[jboss-jira] [JBoss JIRA] (WFLY-7921) JGRP000225: failed unmarshalling buffer into return value: NPE (ASYM_ENCRYPT + TCP, during server startup)

[Michal Vinkler (JIRA)]

Michal Vinkler created WFLY-7921:
------------------------------------

             Summary: JGRP000225: failed unmarshalling buffer into return value: NPE (ASYM_ENCRYPT + TCP, during server startup)
                 Key: WFLY-7921
                 URL: https://issues.jboss.org/browse/WFLY-7921
             Project: WildFly
          Issue Type: Bug
          Components: Clustering
            Reporter: Michal Vinkler
            Assignee: Paul Ferraro


Scenario: failover clustering test with enabled "AUTH" and "ASYM_ENCRYPT" protocols + JGrpous default stack set to *TCP*. This issue doesn't occur when using UDP stack.

{code:xml|title=TCP stack configuration}
<stack name="tcp">
    <transport type="TCP" socket-binding="jgroups-tcp"/>
    <protocol type="MPING" socket-binding="jgroups-mping"/>
    <protocol type="MERGE3"/>
    <protocol type="FD_SOCK" socket-binding="jgroups-tcp-fd"/>
    <protocol type="FD"/>
    <protocol type="VERIFY_SUSPECT"/>
    <protocol type="ASYM_ENCRYPT">
      <property name="encrypt_entire_message">false</property>
      <property name="sym_keylength">128</property>
      <property name="sym_algorithm">AES/ECB/PKCS5Padding</property>
      <property name="asym_keylength">512</property>
      <property name="asym_algorithm">RSA</property>
    </protocol>
    <protocol type="pbcast.NAKACK2"/>
    <protocol type="UNICAST3"/>
    <protocol type="pbcast.STABLE"/>
    <protocol type="AUTH"> 
      <property name="auth_class">org.jgroups.auth.MD5Token</property>
      <property name="auth_value">jdgservercluster</property>
      <property name="token_hash">MD5</property>
    </protocol>
    <protocol type="pbcast.GMS"/>
    <protocol type="MFC"/>
    <protocol type="FRAG2"/>
</stack>
{code}

During servers startup, after receiving a new cluster view, one of the servers usually logs this error message:

{code}
08:35:36,707 ERROR [org.jgroups.blocks.RequestCorrelator] (thread-1,ee,node2) JGRP000225: failed unmarshalling buffer into return value: java.lang.NullPointerException
        at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:70)                                                                                                                                                                                                 
        at java.nio.ByteBuffer.wrap(ByteBuffer.java:373)                                                                                                                                                                                                          
        at org.jboss.as.clustering.infinispan.ChannelFactoryTransport$1.objectFromBuffer(ChannelFactoryTransport.java:81)
        at org.jgroups.blocks.RequestCorrelator.dispatch(RequestCorrelator.java:419)
        at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:357)
        at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:245)
        at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:664)
        at org.jgroups.JChannel.up(JChannel.java:738)
        at org.jgroups.fork.ForkProtocolStack.up(ForkProtocolStack.java:120)
        at org.jgroups.stack.Protocol.up(Protocol.java:380)
        at org.jgroups.protocols.FORK.up(FORK.java:114)
        at org.jgroups.protocols.FRAG2.up(FRAG2.java:165)
        at org.jgroups.protocols.FlowControl.up(FlowControl.java:390)
        at org.jgroups.protocols.pbcast.GMS.up(GMS.java:1037)
        at org.jgroups.protocols.AUTH.up(AUTH.java:150)
        at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:234)
        at org.jgroups.protocols.UNICAST3.deliverMessage(UNICAST3.java:1077)
        at org.jgroups.protocols.UNICAST3.handleDataReceived(UNICAST3.java:792)
        at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:433)
        at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:649)
        at org.jgroups.protocols.EncryptBase.handleEncryptedMessage(EncryptBase.java:242)
        at org.jgroups.protocols.EncryptBase.handleUpMessage(EncryptBase.java:227)
        at org.jgroups.protocols.EncryptBase.up(EncryptBase.java:150)
        at org.jgroups.protocols.ASYM_ENCRYPT.up(ASYM_ENCRYPT.java:116)
        at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:155)
        at org.jgroups.protocols.FD.up(FD.java:260)
        at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:325)
        at org.jgroups.protocols.MERGE3.up(MERGE3.java:292)
        at org.jgroups.protocols.Discovery.up(Discovery.java:296)
        at org.jgroups.protocols.MPING.up(MPING.java:178)
        at org.jgroups.protocols.TP.passMessageUp(TP.java:1657)
        at org.jgroups.protocols.TP$SingleMessageHandler.run(TP.java:1873)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.jboss.as.clustering.jgroups.ClassLoaderThreadFactory.lambda$newThread$0(ClassLoaderThreadFactory.java:52)
        at org.jboss.as.clustering.jgroups.ClassLoaderThreadFactory$$Lambda$547/364315896.run(Unknown Source)
        at java.lang.Thread.run(Thread.java:745)
{code}



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