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Posted to notifications@accumulo.apache.org by "Josh Elser (JIRA)" <ji...@apache.org> on 2014/12/19 07:03:13 UTC
[jira] [Commented] (ACCUMULO-3435) Sporadic MetadataMaxFilesIT
failure
[ https://issues.apache.org/jira/browse/ACCUMULO-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14253013#comment-14253013 ]
Josh Elser commented on ACCUMULO-3435:
--------------------------------------
Caught a failure locally. The root table came online, but the metadata table was stuck offline. The TabletServer failed recovery of that tablet due to a checksum error out of the filesystem:
{noformat}
org.apache.hadoop.fs.ChecksumException: Checksum error: file:/.../test/target/mini-tests/org.apache.accumulo.test.functional.MetadataMaxFilesIT_test/accumulo/wal/HW10447.local+64012/11533b18-f046-4c9b-96e5-40ac2e33b6a0 at 3144704
at org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSInputChecker.readChunk(ChecksumFileSystem.java:251)
at org.apache.hadoop.fs.FSInputChecker.readChecksumChunk(FSInputChecker.java:275)
at org.apache.hadoop.fs.FSInputChecker.fill(FSInputChecker.java:213)
at org.apache.hadoop.fs.FSInputChecker.read1(FSInputChecker.java:231)
at org.apache.hadoop.fs.FSInputChecker.read(FSInputChecker.java:195)
at java.io.DataInputStream.readFully(DataInputStream.java:195)
at java.io.DataInputStream.readFully(DataInputStream.java:169)
at org.apache.accumulo.core.data.Mutation.readFields(Mutation.java:470)
at org.apache.accumulo.server.data.ServerMutation.readFields(ServerMutation.java:52)
at org.apache.accumulo.tserver.logger.LogFileValue.readFields(LogFileValue.java:45)
at org.apache.accumulo.tserver.log.LogSorter$LogProcessor.sort(LogSorter.java:141)
at org.apache.accumulo.tserver.log.LogSorter$LogProcessor.process(LogSorter.java:95)
at org.apache.accumulo.server.zookeeper.DistributedWorkQueue$1.run(DistributedWorkQueue.java:101)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
at java.lang.Thread.run(Thread.java:745)
{noformat}
We should be using the RawLocalFileSystem for this test instead of the ChecksumFileSystem.
> Sporadic MetadataMaxFilesIT failure
> -----------------------------------
>
> Key: ACCUMULO-3435
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3435
> Project: Accumulo
> Issue Type: Bug
> Components: test
> Reporter: Josh Elser
> Assignee: Josh Elser
> Priority: Blocker
> Fix For: 1.6.2
>
>
> This test is failing occasionally for me on my jenkins instance, more often than it passe, actually.
> The failure condition seems to be that the test reports that it finds no tablets at all which seems very unlikely, where as successful runs of the test have non-zero tablet reports.
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