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

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: Vladimir Blagojevic Fix For: 2.6 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>