[infinispan-issues] [JBoss JIRA] (ISPN-6685) Hot Rod server failed to start due to NPE in PersistenceManagerImpl.preload()

[Gustavo Fernandes (JIRA)]

Gustavo Fernandes created ISPN-6685:
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             Summary: Hot Rod server failed to start due to NPE in PersistenceManagerImpl.preload()
                 Key: ISPN-6685
                 URL: https://issues.jboss.org/browse/ISPN-6685
             Project: Infinispan
          Issue Type: Bug
          Components: Server
    Affects Versions: 9.0.0.Alpha2
            Reporter: Gustavo Fernandes


This occurs intermittently during the Spark connector testsuite, that starts 3 servers in parallel. The HotRod server fails to start with error:

{noformat}
2016-05-19 19:31:21,976 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([
    ("subsystem" => "datagrid-infinispan-endpoint"),
    ("hotrod-connector" => "hotrod-connector")
]) - failure description: {"WFLYCTL0080: Failed services" => {"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
    Caused by: org.infinispan.commons.CacheException: Unable to invoke method public void org.infinispan.persistence.manager.PersistenceManagerImpl.preload() on object of type PersistenceManagerImpl
    Caused by: org.infinispan.persistence.spi.PersistenceException: Execution exception!
    Caused by: java.util.concurrent.ExecutionException: org.infinispan.persistence.spi.PersistenceException: Unable to preload!
    Caused by: org.infinispan.persistence.spi.PersistenceException: Unable to preload!
    Caused by: java.lang.NullPointerException"}}
2016-05-19 19:31:22,037 INFO  [org.jboss.as.controller] (Controller Boot Thread) WFLYCTL0183: Service status report
WFLYCTL0186:   Services which 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

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