[jboss-jira] [JBoss JIRA] Created: (JGRP-616) NullPointerException in Multiplexer.java

[Robert Newson (JIRA)]

NullPointerException in Multiplexer.java
----------------------------------------

                 Key: JGRP-616
                 URL: http://jira.jboss.com/jira/browse/JGRP-616
             Project: JGroups
          Issue Type: Bug
    Affects Versions: 2.6
         Environment: Debian Etch,
Java HotSpot(TM) Server VM (build 1.6.0_01-b06, mixed mode), 
Version:      2.6.0 cr-1
CVS:          $Id: Version.java,v 1.58 2007/10/26 21:34:01 rachmatowicz Exp $
            Reporter: Robert Newson
         Assigned To: Bela Ban


When starting 4 servers, which each join 8 different ReplicatedHashMaps over a multiplexed channel, we frequently get this;

2007-11-03 09:39:48,774 ERROR [STREAMING_STATE_TRANSFER sender,udp,192.168.164.227:33709] log.GeronimoLog (GeronimoLog.java:108) - failed returning the application state, will return null
java.lang.IllegalArgumentException: State provider 192.168.164.227:33709 does not have service with id space
        at org.jgroups.mux.Multiplexer.handleStateRequest(Multiplexer.java:640)
        at org.jgroups.mux.Multiplexer.up(Multiplexer.java:365)
        at org.jgroups.JChannel.up(JChannel.java:1147)
        at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:341)
        at org.jgroups.protocols.pbcast.FLUSH.up(FLUSH.java:428)
        at org.jgroups.protocols.pbcast.STREAMING_STATE_TRANSFER$StateProviderHandler.process(STREAMING_STATE_TRANSFER.java:731)
        at org.jgroups.protocols.pbcast.STREAMING_STATE_TRANSFER$StateProviderThreadSpawner$1.run(STREAMING_STATE_TRANSFER.java:648)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at java.lang.Thread.run(Thread.java:619)

This is using the following stacks.xml;

<protocol_stacks>
  <stack name="udp">
    <config>
      <UDP
	  mcast_addr="${jgroups.udp.mcast_addr}"
	  mcast_port="${jgroups.udp.mcast_port}"
	  tos="8"
	  ucast_recv_buf_size="20000000"
	  ucast_send_buf_size="640000"
	  mcast_recv_buf_size="25000000"
	  mcast_send_buf_size="640000"
	  loopback="false"
	  discard_incompatible_packets="true"
	  max_bundle_size="64000"
	  max_bundle_timeout="30"
	  use_incoming_packet_handler="true"
	  ip_ttl="${jgroups.udp.ip_ttl:32}"
	  enable_bundling="true"
	  enable_diagnostics="false"
	  thread_naming_pattern="cl"
	  use_concurrent_stack="true"
	  thread_pool.enabled="true"
	  thread_pool.min_threads="1"
	  thread_pool.max_threads="25"
	  thread_pool.keep_alive_time="5000"
	  thread_pool.queue_enabled="false"
	  thread_pool.queue_max_size="100"
	  thread_pool.rejection_policy="Run"
	  oob_thread_pool.enabled="true"
	  oob_thread_pool.min_threads="1"
	  oob_thread_pool.max_threads="8"
	  oob_thread_pool.keep_alive_time="5000"
	  oob_thread_pool.queue_enabled="false"
	  oob_thread_pool.queue_max_size="100"
	  oob_thread_pool.rejection_policy="Run"/>
      <PING timeout="${jgroups.ping.timeout:15000}"
	    num_initial_members="${jgroups.ping.num_initial_members:32}"/>
      <MERGE2 max_interval="30000"
	      min_interval="10000"/>
      <FD_SOCK/>
      <FD timeout="10000" max_tries="5" shun="true"/>
      <VERIFY_SUSPECT timeout="1500" />
      <BARRIER />
      <pbcast.NAKACK
	  use_mcast_xmit="false" gc_lag="10"
	  retransmit_timeout="300,600,1200,2400,4800"
	  discard_delivered_msgs="true"/>
      <UNICAST timeout="300,600,1200,2400,3600"/>
      <pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
		     max_bytes="400000"/>
      <VIEW_SYNC avg_send_interval="60000"  />
      <pbcast.GMS print_local_addr="false" join_timeout="10000"
		  join_retry_timeout="2000" shun="true"
		  view_bundling="true" view_ack_collection_timeout="5000"/>
      <FC max_credits="20000000"
	  min_threshold="0.10"/>
      <FRAG2 frag_size="60000" />
      <pbcast.STREAMING_STATE_TRANSFER />
      <pbcast.FLUSH timeout="0"/>
    </config>  
  </stack>
</protocol_stacks>



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