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https://issues.apache.org/jira/browse/ZOOKEEPER-1513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Skye Wanderman-Milne updated ZOOKEEPER-1513:
--------------------------------------------
Assignee: Skye Wanderman-Milne
> "Unreasonable length" exception while starting a server.
> --------------------------------------------------------
>
> Key: ZOOKEEPER-1513
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1513
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.3.4
> Reporter: Patrick Hunt
> Assignee: Skye Wanderman-Milne
> Fix For: 3.4.6
>
>
> The server is allowing a client to set data larger than the server can then
> later read:
> {noformat}
> 2012-07-18 14:28:12,555 - FATAL [main:QuorumPeer@400] - Unable to load
> database on disk
> java.io.IOException: Unreasonable length = 1048583
> at org.apache.jute.BinaryInputArchive.readBuffer(BinaryInputArchive.java:100)
> at org.apache.zookeeper.server.persistence.Util.readTxnBytes(Util.java:232)
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:602)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.init(FileTxnLog.java:529)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.<init>(FileTxnLog.java:504)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog.read(FileTxnLog.java:341)
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:131)
>
> at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:222)
> at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:398)
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:143)
>
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:103)
>
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:76)
>
> 2012-07-18 14:28:12,555 - FATAL [main:QuorumPeerMain@87] - Unexpected
> exception, exiting abnormally
> java.lang.RuntimeException: Unable to run quorum server
> at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:401)
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:143)
>
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:103)
>
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:76)
>
> Caused by: java.io.IOException: Unreasonable length = 1048583
> at org.apache.jute.BinaryInputArchive.readBuffer(BinaryInputArchive.java:100)
> at org.apache.zookeeper.server.persistence.Util.readTxnBytes(Util.java:232)
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:602)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.init(FileTxnLog.java:529)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.<init>(FileTxnLog.java:504)
>
> at
> org.apache.zookeeper.server.persistence.FileTxnLog.read(FileTxnLog.java:341)
> at
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:131)
>
> at org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:222)
> at org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:398)
> ... 3 more
> {noformat}
> Notice the size is 0x100007 - 7 bytes beyond.
> The SetDataTxn contains the client data + a couple extra fields. On ingest
> the server is applying the jute.maxbuffer size to the data (expected) but not
> handling the fact that the data plus these extra fields may exceed the
> jute.maxbuffer check when reading from disk.
> Workaround was simple here: set the jute.maxbuffer size a bit higher (and fix
> the mis-behaving client, expectation was not that the data would grow this
> large).
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