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CHANGES.txt
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Release 3.1.0 - 2009-02-11
Non-backward compatible changes:
BUGFIXES:
ZOOKEEPER-246. review error code definition in both source and docs.
(pat via mahadev)
Backward compatibile changes:
BUGFIXES:
ZOOKEEPER-211. Not all Mock tests are working (ben via phunt)
ZOOKEEPER-223. change default level in root logger to INFO.
(pat via mahadev)
ZOOKEEPER-212. fix the snapshot to be asynchronous. (mahadev and ben)
ZOOKEEPER-213. fix programmer guide C api docs to be in sync with latest
zookeeper.h (pat via mahadev)
ZOOKEEPER-219. fix events.poll timeout in watcher test to be longer.
(pat via mahadev)
ZOOKEEPER-217. Fix errors in config to be thrown as Exceptions. (mahadev)
ZOOKEEPER-228. fix apache header missing in DBTest. (mahadev)
ZOOKEEPER-218. fix the error in the barrier example code. (pat via mahadev)
ZOOKEEPER-206. documentation tab should contain the version number and
other small site changes. (pat via mahadev)
ZOOKEEPER-226. fix exists calls that fail on server if node has null data.
(mahadev)
ZOOKEEPER-204. SetWatches needs to be the first message after auth
messages to the server (ben via mahadev)
ZOOKEEPER-208. Zookeeper C client uses API that are not thread safe,
causing crashes when multiple instances are active.
(austin shoemaker, chris daroch and ben reed via mahadev)
ZOOKEEPER-227. gcc warning from recordio.h (chris darroch via mahadev)
ZOOKEEPER-232. fix apache licence header in TestableZookeeper (mahadev)
ZOOKEEPER-249. QuorumPeer.getClientPort() always returns -1.
(nitay joffe via mahadev)
ZOOKEEPER-248. QuorumPeer should use Map interface instead of HashMap
implementation. (nitay joffe via mahadev)
ZOOKEEPER-241. Build of a distro fails after clean target is run.
(patrick hunt via mahadev)
ZOOKEEPER-245. update readme/quickstart to be release tar, rather than
source, based (patrick hunt via mahadev)
ZOOKEEPER-251. NullPointerException stopping and starting Zookeeper servers
(mahadev via phunt)
ZOOKEEPER-250. isvalidsnapshot should handle the case of 0 snapshot
files better. (mahadev via phunt)
ZOOKEEPER-265. remove (deprecate) unused NoSyncConnected from KeeperState.
(phunt via mahadev)
ZOOKEEPER-273. Zookeeper c client build should not depend on CPPUNIT. (pat
and runping via mahadev)
ZOOKEEPER-268. tostring on jute generated objects can cause NPE. (pat via mahadev)
ZOOKEEPER-267. java client incorrectly generating syncdisconnected event when in disconnected state. (pat via breed)
ZOOKEEPER-263. document connection host:port as comma separated list in forrest docs (pat via breed)
ZOOKEEPER-275. Bug in FastLeaderElection. (flavio via mahadev)
ZOOKEEPER-272. getchildren can fail for large number of children. (mahadev)
ZOOKEEPER-16. Need to do path validation. (pat, mahadev)
ZOOKEEPER-252. PurgeTxnLog is not handling the new dataDir directory
structure (mahadev via phunt)
ZOOKEEPER-255. zoo_set() api does not return stat datastructure.
(avery ching via mahadev)
ZOOKEEPER-293. zoo_set needs to be abi compatible (3.1 changed the
signature), fix this by adding zoo_set2 (pat via mahadev)
ZOOKEEPER-302. Quote values in JMX ObjectNames. (tom and pat via mahadev)
IMPROVEMENTS:
ZOOKEEPER-64. Log system env information when initializing server and
client (pat via mahadev)
ZOOKEEPER-243. add SEQUENCE flag documentation to the programming guide.
(patrick hunt via mahadev)
ZOOKEEPER-161. Content needed: "Designing a ZooKeeper Deployment"
(breed via phunt)
ZOOKEEPER-247. fix formatting of C API in ACL section of programmer guide.
(patrick hunt via mahadev)
ZOOKEEPER-230. Improvements to FLE. (Flavio via mahadev)
ZOOKEEPER-225. c client should log an info message in zookeeper_init
detailing connection parameters. (pat via mahadev)
ZOOKEEPER-222. print C client log message timestamp in human readable
form. (pat via mahadev)
ZOOKEEPER-256. support use of JMX to manage log4j configuration at runtime.
(pat via mahadev)
ZOOKEEPER-214. add new "stat reset" command to server admin port.
(pat via mahadev)
ZOOKEEPER-258. docs incorrectly state max client timeout as 60 seconds
(it's based on server ticktime). (phunt via mahadev)
ZOOKEEPER-135. Fat jar build target. (phunt and breed via mahadev)
ZOOKEEPER-234. Eliminate using statics to initialize the sever. Should
allow server to be more embeddable in OSGi enviorments. (phunt)
ZOOKEEPER-259. cleanup the logging levels used (use the correct level)
and messages generated. (phunt via breed)
ZOOKEEPER-210. Require Java 6. (phunt via breed)
ZOOKEEPER-177. needed: docs for JMX (phunt via mahadev)
ZOOKEEPER-253. documentation of DataWatcher state transition is misleading
regarding auto watch reset on reconnect. (phunt via mahadev)
ZOOKEEPER-269. connectionloss- add more documentation to detail. (phunt and
flavio via mahadev)
ZOOKEEPER-260. document the recommended values for server id's
(mahadev via phunt)
ZOOKEEPER-215. expand system test environment (breed via phunt)
ZOOKEEPER-229. improve documentation regarding user's responsibility to
cleanup datadir (snaps/logs) (mahadev via phunt)
ZOOKEEPER-69. ZooKeeper logo
ZOOKEEPER-286. Make GenerateLoad use InstanceContainers. (breed via mahadev)
ZOOKEEPER-220. programming guide watches section should clarify
server/clientlib role in data/child watch maint. (breed via phunt)
ZOOKEEPER-289. add debug messages to nioserver select loop. (mahadev)
ZOOKEEPER-291. regression for legacy code using KeeperException.
Code constants (due to 246) (pat via mahadev)
NEW FEATURES:
ZOOKEEPER-276. Bookkeeper contribution (Flavio and Luca Telloli via mahadev)
ZOOKEEPER-231. Quotas in ZooKeeper. (mahadev)
Release 3.0.0 - 2008-10-21
Non-backward compatible changes:
ZOOKEEPER-43. Server side of auto reset watches. (breed via mahadev)
ZOOKEEPER-132. Create Enum to replace CreateFlag in ZooKepper.create
method (Jakob Homan via phunt)
ZOOKEEPER-139. Create Enums for WatcherEvent's KeeperState and EventType
(Jakob Homan via phunt)
ZOOKEEPER-18. keeper state inconsistency (Jakob Homan via phunt)
ZOOKEEPER-38. headers (version+) in log/snap files (Andrew Kornev and Mahadev
Konar via breed)
ZOOKEEPER-8. Stat enchaned to include num of children and size
(phunt)
ZOOKEEPER-6. List of problem identifiers in zookeeper.h
(phunt)
ZOOKEEPER-7. Use enums rather than ints for types and state
(Jakob Homan via mahadev)
ZOOKEEPER-27. Unique DB identifiers for servers and clients
(mahadev)
ZOOKEEPER-32. CRCs for ZooKeeper data
(mahadev)
ZOOKEEPER-33. Better ACL management
(mahadev)
Backward compatibile changes:
BUGFIXES:
ZOOKEEPER-203. fix datadir typo in releasenotes (phunt)
ZOOKEEPER-145. write detailed release notes for users migrating from 2.x
to 3.0 (phunt)
ZOOKEEPER-23. Auto reset of watches on reconnect (breed via phunt)
ZOOKEEPER-191. forrest docs for upgrade. (mahadev via phunt)
ZOOKEEPER-201. validate magic number when reading snapshot and transaction
logs (mahadev via phunt)
ZOOKEEPER-200. the magic number for snapshot and log must be different
(currently same) (phunt)
ZOOKEEPER-199. fix log messages in persistence code (mahadev via phunt)
ZOOKEEPER-197. create checksums for snapshots (mahadev via phunt)
ZOOKEEPER-198. apache license header missing from FollowerSyncRequest.java
(phunt)
ZOOKEEPER-5. Upgrade Feature in Zookeeper server. (mahadev via phunt)
ZOOKEEPER-194. Fix terminology in zookeeperAdmin.xml
(Flavio Paiva Junqueira)
ZOOKEEPER-151. Document change to server configuration
(Flavio Paiva Junqueira)
ZOOKEEPER-193. update java example doc to compile with latest zookeeper
(phunt)
ZOOKEEPER-187. CreateMode api docs missing (phunt)
ZOOKEEPER-186. add new "releasenotes.xml" to forrest documentation
(phunt)
ZOOKEEPER-190. Reorg links to docs and navs to docs into related sections
(robbie via phunt)
ZOOKEEPER-189. forrest build not validated xml of input documents
(robbie via phunt)
ZOOKEEPER-188. Check that election port is present for all servers
(Flavio Paiva Junqueira via phunt)
ZOOKEEPER-185. Improved version of FLETest (Flavio Paiva Junqueira)
ZOOKEEPER-184. tests: An explicit include derective is needed for the usage
of memcpy(), memset(), strlen(), strdup() and free() functions
(Maxim P. Dementiev via phunt)
ZOOKEEPER-183. Array subscript is above array bounds in od_completion(),
src/cli.c. (Maxim P. Dementiev via phunt)
ZOOKEEPER-182. zookeeper_init accepts empty host-port string and returns
valid pointer to zhandle_t. (Maxim P. Dementiev via phunt)
ZOOKEEPER-17. zookeeper_init doc needs clarification (phunt)
ZOOKEEPER-181. Some Source Forge Documents did not get moved over:
javaExample, zookeeperTutorial, zookeeperInternals (robbie via phunt)
ZOOKEEPER-180. Placeholder sections needed in document for new topics that
the umbrella jira discusses (robbie via phunt)
ZOOKEEPER-179. Programmer's Guide "Basic Operations" section is missing
content (robbie via phunt)
ZOOKEEPER-178. FLE test. (Flavio Paiva Junqueira)
ZOOKEEPER-159. Cover two corner cases of leader election
(Flavio Paiva Junqueira via phunt)
ZOOKEEPER-156. update programmer guide with acl details from old wiki page
(phunt)
ZOOKEEPER-154. reliability graph diagram in overview doc needs context
(phunt)
ZOOKEEPER-157. Peer can't find existing leader (Flavio Paiva Junqueira)
ZOOKEEPER-155. improve "the zookeeper project" section of overview doc
(phunt)
ZOOKEEPER-140. Deadlock in QuorumCnxManager (Flavio Paiva Junqueira)
ZOOKEEPER-147. This is version of the documents with most of the [tbd...]
scrubbed out (robbie via phunt)
ZOOKEEPER-150. zookeeper build broken (mahadev via phunt)
ZOOKEEPER-136. sync causes hang in all followers of quorum. (breed)
ZOOKEEPER-134. findbugs cleanup (phunt)
ZOOKEEPER-133. hudson tests failing intermittently (phunt)
ZOOKEEPER-144. add tostring support for watcher event, and enums for event
type/state (Jakob Homan via phunt)
ZOOKEEPER-21. Improve zk ctor/watcher (state transition) docs (phunt)
ZOOKEEPER-142. Provide Javadoc as to the maximum size of the data byte
array that may be stored within a znode (Jakob Homan via phunt)
ZOOKEEPER-93. Create Documentation for Zookeeper (phunt)
ZOOKEEPER-117. threading issues in Leader election (fpj via breed)
ZOOKEEPER-137. client watcher objects can lose events (phunt via breed)
ZOOKEEPER-131. Old leader election can elect a dead leader over and over
again (breed via mahadev)
ZOOKEEPER-130. update build.xml to support apache release process
(phunt via mahadev)
ZOOKEEPER-118. findbugs flagged switch statement in
followerrequestprocessor.run() (Flavio Paiva Junqueira via phunt)
ZOOKEEPER-115. Potential NPE in QuorumCnxManager
(Flavio Paiva Junqueira)
ZOOKEEPER-114. cleanup ugly event messages in zookeeper client
(Jakob Homan)
ZOOKEEPER-112. src/java/main ZooKeeper.java has test code embedded into it.
(phunt)
ZOOKEEPER-39. Use Watcher objects rather than boolean on read operations.
(Andrew Kornev)
ZOOKEEPER-97. supports optional output directory in code generator. (Hiram
Chirino via phunt)
ZOOKEEPER-101. Integrate ZooKeeper with "violations" feature on hudson
(phunt)
ZOOKEEPER-105. Catch Zookeeper exceptions and print on the stderr.
(Anthony Urso via Mahadev)
ZOOKEEPER-42. Change Leader Election to fast tcp. (Flavio Paiva Junqueira
via phunt)
ZOOKEEPER-48. auth_id now handled correctly when no auth ids present
(Benjamin Reed via phunt)
ZOOKEEPER-44. Create sequence flag children with prefixes of 0's so that
they can be lexicographically sorted. (Jakob Homan via mahadev)
ZOOKEEPER-108. Fix sync operation reordering on a Quorum.
(Flavio Paiva Junqueira via Mahadev)
ZOOKEEPER-25. Fuse module for Zookeeper. (Swee Lim, Bart, Patrick Hunt and
Andrew Kornev via Mahadev)
ZOOKEEPER-58. Race condition on ClientCnxn.java (breed)
ZOOKEEPER-56. Add clover support to build.xml. (Patrick Hunt via mahadev)
ZOOKEEPER-75. register the ZooKeeper mailing lists with nabble.com (phunt)
ZOOKEEPER-54. remove sleeps in the tests. (phunt)
ZOOKEEPER-55. build.xml failes to retrieve a release number from SVN and
the ant target "dist" fails (Andrew Kornev)
ZOOKEEPER-89. invoke WhenOwnerListener.whenNotOwner() when the ZK
connection fails (james strachan)
ZOOKEEPER-90. invoke WhenOwnerListener.whenNotOwner() when the ZK
session expires and the znode is the leader (james strachan)
ZOOKEEPER-82. Make the ZooKeeperServer more DI friendly. (Hiram Chirino via
mahadev)
ZOOKEEPER-110. Build script relies on svnant, which is not compatible
with subversion 1.5 working copies (Jakob Homan)
ZOOKEEPER-111. Significant cleanup of existing tests. (Patrick Hunt via
mahadev)
ZOOKEEPER-122. Fix NPE in jute's Utils.toCSVString. (Anthony Urso via
mahadev)
ZOOKEEPER-123. Fix the wrong class is specified for the logger. (Jakob Homan
via mahadev)
ZOOKEEPER-2. Fix synchronization issues in QuorumPeer and FastLeader
election. (Flavio Paiva Junqueira via mahadev)
ZOOKEEPER-125. Remove unwanted class declaration in FastLeaderElection.
(Flavio Paiva Junqueira via mahadev)
ZOOKEEPER-61. Address (remove) use of sleep(#) in client/server test cases.
(phunt)
ZOOKEEPER-75. cleanup the library directory (phunt)
ZOOKEEPER-109. cleanup of NPE and Resource issue nits found by static
analysis (phunt)
ZOOKEEPER-76. Commit 677109 removed the cobertura library, but not the
build targets. (phunt)
ZOOKEEPER-63. Race condition in client close() operation. (phunt via breed)
ZOOKEEPER-70. Add skeleton forrest doc structure for ZooKeeper (phunt)
ZOOKEEPER-79. Document jacob's leader election on the wiki recipes page
(Flavio Junqueira)
ZOOKEEPER-73. Move ZK wiki from SourceForge to Apache (phunt)
ZOOKEEPER-72. Initial creation/setup of ZooKeeper ASF site. (phunt)
ZOOKEEPER-71. Determine what to do re ZooKeeper Changelog(s) (mahadev)
ZOOKEEPER-68. parseACLs in ZooKeeper.java fails to parse elements of ACL,
should be lastIndexOf rather than IndexOf (mahadev)
ZOOKEEPER-130. update build.xml to support apache release process.
(phunt via mahadev)
ZOOKEEPER-131. Fix Old leader election can elect a dead leader over and over
again. (breed via mahadev)
ZOOKEEPER-137. client watcher objects can lose events (Patrick Hunt via breed)
ZOOKEEPER-117. threading issues in Leader election (Flavio Junqueira and
Patrick Hunt via breed)
ZOOKEEPER-128. test coverage on async client operations needs to be improved
(phunt)
ZOOKEEPER-127. Use of non-standard election ports in config breaks services
(Mark Harwood and Flavio Junqueira via breed)
ZOOKEEPER-53. tests failing on solaris. (phunt)
ZOOKEEPER-172. FLE Test (Flavio Junqueira via breed)
ZOOKEEPER-41. Sample startup script (mahadev)
ZOOKEEPER-33. Better ACL management (Mahadev Konar)
ZOOKEEPER-49. SetACL does not work (breed)
ZOOKEEPER-20. Child watches are not triggered when the node is deleted
(phunt)
ZOOKEEPER-15. handle failure better in build.xml:test (phunt)
ZOOKEEPER-11. ArrayList is used instead of List (phunt)
ZOOKEEPER-45. Restructure the SVN repository after initial import (phunt)
ZOOKEEPER-1. Initial ZooKeeper code contribution from Yahoo! (phunt)