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https://issues.apache.org/jira/browse/ACCUMULO-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828430#comment-13828430
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Luke Brassard commented on ACCUMULO-1830:
-----------------------------------------
[~afuchs] thought that this was a related bug. Maybe he can comment on what
this finding warrants.
The tl;dr for the above post is that one walog got left behind. The bad case of
this was that it was the put and not the delete. The case where the delete is
left behind is mostly a non-issue.
I haven't referenced the code directly, but I imagine that anything that should
be happening atomically and isn't needs to be fixed for this ticket. The code
you're talking about seems like a candidate for a fix.
> illegal state in RestartStressIT
> --------------------------------
>
> Key: ACCUMULO-1830
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1830
> Project: Accumulo
> Issue Type: Bug
> Components: master, tserver
> Affects Versions: 1.4.0, 1.4.1, 1.4.2, 1.4.4, 1.5.0
> Environment: on master, 135e67b68592f0d1c7ca69bac318a7ad3ed55831
> Reporter: Eric Newton
> Assignee: Eric Newton
> Priority: Critical
> Fix For: 1.4.5, 1.5.1
>
>
> {noformat}
> 2013-10-29 15:20:11,125 [state.MetaDataTableScanner] ERROR:
> java.lang.RuntimeException:
> org.apache.accumulo.server.master.state.TabletLocationState$BadLocationStateException:
> found two locations for the same extent 1<: host:50867[14205a7c2a90003] and
> host:41255[14205a7c2a9000a]
> java.lang.RuntimeException:
> org.apache.accumulo.server.master.state.TabletLocationState$BadLocationStateException:
> found two locations for the same extent 1<: host[14205a7c2a90003] and
> host:41255[14205a7c2a9000a]
> at
> org.apache.accumulo.server.master.state.MetaDataTableScanner.fetch(MetaDataTableScanner.java:189)
> at
> org.apache.accumulo.server.master.state.MetaDataTableScanner.next(MetaDataTableScanner.java:124)
> at
> org.apache.accumulo.server.master.state.MetaDataTableScanner.next(MetaDataTableScanner.java:1)
> at
> org.apache.accumulo.server.master.TabletGroupWatcher.run(TabletGroupWatcher.java:143)
> Caused by:
> org.apache.accumulo.server.master.state.TabletLocationState$BadLocationStateException:
> found two locations for the same extent 1<: host:50867[14205a7c2a90003] and
> host:41255[14205a7c2a9000a]
> at
> org.apache.accumulo.server.master.state.MetaDataTableScanner.createTabletLocationState(MetaDataTableScanner.java:157)
> at
> org.apache.accumulo.server.master.state.MetaDataTableScanner.fetch(MetaDataTableScanner.java:185)
> ... 3 more
> {noformat}
> Here's where the test stopped
> {noformat}
> java.lang.IllegalStateException: Tablet has multiple locations : 1<
> at
> org.apache.accumulo.core.metadata.MetadataLocationObtainer.getMetadataLocationEntries(MetadataLocationObtainer.java:233)
> at
> org.apache.accumulo.core.metadata.MetadataLocationObtainer.lookupTablet(MetadataLocationObtainer.java:118)
> at
> org.apache.accumulo.core.client.impl.TabletLocatorImpl.lookupTabletLocation(TabletLocatorImpl.java:462)
> at
> org.apache.accumulo.core.client.impl.TabletLocatorImpl._locateTablet(TabletLocatorImpl.java:619)
> at
> org.apache.accumulo.core.client.impl.TabletLocatorImpl.locateTablet(TabletLocatorImpl.java:437)
> at
> org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:226)
> at
> org.apache.accumulo.core.client.impl.ScannerIterator$Reader.run(ScannerIterator.java:84)
> at
> org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:177)
> at
> org.apache.accumulo.test.VerifyIngest.verifyIngest(VerifyIngest.java:162)
> at
> org.apache.accumulo.test.functional.RestartStressIT.test(RestartStressIT.java:73)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}
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