David Handermann created NIFI-10277:
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Summary: Intermittent Failures in ConnectionLoadBalanceServerTest
Key: NIFI-10277
URL: https://issues.apache.org/jira/browse/NIFI-10277
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: David Handermann
Assignee: David Handermann
The {{ConnectionLoadBalanceServerTest}} fails intermittently on automated
builds, including the recent failure on a Windows build:
{noformat}
Error:
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServerTest.testRequestPeerListShouldUseTLS
Time elapsed: 0.748 s <<< ERROR!
java.io.IOException: Could not begin listening for incoming connections in
order to load balance data across the cluster. Please verify the values of the
'nifi.cluster.load.balance.port' and 'nifi.cluster.load.balance.host'
properties as well as the 'nifi.security.*' properties
at
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer.start(ConnectionLoadBalanceServer.java:86)
at
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer$start.call(Unknown
Source)
at
org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130)
at
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServerTest.testRequestPeerListShouldUseTLS(ConnectionLoadBalanceServerTest.groovy:77)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at
org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:42)
at
org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:80)
at
org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:72)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
at
org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)
at
org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)
at
org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)
at
org.apache.maven.surefire.junitplatform.LazyLauncher.execute(LazyLauncher.java:55)
at
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.execute(JUnitPlatformProvider.java:223)
at
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invokeAllTests(JUnitPlatformProvider.java:175)
at
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invoke(JUnitPlatformProvider.java:139)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:456)
at
org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:169)
at
org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:595)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:581)
Caused by: java.net.BindException: Address already in use: JVM_Bind
at java.net.DualStackPlainSocketImpl.bind0(Native Method)
at
java.net.DualStackPlainSocketImpl.socketBind(DualStackPlainSocketImpl.java:106)
at
java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:190)
at java.net.ServerSocket.bind(ServerSocket.java:395)
at java.net.ServerSocket.<init>(ServerSocket.java:257)
at javax.net.ssl.SSLServerSocket.<init>(SSLServerSocket.java:181)
at
sun.security.ssl.SSLServerSocketImpl.<init>(SSLServerSocketImpl.java:78)
at
sun.security.ssl.SSLServerSocketFactoryImpl.createServerSocket(SSLServerSocketFactoryImpl.java:87)
at
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer.createServerSocket(ConnectionLoadBalanceServer.java:120)
at
org.apache.nifi.controller.queue.clustered.server.ConnectionLoadBalanceServer.start(ConnectionLoadBalanceServer.java:84)
{noformat}
Among potential improvements, the test class uses a static port number, which
should be changed to a dynamic available port number for better stability.
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