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https://issues.apache.org/jira/browse/IGNITE-8393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan Rakov reassigned IGNITE-8393:
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Assignee: Ivan Rakov
> Unexpected error during WAL compression java.io.EOFException: EOF at
> position [0] expected to read [29] bytes
> --------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-8393
> URL: https://issues.apache.org/jira/browse/IGNITE-8393
> Project: Ignite
> Issue Type: Bug
> Components: persistence
> Reporter: Sergey Filatov
> Assignee: Ivan Rakov
> Priority: Critical
> Labels: WAL
>
> In WAL segment compression fails with exception, FileCompressed will print
> errors in endless loop without any progress:
> 2018-04-26 11:35:25.152
> [ERROR][wal-file-compressor%DPL_GRID%DplGridNodeName][o.a.i.i.p.c.p.w.FileWriteAheadLogManager]
> Unexpected error during WAL compression
> java.io.EOFException: EOF at position [0] expected to read [29] bytes
> at
> org.apache.ignite.internal.processors.cache.persistence.wal.FileInput.ensure(FileInput.java:126)
> at
> org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.readSerializerVersionAndCompactedFlag(FileWriteAheadLogManager.java:2144)
> at
> org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileCompressor.compressSegmentToFile(FileWriteAheadLogManager.java:1917)
> at
> org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileCompressor.run(FileWriteAheadLogManager.java:1884)
> 2018-04-26 11:35:25.391 [INFO
> ][node-stopper][o.a.i.i.m.d.GridDeploymentLocalStore] Removed undeployed
> class: GridDeployment [ts=1524730971870, depMode=SHARED,
> clsLdr=union-module-impl:com.sbt.core.envelope.container.loader.ImplClassLoader@7ee81f01,
> clsLdrId=7114b010361-b9172884-ab39-4b1c-94ed-6208828f27fe, userVer=0,
> loc=true,
> sampleClsName=org.apache.ignite.internal.processors.cache.GridCacheProcessor$RemovedItemsCleanupTask$1,
> pendingUndeploy=false, undeployed=true, usage=0]
> 2018-04-26 11:35:25.400 [INFO
> ][node-stopper][o.a.i.i.IgniteKernal%DPL_GRID%DplGridNodeName]
> We should softly handle this situation: print message in log and continue the
> compression with next segment.
> We also should handle "skipped" segments and don't delete them in
> deleteObsoleteRawSegments().
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