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  1. Infinispan
  2. ISPN-9563

Intermittent NPE when starting the server

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    • Core, Server
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      Sometime the server throws NPE when starting due to missing components in the internal component registry. One of the exceptions is:

      2018-09-27 14:14:43,163 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC000001: Failed to start service jboss.datagrid-infinispan-endpoint.hotrod.hotrod-connector: org.jboss.msc.service.StartException in service jboss.datagrid-infinispan-endpoint.hotrod.hotrod-connector: DGENDPT10004: Failed to start HotRodServer
              at org.infinispan.server.endpoint.subsystem.ProtocolServerService.start(ProtocolServerService.java:160)
              at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1736)
              at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1698)
              at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1556)
              at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
              at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
              at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
              at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
              at java.lang.Thread.run(Thread.java:748)
      Caused by: java.lang.NullPointerException
              at org.infinispan.counter.EmbeddedCounterManagerFactory.asCounterManager(EmbeddedCounterManagerFactory.java:28)
              at org.infinispan.server.hotrod.HotRodServer.startInternal(HotRodServer.java:236)
              at org.infinispan.server.hotrod.HotRodServer.startInternal(HotRodServer.java:108)
              at org.infinispan.server.core.AbstractProtocolServer.start(AbstractProtocolServer.java:79)
              at org.infinispan.server.endpoint.subsystem.SecurityActions$6.run(SecurityActions.java:136)
              at org.infinispan.server.endpoint.subsystem.SecurityActions$6.run(SecurityActions.java:133)
              at org.infinispan.security.Security.doPrivileged(Security.java:44)
              at org.infinispan.server.endpoint.subsystem.SecurityActions.doPrivileged(SecurityActions.java:42)
              at org.infinispan.server.endpoint.subsystem.SecurityActions.startProtocolServer(SecurityActions.java:140)
              at org.infinispan.server.endpoint.subsystem.ProtocolServerService.startProtocolServer(ProtocolServerService.java:194)
              at org.infinispan.server.endpoint.subsystem.ProtocolServerService.start(ProtocolServerService.java:152)
              ... 8 more
      

      This was due to the fact that the ModuleLifecycle from the several modules in the server are sometimes simply ignored.

      The cause is a WeakReference<ClassLoader> present in org.infinispan.configuration.global.GlobalConfiguration that sometimes is null and when the GlobalConfigurationRegistry is started, the Classloader used will default to Thread.currentThread().getContextClassLoader() that cannot detect the Lifecycle implementations

              dberinde@redhat.com Dan Berindei (Inactive)
              gfernand@redhat.com Gustavo Fernandes (Inactive)
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                Created:
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