-1338. class cast exceptions may be thrown by multi
ErrorResult class (invalid equals) (phunt via mahadev)
IMPROVEMENTS:
ZOOKEEPER-1322. Cleanup/fix logging in Quorum code. (phunt via mahadev)
ZOOKEEPER-1327. there are still remnants of hadoop urls.
(Harsh J via mahadev)
Release 3.4.2 - 2011-12-21
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-1323. c client doesn't compile on freebsd
(michi mutsuzaki via phunt)
ZOOKEEPER-1333. NPE in FileTxnSnapLog when restarting a cluster.
(Patrick Hunt and Andrew Mc Nair via mahadev)
Release 3.4.1 - 2011-12-12
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-1311. ZooKeeper test jar is broken (Ivan Kelly via phunt)
ZOOKEEPER-1305. zookeeper.c:prepend_string func can dereference null ptr.
(Daniel Lescohier via mahadev)
ZOOKEEPER-1316. zookeeper_init leaks memory if chroot is just '/'.
(Akira Kitada via mahadev)
ZOOKEEPER-1315. zookeeper_init always reports sessionPasswd=<hidden>.
(Akira Kitada via mahadev)
ZOOKEEPER-1317. Possible segfault in zookeeper_init.
(Akira Kitada via mahadev)
ZOOKEEPER-1319. Missing data after restarting+expanding a cluster.
(Patrick Hunt and Ben Reed via mahadev)
ZOOKEEPER-1269. Multi deserialization issues (Camille Fournier via
mahadev)
Release 3.4.0 - 2011-10-25
Non-backward compatible changes:
BUGFIXES:
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-735. cppunit test testipv6 assumes that the machine is ipv6
enabled. (mahadev)
ZOOKEEPER-720. Use zookeeper-{version}-sources.jar instead of
zookeeper-{version}-src.jar to publish sources in the Maven repository
(paolo via phunt)
ZOOKEEPER-722. zkServer.sh uses sh's builtin echo on BSD, behaves
incorrectly. (Ivan Kelly via phunt)
ZOOKEEPER-741. root level create on REST proxy fails (phunt)
ZOOKEEPER-631. zkpython's C code could do with a style clean-up
(henry robinson via phunt)
ZOOKEEPER-746. learner outputs session id to log in dec (phunt via
henryr)
ZOOKEEPER-738. zookeeper.jute.h fails to compile with -pedantic
(Jozef Hatala via phunt)
ZOOKEEPER-734. QuorumPeerTestBase.java and ZooKeeperServerMainTest.java
do not handle windows path correctly (Vishal K via phunt)
ZOOKEEPER-754. numerous misspellings "succesfully"
(Andrei Savu via phunt)
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)
ZOOKEEPER-758. zkpython segfaults on invalid acl with missing key
(Kapil Thangavelu via henryr)
ZOOKEEPER-737. some 4 letter words may fail with netcat (nc). (mahadev)
ZOOKEEPER-764. Observer elected leader due to inconsistent voting view
(henry via mahadev)
ZOOKEEPER-763. Deadlock on close w/ zkpython / c client
(henry via phunt)
ZOOKEEPER-774. Recipes tests are slightly outdated: they do not compile
against JUnit 4.8 (Sergey Doroshenko via phunt)
ZOOKEEPER-772. zkpython segfaults when watcher from async get children is
invoked. (henry via phunt)
ZOOKEEPER-636. configure.ac has instructions which override the contents of
CFLAGS and CXXFLAGS. (Maxim P. Dementiev via phunt)
ZOOKEEPER-796. zkServer.sh should support an external PIDFILE variable
(Alex Newman via phunt)
ZOOKEEPER-719. Add throttling to BookKeeper client (fpj via breed)
ZOOKEEPER-814. monitoring scripts are missing apache license headers
(andrei savu via mahadev)
ZOOKEEPER-783. committedLog in ZKDatabase is not properly synchronized
(henry via mahadev)
ZOOKEEPER-790. Last processed zxid set prematurely while establishing
leadership (flavio via mahadev)
ZOOKEEPER-795. eventThread isn't shutdown after a connection
"session expired" event coming (Sergey Doroshenko and Ben via mahadev)
ZOOKEEPER-792. zkpython memory leak (Lei Zhang via henryr)
ZOOKEEPER-854. BookKeeper does not compile due to changes in the ZooKeeper
code (Flavio via mahadev)
ZOOKEEPER-861. Missing the test SSL certificate used for running junit tests.
(erwin tam via mahadev)
ZOOKEEPER-867. ClientTest is failing on hudson - fd cleanup (phunt)
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)
ZOOKEEPER-870. Zookeeper trunk build broken. (mahadev via phunt)
ZOOKEEPER-831. BookKeeper: Throttling improved for reads (breed via fpj)
ZOOKEEPER-846. zookeeper client doesn't shut down cleanly on the close call
(phunt)
ZOOKEEPER-804. c unit tests failing due to "assertion cptr failed" (michi
mutsuzaki via mahadev)
ZOOKEEPER-844. handle auth failure in java client
(Camille Fournier via phunt)
ZOOKEEPER-822. Leader election taking a long time to complete
(Vishal K via phunt)
ZOOKEEPER-866. Hedwig Server stays in "disconnected" state when
connection to ZK dies but gets reconnected (erwin tam via breed)
ZOOKEEPER-881. ZooKeeperServer.loadData loads database twice
(jared cantwell via breed)
ZOOKEEPER-855. clientPortBindAddress should be clientPortAddress
(Jared Cantwell via fpj)
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)
ZOOKEEPER-804. c unit tests failing due to "assertion cptr failed"
(second try - Jared Cantwell via phunt)
ZOOKEEPER-820. update c unit tests to ensure "zombie" java server
processes don't cause failure (Michi Mutsuzaki via phunt)
ZOOKEEPER-794. Callbacks are not invoked when the client is closed
(Alexis Midon via phunt)
ZOOKEEPER-800. zoo_add_auth returns ZOK if zookeeper handle is in
ZOO_CLOSED_STATE (michi mutsuzaki via mahadev konar)
ZOOKEEPER-904. super digest is not actually acting as a full superuser
(Camille Fournier via mahadev)
ZOOKEEPER-897. C Client seg faults during close (jared cantwell via mahadev)
ZOOKEEPER-898. C Client might not cleanup correctly during close
(jared cantwell via mahadev)
ZOOKEEPER-907. Spurious "KeeperErrorCode = Session moved" messages (vishal k via breed)
ZOOKEEPER-884. Remove LedgerSequence references from BookKeeper documentation and comments in tests (fpj via breed)
ZOOKEEPER-916. Problem receiving messages from subscribed channels in c++ client (ivan via breed)
ZOOKEEPER-930. Hedwig c++ client uses a non thread safe logging library (ivan via breed)
ZOOKEEPER-900. FLE implementation should be improved to use non-blocking sockets (vishal via fpj)
ZOOKEEPER-937. test -e not available on solaris /bin/sh (Erik Hetzner via mahadev)
ZOOKEEPER-905. enhance zkServer.sh for easier zookeeper automation-izing (Nicholas Harteau via mahadev)
ZOOKEEPER-913. Version parser fails to parse "3.3.2-dev" from build.xml (Anthony Urso and phunt via breed)
ZOOKEEPER-957. zkCleanup.sh doesn't do anything (Ted Dunning via mahadev)
ZOOKEEPER-958. Flag to turn off autoconsume in hedwig c++ client (Ivan Kelly
via mahadev)
ZOOKEEPER-882. Startup loads last transaction from snapshot (j:ared via fpj)
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)
ZOOKEEPER-985. Test BookieRecoveryTest fails on trunk. (fpj via breed)
ZOOKEEPER-983. running zkServer.sh start remotely using ssh hangs (phunt)
ZOOKEEPER-976. ZooKeeper startup script doesn't use JAVA_HOME (phunt)
ZOOKEEPER-994 "eclipse" target in the build script doesnot include
libraray required for test classes in the classpath (MIS via phunt)
ZOOKEEPER-1013 zkServer.sh usage message should mention all startup options
(eugene koontz via mahadev)
ZOOKEEPER-1007. iarchive leak in C client (jeremy stribling via mahadev)
ZOOKEEPER-993. Code improvements (MIS via fpj)
ZOOKEEPER-1012. support distinct JVMFLAGS for zookeeper server in zkServer.sh
and zookeeper client in zkCli.sh (Eugene Koontz via breed)
ZOOKEEPER-880. QuorumCnxManager$SendWorker grows without bounds (vishal via breed)
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)
ZOOKEEPER-975. new peer goes in LEADING state even if ensemble is online. (vishal via fpj)
ZOOKEEPER-1049. Session expire/close flooding renders heartbeats to delay significantly.
(chang song via mahadev)
ZOOKEEPER-1033. c client should install includes into INCDIR/zookeeper, not INCDIR/c-client-src
(Nicholas Harteau via mahadev)
ZOOKEEPER-1061. Zookeeper stop fails if start called twice. (Ted Dunning via mahadev)
ZOOKEEPER-1059. stat command isses on non-existing node causes NPE. (Bhallamudi Kamesh via mahadev)
ZOOKEEPER-1058. fix typo in opToString for getData. (camille)
ZOOKEEPER-1046. Creating a new sequential node results in a ZNODEEXISTS error. (Vishal K via camille)
ZOOKEEPER-1069. Calling shutdown() on a QuorumPeer too quickly can lead to a corrupt log. (Vishal K via camille)
ZOOKEEPER-1083. Javadoc for WatchedEvent not being generated. (Ivan Kelly via michim)
ZOOKEEPER-1086. zookeeper test jar has non mavenised dependency. (Ivan Kelly via michim)
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)
ZOOKEEPER-1060. QuorumPeer takes a long time to shutdown (Vishal via fpj)
ZOOKEEPER-1087. ForceSync VM arguement not working when set to "no" (Nate Putnam via breed)
ZOOKEEPER-1068. Documentation and default config suggest incorrect
location for Zookeeper state (Roman Shaposhnik via phunt)
ZOOKEEPER-1103. In QuorumTest, use the same "for ( .. try { break }
catch { } )" pattern in testFollowersStartAfterLeaders as in
testSessionMove. (Eugene Koontz via phunt)
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)
ZOOKEEPER-1046. Small fix: Creating a new sequential node results in a ZNODEEXISTS error. (Vishal K via camille)
ZOOKEEPER-782. Incorrect C API documentation for Watches. (mahadev via breed)
ZOOKEEPER-1063. Dubious synchronization in Zookeeper and ClientCnxnSocketNIO classes (Yanick Dufresne via breed)
ZOOKEEPER-1124. Multiop submitted to non-leader always fails due to timeout (Marshall McMullen via breed)
ZOOKEEPER-1111. JMXEnv uses System.err instead of logging
(Ivan Kelly via phunt)
ZOOKEEPER-1027. chroot not transparent in zoo_create() (Thijs Terlouw via
mahadev)
ZOOKEEPER-1109. Zookeeper service is down when SyncRequestProcessor meets
any exception. (Laxman via mahadev)
ZOOKEEPER-1134. ClientCnxnSocket string comparison using == rather than equals.
(phunt via mahadev)
ZOOKEEPER-1119. zkServer stop command incorrectly reading comment lines in
zoo.cfg (phunt via mahadev)
ZOOKEEPER-1090. Race condition while taking snapshot can lead to not restoring data tree correctly (Vishal K via breed)
ZOOKEEPER-1138. release audit failing for a number of new files. (phunt via mahadev)
ZOOKEEPER-1139. jenkins is reporting two warnings, fix these (phunt via mahadev)
ZOOKEEPER-1142. incorrect stat output (phunt via mahadev)
ZOOKEEPER-1144. ZooKeeperServer not starting on leader due to a race condition (Vishal K via camille)
ZOOKEEPER-839. deleteRecursive does not belong to the other methods.
(mahadev)
ZOOKEEPER-1146. significant regression in client (c/python) performance.
(phunt via mahadev)
ZOOKEEPER-1150. fix for this patch to compile on windows. (dheeraj
via mahadev)
ZOOKEEPER-1055. check for duplicate ACLs in addACL() and create().
(Eugene Koontz via mahadev)
ZOOKEEPER-1141. zkpython fails tests under python 2.4. (phunt via mahadev)
ZOOKEEPER-1025. zkCli is overly sensitive to to spaces. (Laxman via camille)
ZOOKEEPER-1117. zookeeper 3.3.3 fails to build with gcc >= 4.6.1 on
Debian/Ubuntu (James Page via mahadev)
ZOOKEEPER-1140. server shutdown is not stopping threads. (laxman via mahadev)
ZOOKEEPER-1051. SIGPIPE in Zookeeper 0.3.* when send'ing after
cluster disconnection (Stephen Tyree via mahadev)
ZOOKEEPER-1168. ZooKeeper fails to run with IKVM (Andrew Finnell via phunt)
ZOOKEEPER-1165. better eclipse support in tests (Warren Turkal via phunt)
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)
ZOOKEEPER-1160. test timeouts are too small (breed via phunt)
ZOOKEEPER-731. Zookeeper#delete , #create - async versions miss a verb in the javadoc. (Thomas Koch via camille)
ZOOKEEPER-1108. Various bugs in zoo_add_auth in C. (Dheeraj Agrawal via mahadev)
ZOOKEEPER-981. Hang in zookeeper_close() in the multi-threaded C client.
(Jeremy Stribling via mahadev)
ZOOKEEPER-1125. Intermittent java core test failures. (Vishar Kher via mahadev)
ZOOKEEPER-961. Watch recovery after disconnection when connection string contains a prefix.
(Matthias Spycher via mahadev)
ZOOKEEPER-1136. NEW_LEADER should be queued not sent to match the Zab 1.0 protocol
on the twiki (breed via mahadev)
ZOOKEEPER-1189. For an invalid snapshot file(less than 10bytes size) RandomAccessFile
stream is leaking. (Rakesh R via mahadev)
ZOOKEEPER-1185. Send AuthFailed event to client if SASL authentication fails.
(Eugene Kuntz via mahadev)
ZOOKEEPER-1174. FD leak when network unreachable (Ted Dunning via camille)
ZOOKEEPER-1203. Zookeeper systest is missing Junit Classes
(Prashant Gokhale via phunt)
ZOOKEEPER-1206. Sequential node creation does not use always use
digits in node name given certain Locales. (Mark Miller via phunt)
ZOOKEEPER-1212. zkServer.sh stop action is not conformat with LSB
para 20.2 Init Script Actions (Roman Shaposhnik via phunt)
ZOOKEEPER-1190. ant package is not including many of the bin scripts
in the package (zkServer.sh for example) (Eric Yang via phunt)
ZOOKEEPER-1181. Fix problems with Kerberos TGT renewal.
(Eugene Koontz via mahadev)
ZOOKEEPER-1264. FollowerResyncConcurrencyTest failing intermittently. (phunt via camille)
ZOOKEEPER-1268. problems with read only mode, intermittent test failures
and ERRORs in the log. (phunt via mahadev)
ZOOKEEPER-1246. Dead code in PrepRequestProcessor catch Exception block. (camille)
ZOOKEEPER-1271. testEarlyLeaderAbandonment failing on solaris -
clients not retrying connection (mahadev via phunt)
ZOOKEEPER-1192. Leader.waitForEpochAck() checks waitingForNewEpoch instead
of checking electionFinished (Alexander Shraer via mahadev)
ZOOKEEPER-1270. testEarlyLeaderAbandonment failing intermittently,
quorum formed, no serving. (Flavio, Camille and Alexander Shraer via mahadev)
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)
ZOOKEEPER-1208. Ephemeral node not removed after the client session is long gone. (phunt via camille)
ZOOKEEPER-1239. add logging/stats to identify fsync stalls. (phunt via camille)
ZOOKEEPER-1299. Add winconfig.h file to ignore in release audit. (mahadev)
IMPROVEMENTS:
ZOOKEEPER-724. Improve junit test integration - log harness information
(phunt via mahadev)
ZOOKEEPER-766. forrest recipes docs don't mention the lock/queue recipe
implementations available in the release (phunt via mahadev)
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)
ZOOKEEPER-789. Improve FLE log messages (flavio via phunt)
ZOOKEEPER-798. Fixup loggraph for FLE changes (Ivan Kelly via phunt)
ZOOKEEPER-797 c client source with AI_ADDRCONFIG cannot be compiled with
early glibc (Qian Ye via phunt)
ZOOKEEPER-790. Last processed zxid set prematurely while establishing leadership
(fpj via breed)
ZOOKEEPER-821. Add ZooKeeper version information to zkpython (Rich
Schumacher via mahadev)
ZOOKEEPER-765. Add python example script (Travis and Andrei via mahadev)
ZOOKEEPER-809. Improved REST Interface (Andrei Savu via phunt)
ZOOKEEPER-733. use netty to handle client connections (breed and phunt)
ZOOKEEPER-853. Make zookeeper.is_unrecoverable return True or False
in zkpython (Andrei Savu via henryr)
ZOOKEEPER-864. Hedwig C++ client improvements (Ivan Kelly via breed)
ZOOKEEPER-862. Hedwig created ledgers with hardcoded Bookkeeper ensemble and
quorum size. Make these a server config parameter instead. (Erwin T via breed)
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)
ZOOKEEPER-908. Remove code duplication and inconsistent naming in
ClientCnxn.Packet creation (Thomas Koch via phunt)
ZOOKEEPER-836. hostlist as string. (Thomas Koch via breed)
ZOOKEEPER-921. zkPython incorrectly checks for existence of required
ACL elements (Nicholas Knight via henryr)
ZOOKEEPER-963. Make Forrest work with JDK6 (Carl Steinbach via henryr)
ZOOKEEPER-500. Async methods shouldnt throw exceptions (fpj via breed)
ZOOKEEPER-977. passing null for path_buffer in zoo_create (breed via mahadev)
ZOOKEEPER-465. Ledger size in bytes. (flavio via mahadev)
ZOOKEEPER-980. allow configuration parameters for log4j.properties
(phunt via mahadev)
ZOOKEEPER-1042. Generate zookeeper test jar for maven installation
(ivan kelly via breed)
ZOOKEEPER-1030: Increase default for maxClientCnxns
(Todd Lipcon via breed/mahadev/phunt)
ZOOKEEPER-850: Switch from log4j to slf4j (Olaf Krische via michim)
ZOOKEEPER-874. FileTxnSnapLog.restore does not call listener (diogo via fpj)
ZOOKEEPER-1052. Findbugs warning in QuorumPeer.ResponderThread.run() (fpj via michim)
ZOOKEEPER-1094. Small improvements to LeaderElection and Vote classes (henryr via breed)
ZOOKEEPER-1074. zkServer.sh is missing nohup/sleep, which are necessary
for remote invocation. (phunt via mahadev)
ZOOKEEPER-965. Need a multi-update command to allow multiple znodes to be updated safely (Marshall McMullen and Ted Dunning via breed)
ZOOKEEPER-1073. address a documentation issue in ZOOKEEPER-1030. (phunt via mahadev)
ZOOKEEPER-1095. Simple leader election recipe
(Eric Sammer via henry and phunt)
ZOOKEEPER-1076. some quorum tests are unnecessarily extending QuorumBase (phunt via mahadev)
ZOOKEEPER-1143. quorum send & recv workers are missing thread names
(phunt via mahadev)
ZOOKEEPER-1104. CLONE - In QuorumTest, use the same "for ( .. try { break }
catch { } )" pattern in testFollowersStartAfterLeaders as in testSessionMove.
(Eugene Koontz via mahadev)
ZOOKEEPER-1034. perl bindings should automatically find the zookeeper
c-client headers (nicholas harteau via mahadev)
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)
ZOOKEEPER-1171. fix build for java 7 (phunt via mahadev)
ZOOKEEPER-1201. Clean SaslServerCallbackHandler.java. (Thomas Koch
via mahadev)
ZOOKEEPER-1321. Add number of client connections metric in JMX and srvr. (Neha Narkhede via camille)
NEW FEATURES:
ZOOKEEPER-729. Java client API to recursively delete a subtree.
(Kay Kay via henry)
ZOOKEEPER-747. Add C# generation to Jute (Eric Hauser via phunt)
ZOOKEEPER-464. Need procedure to garbage collect ledgers
(erwin via fpj)
ZOOKEEPER-773. Log visualisation (Ivan Kelly via phunt)
ZOOKEEPER-744. Add monitoring four-letter word (Andrei Savu via phunt)
ZOOKEEPER-712. Bookie recovery. (erwin tam via breed)
ZOOKEEPER-799. Add tools and recipes for monitoring as a contrib
(Andrei Savu via phunt)
ZOOKEEPER-808. Web-based Administrative Interface
(Andrei Savu via phunt)
ZOOKEEPER-775. A large scale pub/sub system (Erwin, Ivan and Ben via
mahadev)
ZOOKEEPER-1020. Implement function in C client to determine which host you're currently connected to. (stephen tyree via breed)
ZOOKEEPER-1038. Move bookkeeper and hedwig code in subversion (breed)
ZOOKEEPER-784. Server-side functionality for read-only mode (Sergey Doroshenko via henryr)
ZOOKEEPER-992. MT Native Version of Windows C Client (Dheeraj Agrawal via michim)
ZOOKEEPER-938. Support Kerberos authentication of clients. (Eugene Koontz
via mahadev)
ZOOKEEPER-1152. Exceptions thrown from handleAuthentication can cause buffer corruption issues in NIOServer. (camille via breed)
ZOOKEEPER-999. Create an package integration project (Eric Yang via phunt)
ZOOKEEPER-1107. automating log and snapshot cleaning (Laxman via phunt)
DEPRECATION:
ZOOKEEPER-1153. Deprecate AuthFLE and LE. (Flavio Junqueira via mahadev)
Release 3.3.0 - 2010-03-24
Non-backward compatible changes:
BUGFIXES:
Backward compatible changes:
BUGFIXES:
ZOOKEEPER-59. Synchronized block in NIOServerCnxn (fpj via breed)
ZOOKEEPER-524. DBSizeTest is not really testing anything (breed)
ZOOKEEPER-469. make sure CPPUNIT_CFLAGS isn't overwritten
(chris via mahadev)
ZOOKEEPER-471. update zkperl for 3.2.x branch (chris via mahadev)
ZOOKEEPER-470. include unistd.h for sleep() in c tests (chris via mahadev)
ZOOKEEPR-460. bad testRetry in cppunit tests (hudson failure)
(giri via mahadev)
ZOOKEEPER-467. Change log level in BookieHandle. (flavio via mahadev)
ZOOKEEPER-482. ignore sigpipe in testRetry to avoid silent immediate
failure. (chris via mahadev)
ZOOKEEPER-487. setdata on root (/) crashes the servers (mahadev via phunt)
ZOOKEEPER-457. Make ZookeeperMain public, support for HBase (and other)
embedded clients (ryan rawson via phunt)
ZOOKEEPER-481. Add lastMessageSent to QuorumCnxManager. (flavio via mahadev)
ZOOKEEPER-479. QuorumHierarchical does not count groups correctly
(flavio via mahadev)
ZOOKEEPER-466. crash on zookeeper_close() when using auth with empty cert
(Chris Darroch via phunt)
ZOOKEEPER-480. FLE should perform leader check when node is not leading and
add vote of follower (flavio via mahadev)
ZOOKEEPER-491. Prevent zero-weight servers from being elected.
(flavio via mahadev)
ZOOKEEPER-447. zkServer.sh doesn't allow different config files to be
specified on the command line (henry robinson via phunt)
ZOOKEEPER-493. patch for command line setquota (steve bendiola via phunt)
ZOOKEEPER-311. handle small path lengths in zoo_create()
(chris barroch via breed)
ZOOKEEPER-484. Clients get SESSION MOVED exception when switching from
follower to a leader. (mahadev)
ZOOKEEPER-490. the java docs for session creation are misleading/incomplete
(phunt)
ZOOKEEPER-501. CnxManagerTest failed on hudson. (flavio via mahadev)
ZOOKEEPER-499. electionAlg should default to FLE (3) - regression
(phunt via mahadev)
ZOOKEEPER-477. zkCleanup.sh is flaky (fernando via mahadev)
ZOOKEEPER-498. Unending Leader Elections : WAN configuration
(flavio via mahadev)
ZOOKEEPER-508. proposals and commits for DIFF and Truncate messages from the
leader to the followers is buggy. (mahadev and ben via mahadev)
ZOOKEEPER-518. DEBUG message for outstanding proposals in leader should be
moved to trace. (phunt)
ZOOKEEPER-533. ant error running clean twice (phunt via mahadev)
ZOOKEEPER-535. ivy task does not enjoy being defined twice
(build error) (phunt via mahadev)
ZOOKEEPER-420. build/test should not require install in zkpython
(henry robinson via phunt)
ZOOKEEPER-538. zookeeper.async causes python to segfault
(henry robinson via phunt)
ZOOKEEPER-542. c-client can spin when server unresponsive (Christian
Wiedmann via mahadev)
ZOOKEEEPER-510. zkpython lumps all exceptions as IOError, needs specialized
exceptions for KeeperException types (henry & pat via mahadev)
ZOOKEEPER-541. zkpython limited to 256 handles (henry robinson via phunt)
ZOOKEEPER-554. zkpython can segfault when statting a deleted node
(henry robinson via phunt)
ZOOKEEPER-512. FLE election fails to elect leader (flavio via mahadev)
ZOOKEEPER-563. ant test for recipes is broken. (mahadev via phunt)
ZOOKEEPER-562. c client can flood server with pings if tcp send queue
filled. (ben reed via mahadev)
ZOOKEEPER-537. The zookeeper jar includes the java source files
(Thomas Dudziak via phunt)
ZOOKEEPER-551. unnecessary SetWatches message on new session.
(phunt via flavio)
ZOOKEEPER-566. "reqs" four letter word (command port) returns no information
(phunt via breed)
ZOOKEEPER-567. javadoc for getchildren2 needs to mention "new in 3.3.0"
(phunt via breed)
ZOOKEEPER-547. Sanity check in QuorumCnxn Manager and quorum communication
port. (mahadev via breed)
ZOOKEEPER-532. java compiler should be target Java 1.5
(hiram chirino and phunt via breed)
ZOOKEEPER-519. Followerhandler should close the socket if it gets an exception
on a write. (mahadev via breed)
ZOOKEEPER-570. AsyncHammerTest is broken, callbacks need to validate rc
parameter (phunt via breed)
ZOOKEEPER-3. syncLimit has slightly different comments in the class header,
and > inline with the variable. (mahadev via breed)
ZOOKEEPER-576. docs need to be updated for session moved exception and how
to handle it (breed via phunt)
ZOOKEEPER-582. ZooKeeper can revert to old data when a snapshot is created
outside of normal processing (ben reed and mahadev via mahadev)
ZOOKEEPER-597. ASyncHammerTest is failing intermittently on hudson trunk
(Patrick Hunt via mahadev)
ZOOKEEPER-598. LearnerHandler is misspelt in the thread's constructor
(Henry Robinson via fpj)
ZOOKEEPER-597. ASyncHammerTest is failing intermittently on hudson trunk (take 2)
(breed)
ZOOKEEPER-597. ASyncHammerTest is failing intermittently on hudson trunk
(take 3) (phunt via mahadev)
ZOOKEEPER-597. ASyncHammerTest is failing intermittently on hudson trunk
(take 4) (breed via mahadev)
ZOOKEEPER-597. ASyncHammerTest is failing intermittently on hudson trunk
(take 5) (mahadev)
ZOOKEEPER-611. hudson build failiure (mahadev)
ZOOKEEPER-611. hudson build failure (take 2) (mahadev)
ZOOKEEPER-615. wrong javadoc for create with a sequence flag
(mahadev via breed)
ZOOKEEPER-588. remove unnecessary/annoying log of tostring error in
Request.toString() (phunt via breed)
ZOOKEEPER-587. client should log timeout negotiated with server
(phunt via mahadev)
ZOOKEEPER-610. cleanup final fields, esp those used for locking
(phunt via henry)
ZOOKEEPER-614. Improper synchronisation in getClientCnxnCount
(henry via mahadev)
ZOOKEEPER-609. ObserverTest failure "zk should not be connected expected not
same" (henry robinson via phunt)
ZOOKEEPER-630. Trunk has duplicate ObserverTest.java files
(henry robinson via phunt)
ZOOKEEPER-627. zkpython arbitrarily restricts the size of a 'get' to 512
bytes (henry robinson via mahadev)
ZOOKEEPER-534. The test target in contib/bookkeeper does not depend on jar
target. (phunt via mahadev)
ZOOKEEPER-623. ClientBase in bookkeeper.util requires junit (fpj via breed)
ZOOKEEPER-600. TODO pondering about allocation behavior in zkpython may be
removed (gustavo via mahadev)
ZOOKEEPER-596. The last logged zxid calculated by zookeeper servers could
cause problems in leader election if data gets corrupted. (mahadev)
ZOOKEEPER-637. Trunk build is failing (fpj via breed)
ZOOKEEPER-637. Trunk build is failing - second patch (breed via fpj)
ZOOKEEPER-644. Nightly build failed on hudson. (pat via mahadev)
ZOOKEEPER-651: Log exception trace in QuorumCnxManager.SendWorker
(flavio via henry)
ZOOKEEPER-608. Receipt of ACK from observer should not be logged as ERROR
(henry via mahadev)
ZOOKEEPER-647. hudson failure in testLeaderShutdown (flavio via mahadev)
ZOOKEEPER-574. the documentation on snapcount in the admin guide has the
wrong default (phunt via mahadev)
ZOOKEEPER-656. SledgeHammer test - thread.run() deprecated (kay kay via mahadev)
ZOOKEEPER-413. two flaws need addressing in the c tests that can cause false
positive failures (phunt via mahadev)
ZOOKEEPER-495. c client logs an invalid error when zookeeper_init is called
with chroot (phunt via mahadev)
ZOOKEEPER-589. When create a znode, a NULL ACL parameter cannot be accepted.
(breed via mahadev)