[ACCUMULO-4601] ClassLoaderIT is flakey due to missing JAR update

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 1.7.3
• Component/s: test
• Assignee: Unassigned
• Reporter: Josh Elser
• Created: 07/Mar/17 18:28
• Updated: 30/Jul/19 06:23
• Resolved: 30/Jul/19 06:23

Description

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)

The TabletServer appears to have never seen the update and reloaded the VFS classloader

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

Appears that commons-vfs-2.1 is still busted.