[ https://issues.apache.org/jira/browse/HBASE-10542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Enis Soztutar resolved HBASE-10542. ----------------------------------- Resolution: Cannot Reproduce Fix Version/s: (was: 0.99.0) We did not see this recently. > ConcurrentModificationException in TestHTraceHooks > -------------------------------------------------- > > Key: HBASE-10542 > URL: https://issues.apache.org/jira/browse/HBASE-10542 > Project: HBase > Issue Type: Bug > Reporter: Enis Soztutar > > I got this in one of my test runs: > {code} > <error > type="java.util.ConcurrentModificationException">java.util.ConcurrentModificationException > at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894) > at java.util.HashMap$KeyIterator.next(HashMap.java:928) > at org.cloudera.htrace.TraceTree.<init>(TraceTree.java:48) > at > org.apache.hadoop.hbase.trace.TestHTraceHooks.testTraceCreateTable(TestHTraceHooks.java:118) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > 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) > {code} > It looks like TraceTree ctor, clones the spans collection, but iterates over > the original argument, rather than cloned. > I don't know enough of HTrace to fix it, so just reporting it here. [~eclark] > FYI. -- This message was sent by Atlassian JIRA (v6.3.4#6332)