[infinispan-issues] [JBoss JIRA] (ISPN-7274) Hot Rod server fail to start with java.lang.IllegalStateException: failed to create a child event loop

[Gustavo Fernandes (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-7274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13333011#comment-13333011 ] 

Gustavo Fernandes commented on ISPN-7274:
-----------------------------------------

Happens intermittently. Failure:


{noformat}
2016-12-02 11:51:44,776 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7) 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:163)
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: failed to create a child event loop
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:81)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:48)
        at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:57)
        at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:93)
        at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:80)
        at io.netty.channel.epoll.EpollEventLoopGroup.<init>(EpollEventLoopGroup.java:61)
        at org.infinispan.server.core.transport.NettyTransport.buildEventLoop(NettyTransport.java:268)
        at org.infinispan.server.core.transport.NettyTransport.<init>(NettyTransport.java:96)
        at org.infinispan.server.core.AbstractProtocolServer.startTransport(AbstractProtocolServer.java:70)
        at org.infinispan.server.hotrod.HotRodServer.startTransport(HotRodServer.scala:174)
        at org.infinispan.server.core.AbstractProtocolServer.startInternal(AbstractProtocolServer.java:54)
        at org.infinispan.server.hotrod.HotRodServer.startInternal(HotRodServer.scala:112)
        at org.infinispan.server.hotrod.HotRodServer.startInternal(HotRodServer.scala:52)
        at org.infinispan.server.core.AbstractProtocolServer.start(AbstractProtocolServer.java:61)
        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:76)
        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:197)
        at org.infinispan.server.endpoint.subsystem.ProtocolServerService.start(ProtocolServerService.java:155)
        ... 5 more
Caused by: java.lang.NullPointerException
        at io.netty.channel.epoll.EpollEventLoop.<init>(EpollEventLoop.java:112)
        at io.netty.channel.epoll.EpollEventLoopGroup.newChild(EpollEventLoopGroup.java:108)
        at io.netty.channel.epoll.EpollEventLoopGroup.newChild(EpollEventLoopGroup.java:32)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:77)
        ... 25 more
{noformat}


> Hot Rod server fail to start with java.lang.IllegalStateException: failed to create a child event loop
> ------------------------------------------------------------------------------------------------------
>
>                 Key: ISPN-7274
>                 URL: https://issues.jboss.org/browse/ISPN-7274
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 9.0.0.Alpha4
>            Reporter: Gustavo Fernandes
>




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