JBC 2.1CR4 and JGroups 2.6.1, Tomcat/Linux. Initial state transfer fails when
the number of nodes increases over 100, when a cache loader is used (either
jdbm or berkeley db.) If there are 100 or so or fewer nodes, or no cache
loader, state transfer is successful.
The following log messages are received:
dev2|DEBUG|2008-03-17 20:42:05,766 Incoming,xxcid,192.168.3.204:5265
9|handler|org.jgroups.protocols.pbcast.STREAMING_STATE_TRANSFER|||
STATE_TRANSFER_INPUTSTREAM_CLOSED received,passing down a RESUME_STABLE event
dev2|ERROR|2008-03-17 20:42:05,767 Incoming,xxcid,192.168.3.204:5265
9|handler|org.jgroups.protocols.pbcast.NAKACK|||sender 192.168.2.235:34532
not found in xmit_table
dev2|ERROR|2008-03-17 20:42:05,767 Incoming,xxcid,192.168.3.204:5265
9|handler|org.jgroups.protocols.pbcast.NAKACK|||range is null
dev2|ERROR|2008-03-17 20:42:05,767 Incoming,xxcid,192.168.3.204:5265
9|handler|org.jgroups.protocols.pbcast.NAKACK|||sender 192.168.3.204:52659
not found in xmit_table
dev2|ERROR|2008-03-17 20:42:05,767 Incoming,xxcid,192.168.3.204:5265
9|handler|org.jgroups.protocols.pbcast.NAKACK|||range is null
And then the following exceptions occur shortly:
org.jboss.cache.CacheException: Unable to fetch state on startup
at org.jboss.cache.RPCManagerImpl.start(RPCManagerImpl.java:146)
at org.jboss.cache.CacheImpl.startManualComponents(CacheImpl.java:439)
at org.jboss.cache.CacheImpl.internalStart(CacheImpl.java:410)
at org.jboss.cache.CacheImpl.start(CacheImpl.java:344)
at org.jboss.cache.invocation.CacheInvocationDelegate.start(CacheInvocat
ionDelegate.java:256)
at org.jboss.cache.DefaultCacheFactory.createCache(DefaultCacheFactory.j
ava:96)
at org.jboss.cache.DefaultCacheFactory.createCache(DefaultCacheFactory.j
ava:68)
at org.jboss.cache.DefaultCacheFactory.createCache(DefaultCacheFactory.j
ava:61) ...
Caused by: org.jgroups.StateTransferException: 192.168.3.204:52659 could not
fetch state null from null
at org.jgroups.JChannel.connect(JChannel.java:453)
at rg.jboss.cache.RPCManagerImpl.start(RPCManagerImpl.java:134)
... 60 more
Caused by: org.jgroups.StateTransferException: 192.168.3.204:52659 could not
fetch state null from null
at org.jgroups.JChannel.connect(JChannel.java:446)
... 61 more
JBC config file:
READ_UNCOMMITTED
REPL_ASYNC
xxcid
<UDP mcast_addr="228.8.8.199"
mcast_port="45199" bind_addr="192.168.2.235" />
<PING timeout="2000" num_initial_members="3"/>
<MERGE2 max_interval="3000000"
min_interval="10000"/>
<FD timeout="10000" max_tries="5" shun="true"/>
<VERIFY_SUSPECT timeout="15000"/>
<pbcast.NAKACK use_mcast_xmit="false"
gc_lag="0" retransmit_timeout="3000,6000,12000,24000,48000"
discard_delivered_msgs="true"/>
<pbcast.STABLE stability_delay="10000"
desired_avg_gossip="0" max_bytes="40000000"/>
<pbcast.GMS print_local_addr="true"
join_timeout="5000000" shun="false" view_bundling="true"
view_ack_collection_timeout="5000000"/>
<FC max_credits="20000000"
min_threshold="0.10"/>
<FRAG2 frag_size="60000"/>
<pbcast.STREAMING_STATE_TRANSFER />
<!-- <pbcast.STATE_TRANSFER/> -->
true
5000000
5000000
15000
5
30000000
org.jboss.cache.eviction.LFUPolicy
10000
0
350000
0
10
0
10
0
<!-- Cache loader config block -->
false
false
org.jboss.cache.loader.bdbje.BdbjeCacheLoader
true
true
false
false
location=./
Any help is greatly appreciated! Thanks very much.
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