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From "Ivan Rakov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (IGNITE-8429) Unexpected error during incorrect WAL segment decompression, causes node termination.
Date Mon, 07 May 2018 15:01:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-8429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ivan Rakov reassigned IGNITE-8429:
----------------------------------

    Assignee: Ivan Rakov

> Unexpected error during incorrect WAL segment decompression, causes node termination.
> -------------------------------------------------------------------------------------
>
>                 Key: IGNITE-8429
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8429
>             Project: Ignite
>          Issue Type: Bug
>          Components: persistence
>    Affects Versions: 2.5
>            Reporter: Ivan Daschinskiy
>            Assignee: Ivan Rakov
>            Priority: Critical
>              Labels: WAL
>             Fix For: 2.5
>
>
> File decompressor failure due to incorrect (zero-length) archived segment. 
> 2018-04-30 00:00:02.811 [ERROR][wal-file-decompressor%DPL_GRID%DplGridNodeName][org.apache.ignite.Ignite]
Critical system error detected. Will be handled accordingly to configured handler [hnd=class
o.a.i.failure.StopNodeOrHaltFailureHandler, failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION,
err=java.lang.IllegalStateException: Thread wal-file-decompressor%DPL_GRID%DplGridNodeName
is terminated unexpectedly]]
> java.lang.IllegalStateException: Thread wal-file-decompressor%DPL_GRID%DplGridNodeName
is terminated unexpectedly
>         at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileDecompressor.run(FileWriteAheadLogManager.java:2104)
> 2018-04-30 00:00:02.812 [ERROR][wal-file-decompressor%DPL_GRID%DplGridNodeName][org.apache.ignite.Ignite]
JVM will be halted immediately due to the failure: [failureCtx=FailureContext [type=SYSTEM_WORKER_TERMINATION,
err=java.lang.IllegalStateException: Thread wal-file-decompressor%DPL_GRID%DplGridNodeName
is terminated unexpectedly]]
> touch 0000000000000754.wal
> zip 0000000000000754.wal.zip 0000000000000754.wal
> ls -l
> -rw-rw-r-- 1 dmitriy dmitriy   0 май  1 16:40 0000000000000754.wal
> -rw-rw-r-- 1 dmitriy dmitriy 190 май  1 16:46 0000000000000754.wal.zip
> Archive:  /tmp/temp/0000000000000754.wal.zip
>  Length   Method    Size  Cmpr    Date    Time   CRC-32   Name
> --------  ------  ------- ---- ---------- ----- --------  ----
>        0  Stored        0   0% 2018-05-01 16:40 00000000  0000000000000754.wal
> --------          -------  ---                            -------
>        0                0   0%                            1 file
> We should softly handle this situation: print message in log and continue the decompression
with next segment.
> We also should handle "skipped" segments and don't delete them in deleteObsoleteRawSegments().



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