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org.infinispan.server.memcached.MemcachedClusteredStatsTest.testSingleConnectionPerServer test fails periodically on RHEL6_x86 and RHEL6_x86_64 - JDK7, IBM JDK7 & OpenJDK7. The test also fails on Windows 2008 64 bit with Oracle JDK 7. You can find the test failures here: https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/edg-60-ispn-testsuite-rhel/jdk=openjdk-1.7.0-local,label=RHEL6_x86_64/55/testReport/org.infinispan.server.memcached/MemcachedClusteredStatsTest/testSingleConnectionPerServer/ https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/edg-60-ispn-testsuite-rhel/jdk=java17_default,label=RHEL6_x86/54/testReport/org.infinispan.server.memcached/MemcachedClusteredStatsTest/testSingleConnectionPerServer/
The error is the following: Error Message Unknown attribute 'NumberOfGlobalConnections'. Known attributes names are: [port, numberWorkerThreads, receiveBufferSize, totalBytesRead, numberOfGlobalConnections, idleTimeout, totalBytesWritten, hostName, numberOfLocalConnections, sendBufferSize, tpcNoDelay] Stacktrace javax.management.AttributeNotFoundException: Unknown attribute 'NumberOfGlobalConnections'. Known attributes names are: [port, numberWorkerThreads, receiveBufferSize, totalBytesRead, numberOfGlobalConnections, idleTimeout, totalBytesWritten, hostName, numberOfLocalConnections, sendBufferSize, tpcNoDelay] at org.infinispan.jmx.ResourceDMBean.getAttribute(ResourceDMBean.java:201) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647) at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:668) at org.infinispan.server.core.ConnectionStatsTests$.testGlobalConnections(ConnectionStatsTests.scala:68) at org.infinispan.server.memcached.MemcachedClusteredStatsTest.testSingleConnectionPerServer(MemcachedClusteredStatsTest.scala:61) 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.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80) at org.testng.internal.Invoker.invokeMethod(Invoker.java:715) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:907) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1237) at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127) at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111) at org.testng.TestRunner.privateRun(TestRunner.java:767) at org.testng.TestRunner.run(TestRunner.java:617) at org.testng.SuiteRunner.runTest(SuiteRunner.java:334) at org.testng.SuiteRunner.access$000(SuiteRunner.java:37) at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:368) at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)
Tristan Tarrant <ttarrant@redhat.com> made a comment on jira ISPN-2543 The real issue here is that NettyTransport.calculateGlobalConnections() is timing out while running the distributed executor to fetch connection counts from all nodes
Tristan Tarrant <ttarrant@redhat.com> made a comment on jira ISPN-2543 The issue is caused by a deadlock while invoking ResourceDMBean.getNamedAttribute() which is synchronized. This method was made synchronized after ISPN-1135 but I don't know why it should be