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https://issues.apache.org/jira/browse/ACCUMULO-4601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058709#comment-16058709
]
Josh Elser commented on ACCUMULO-4601:
--------------------------------------
Given the silence, I don't think anyone else is looking at this, [~skanekar].
It's hard to say at a glance whether this is a problem in Accumulo or in
commons-vfs2. If you can investigate/debug, that would certainly be the first
step towards a solution.
> ClassLoaderIT is flakey due to missing JAR update
> -------------------------------------------------
>
> Key: ACCUMULO-4601
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4601
> Project: Accumulo
> Issue Type: Bug
> Components: test
> Affects Versions: 1.7.3
> Reporter: Josh Elser
>
> {noformat}
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 23.352 sec
> <<< FAILURE! - in org.apache.accumulo.test.functional.ClassLoaderIT
> test(org.apache.accumulo.test.functional.ClassLoaderIT) Time elapsed: 23.151
> sec <<< ERROR!
> java.lang.RuntimeException:
> org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server
> hw10447.local:57128
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.scanCheck(ClassLoaderIT.java:101)
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.test(ClassLoaderIT.java:90)
> Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException:
> Error on server hw10447.local:57128
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.scanCheck(ClassLoaderIT.java:101)
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.test(ClassLoaderIT.java:90)
> Caused by: org.apache.thrift.TApplicationException: Internal error processing
> startScan
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.scanCheck(ClassLoaderIT.java:101)
> at
> org.apache.accumulo.test.functional.ClassLoaderIT.test(ClassLoaderIT.java:90)
> {noformat}
> The TabletServer appears to have never seen the update and reloaded the VFS
> classloader
> {noformat}
> 2017-03-07 12:58:46,309 [Audit] INFO : operation: permitted; user: root;
> client: 10.200.30.47:57222; action: scan; targetTable: ClassLoaderIT_test0;
> authorizations: ; range: (-inf,+inf); columns: []; iterators: [];
> iteratorOptions: {};
> 2017-03-07 12:58:46,309 [Audit] INFO : operation: permitted; user: root;
> client: 10.200.30.47:57222; action: authenticate;
> 2017-03-07 12:58:46,312 [iterators.IteratorUtil] ERROR:
> java.lang.ClassNotFoundException:
> org.apache.accumulo.test.functional.TestCombiner
> 2017-03-07 12:58:46,312 [scan.NextBatchTask] WARN : exception while scanning
> tablet 1<<
> java.io.IOException: java.lang.ClassNotFoundException:
> org.apache.accumulo.test.functional.TestCombiner
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadIterators(IteratorUtil.java:273)
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadIterators(IteratorUtil.java:237)
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadIterators(IteratorUtil.java:218)
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadIterators(IteratorUtil.java:205)
> at
> org.apache.accumulo.tserver.tablet.ScanDataSource.createIterator(ScanDataSource.java:193)
> at
> org.apache.accumulo.tserver.tablet.ScanDataSource.iterator(ScanDataSource.java:127)
> at
> org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:180)
> at
> org.apache.accumulo.tserver.tablet.Tablet.nextBatch(Tablet.java:880)
> at org.apache.accumulo.tserver.tablet.Scanner.read(Scanner.java:98)
> at
> org.apache.accumulo.tserver.scan.NextBatchTask.run(NextBatchTask.java:69)
> at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at
> org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.accumulo.test.functional.TestCombiner
> at
> org.apache.commons.vfs2.impl.VFSClassLoader.findClass(VFSClassLoader.java:178)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at
> org.apache.accumulo.start.classloader.vfs.AccumuloVFSClassLoader.loadClass(AccumuloVFSClassLoader.java:110)
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadClass(IteratorUtil.java:293)
> at
> org.apache.accumulo.core.iterators.IteratorUtil.loadIterators(IteratorUtil.java:258)
> ... 14 more
> {noformat}
> Appears that commons-vfs-2.1 is still busted.
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