[ https://issues.apache.org/jira/browse/GEODE-7043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sarah Abbey resolved GEODE-7043. -------------------------------- Resolution: Duplicate > Session cache throws NPE during startup if no servers are available > ------------------------------------------------------------------- > > Key: GEODE-7043 > URL: https://issues.apache.org/jira/browse/GEODE-7043 > Project: Geode > Issue Type: Bug > Components: http session > Reporter: Bruce J Schuchardt > Priority: Minor > > While writing a rolling-upgrade test I accidentally started a client session > state cache using v1.9 when no servers were available. The client > encountered an NPE and threw a FunctionException. > {noformat} > org.apache.geode.test.dunit.RMIException: While invoking > org.apache.geode.modules.util.ClientServerSessionCacheDUnitTest$$Lambda$30/262445056.run > in VM 3 running on Host localhost with 4 VMs with version 190 > at org.apache.geode.test.dunit.VM.executeMethodOnObject(VM.java:579) > at org.apache.geode.test.dunit.VM.invoke(VM.java:406) > at > org.apache.geode.modules.util.ClientServerSessionCacheDUnitTest.performARollingUpgrade(ClientServerSessionCacheDUnitTest.java:152) > 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:50) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) > at > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) > at > org.apache.geode.test.dunit.rules.AbstractDistributedRule$1.evaluate(AbstractDistributedRule.java:59) > at > org.apache.geode.test.dunit.rules.AbstractDistributedRule$1.evaluate(AbstractDistributedRule.java:59) > at > org.apache.geode.test.dunit.rules.AbstractDistributedRule$1.evaluate(AbstractDistributedRule.java:59) > at org.junit.rules.RunRules.evaluate(RunRules.java:20) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) > at > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) > at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) > Caused by: org.apache.geode.cache.execute.FunctionException: > java.lang.NullPointerException > at > org.apache.geode.internal.cache.execute.ServerFunctionExecutor.executeOnServer(ServerFunctionExecutor.java:157) > at > org.apache.geode.internal.cache.execute.ServerFunctionExecutor.executeFunction(ServerFunctionExecutor.java:125) > at > org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:398) > at > org.apache.geode.modules.session.catalina.ClientServerSessionCache.bootstrapServers(ClientServerSessionCache.java:159) > at > org.apache.geode.modules.session.catalina.ClientServerSessionCache.initialize(ClientServerSessionCache.java:62) > at > org.apache.geode.modules.util.ClientServerSessionCacheDUnitTest.startClientSessionCacheWithPort(ClientServerSessionCacheDUnitTest.java:458) > at > org.apache.geode.modules.util.ClientServerSessionCacheDUnitTest.startClientSessionCache(ClientServerSessionCacheDUnitTest.java:441) > 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.apache.geode.test.dunit.internal.MethodInvoker.executeObject(MethodInvoker.java:123) > at > org.apache.geode.test.dunit.internal.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:69) > 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.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) > at sun.rmi.transport.Transport$1.run(Transport.java:200) > at sun.rmi.transport.Transport$1.run(Transport.java:197) > at java.security.AccessController.doPrivileged(Native Method) > at sun.rmi.transport.Transport.serviceCall(Transport.java:196) > at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) > at java.security.AccessController.doPrivileged(Native Method) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.lang.NullPointerException > at > org.apache.geode.cache.client.internal.ExecuteFunctionOp.constructAndGetFunctionTasks(ExecuteFunctionOp.java:339) > at > org.apache.geode.cache.client.internal.ExecuteFunctionOp.execute(ExecuteFunctionOp.java:85) > at > org.apache.geode.internal.cache.execute.ServerFunctionExecutor.executeOnServer(ServerFunctionExecutor.java:145) > ... 29 more > {noformat} -- This message was sent by Atlassian Jira 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