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Posted to commits@cassandra.apache.org by "Michael Semb Wever (Jira)" <ji...@apache.org> on 2021/04/11 08:40:00 UTC
[jira] [Commented] (CASSANDRA-16587) flaky
AntiCompactionBytemanTest.testRedundantTransitions byteman Connection
refused
[ https://issues.apache.org/jira/browse/CASSANDRA-16587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17318694#comment-17318694 ]
Michael Semb Wever commented on CASSANDRA-16587:
------------------------------------------------
Our unit tests, those that use byteman, depend on the byteman agent's default listening port on the internal server the test prepares and uses.
This is another example of where out unit tests don't support parallelism (parallel JVMs).
> flaky AntiCompactionBytemanTest.testRedundantTransitions byteman Connection refused
> -----------------------------------------------------------------------------------
>
> Key: CASSANDRA-16587
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16587
> Project: Cassandra
> Issue Type: Bug
> Components: Test/unit
> Reporter: Michael Semb Wever
> Priority: Normal
> Fix For: 4.0.x
>
>
> Failing occasionally with
> {noformat}
> java.net.ConnectException: Connection refused (Connection refused)
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> at java.net.Socket.connect(Socket.java:607)
> at java.net.Socket.connect(Socket.java:556)
> at java.net.Socket.<init>(Socket.java:452)
> at java.net.Socket.<init>(Socket.java:229)
> at org.jboss.byteman.agent.submit.Submit$Comm.<init>(Submit.java:881)
> at org.jboss.byteman.agent.submit.Submit.submitRequest(Submit.java:787)
> at org.jboss.byteman.agent.submit.Submit.addScripts(Submit.java:603)
> at org.jboss.byteman.contrib.bmunit.BMUnit.loadScriptText(BMUnit.java:291)
> at org.jboss.byteman.contrib.bmunit.BMUnitRunner$9.evaluate(BMUnitRunner.java:362)
> at org.jboss.byteman.contrib.bmunit.BMUnitRunner$6.evaluate(BMUnitRunner.java:263)
> at org.jboss.byteman.contrib.bmunit.BMUnitRunner$1.evaluate(BMUnitRunner.java:97)
> {noformat}
> Looking through the [logs |https://nightlies.apache.org/cassandra/trunk/Cassandra-trunk-test-cdc/650/Cassandra-trunk-test-cdc/jdk=jdk_11_latest,label=cassandra,split=6/build/test/logs/cdc/TEST-org.apache.cassandra.db.compaction.AntiCompactionBytemanTest.log.xz] this correlates to
> {noformat}
> Setting org.jboss.byteman.allow.config.update=true
> TransformListener() : unexpected exception opening server socket java.net.BindException: Address already in use (Bind failed)
> java.net.BindException: Address already in use (Bind failed)
> at java.net.PlainSocketImpl.socketBind(Native Method)
> at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
> at java.net.ServerSocket.bind(ServerSocket.java:390)
> at java.net.ServerSocket.bind(ServerSocket.java:344)
> at org.jboss.byteman.agent.TransformListener.initialize(TransformListener.java:81)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.jboss.byteman.agent.Main.premain(Main.java:286)
> at org.jboss.byteman.agent.Main.agentmain(Main.java:309)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
> at sun.instrument.InstrumentationImpl.loadClassAndCallAgentmain(InstrumentationImpl.java:411)
> {noformat}
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