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Posted to commits@cassandra.apache.org by "Venkata Harikrishna Nukala (JIRA)" <ji...@apache.org> on 2019/06/17 09:42:00 UTC
[jira] [Created] (CASSANDRA-15165) Reference-Reaper detected leak
while running FramingTest unit test cases
Venkata Harikrishna Nukala created CASSANDRA-15165:
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Summary: Reference-Reaper detected leak while running FramingTest unit test cases
Key: CASSANDRA-15165
URL: https://issues.apache.org/jira/browse/CASSANDRA-15165
Project: Cassandra
Issue Type: Bug
Components: Test/unit
Reporter: Venkata Harikrishna Nukala
Assignee: Venkata Harikrishna Nukala
Reference-Reaper detected leak while running FramingTest unit test cases. Here are the leak details:
{code}
[junit-timeout] ERROR [Reference-Reaper] 2019-06-17 01:44:53,812 Ref.java:228 - LEAK DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@15460327) to @876994034 was not released before the reference was garbage collected
[junit-timeout] ERROR [Reference-Reaper] 2019-06-17 01:44:53,812 Ref.java:259 - Allocate trace org.apache.cassandra.utils.concurrent.Ref$State@15460327:
[junit-timeout] Thread[main,5,main]
[junit-timeout] at java.lang.Thread.getStackTrace(Thread.java:1559)
[junit-timeout] at org.apache.cassandra.utils.concurrent.Ref$Debug.<init>(Ref.java:249)
[junit-timeout] at org.apache.cassandra.utils.concurrent.Ref$State.<init>(Ref.java:179)
[junit-timeout] at org.apache.cassandra.utils.concurrent.Ref.<init>(Ref.java:101)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$Chunk.setAttachment(BufferPool.java:960)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$Chunk.set(BufferPool.java:1100)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$Chunk.get(BufferPool.java:1090)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGetInternal(BufferPool.java:721)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$LocalPool.tryGet(BufferPool.java:706)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$LocalPool.get(BufferPool.java:656)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool$LocalPool.access$000(BufferPool.java:535)
[junit-timeout] at org.apache.cassandra.utils.memory.BufferPool.getAtLeast(BufferPool.java:129)
[junit-timeout] at org.apache.cassandra.net.FramingTest.sequenceOfMessages(FramingTest.java:413)
[junit-timeout] at org.apache.cassandra.net.FramingTest.testRandomSequenceOfMessages(FramingTest.java:265)
[junit-timeout] at org.apache.cassandra.net.FramingTest.testSomeMessages(FramingTest.java:259)
[junit-timeout] at org.apache.cassandra.net.FramingTest.testRandomLegacy(FramingTest.java:243)
[junit-timeout] at org.apache.cassandra.net.FramingTest.testRandomLegacy(FramingTest.java:234)
[junit-timeout] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[junit-timeout] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[junit-timeout] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[junit-timeout] at java.lang.reflect.Method.invoke(Method.java:498)
[junit-timeout] at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
[junit-timeout] at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[junit-timeout] at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
[junit-timeout] at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
[junit-timeout] at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
[junit-timeout] at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
[junit-timeout] at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
[junit-timeout] at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
[junit-timeout] at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
[junit-timeout] at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
[junit-timeout] at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
[junit-timeout] at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
[junit-timeout] at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
[junit-timeout] at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
[junit-timeout] at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
[junit-timeout] at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:38)
[junit-timeout] at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:534)
[junit-timeout] at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1196)
[junit-timeout] at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:1041)
{code}
“sliceAndConsume" method of ShareableBytes increases reference count. Reference acquired testRandomSequenceOfMessages method is not released which is causing the leak.
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