Here are some more details of what's happening. I'm running JBoss 4.0.3 with
JBossCache 1.2.4. I have four servers configured named node0, node1, node2,
and node3. They all run the following code:
| TreeCacheMBean cacheMBean = findCache();
|
| TransactionManager txn = cacheMBean.getTransactionManager();
| txn.begin();
|
| String fullPath = "/pnr-control/ABC123";
| String co = ( String ) cacheMBean.get( fullPath, "owner" );
| boolean iAmOwner = false;
| if ( null == co )
| {
| cacheMBean.put( fullPath, "owner", "owned" );
| iAmOwner = true;
| }
|
| txn.commit();
|
The first time this code is invoked on all four servers after they are started,
it works. One of the servers gets through the code and does the put while the
other three realize someone else has done the put. The second time this code
is invoked all the servers throw exceptions. The exceptions are:
| Exception from node2:
| org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=S46824604252446/15,
BranchQual=, localId=15] status=STATUS_NO_TRANSACTION; - nested throwable:
(org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false))
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:354)
| at org.jboss.tm.TxManager.commit(TxManager.java:224)
| at server.CacheServiceImpl.processRequest(CacheServiceImpl.java:79)
| ...
| Caused by: org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:406)
| at
org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:72)
| at
org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1473)
| at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1092)
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:306)
| ... 48 more
| Caused by: org.jboss.cache.ReplicationException:
rsp=sender=10.16.34.37:3961, retval=null, received=false, suspected=false
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3505)
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3526)
| at
org.jboss.cache.interceptors.ReplicationInterceptor.runPreparePhase(ReplicationInterceptor.java:485)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:389)
| ... 52 more
|
| Exception from node0:
| org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=S46824604252446/16,
BranchQual=, localId=16] status=STATUS_NO_TRANSACTION; - nested throwable:
(org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3964,
retval=null, received=false, suspected=false))
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:354)
| at org.jboss.tm.TxManager.commit(TxManager.java:224)
| at server.CacheServiceImpl.processRequest(CacheServiceImpl.java:79)
| ...
| Caused by: org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3964,
retval=null, received=false, suspected=false)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:406)
| at
org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:72)
| at
org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1473)
| at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1092)
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:306)
| ... 48 more
| Caused by: org.jboss.cache.ReplicationException:
rsp=sender=10.16.34.37:3964, retval=null, received=false, suspected=false
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3505)
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3526)
| at
org.jboss.cache.interceptors.ReplicationInterceptor.runPreparePhase(ReplicationInterceptor.java:485)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:389)
| ... 52 more
|
| Exception from node1:
| org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=S46824604252446/16,
BranchQual=, localId=16] status=STATUS_NO_TRANSACTION; - nested throwable:
(org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false))
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:354)
| at org.jboss.tm.TxManager.commit(TxManager.java:224)
| at server.CacheServiceImpl.processRequest(CacheServiceImpl.java:79)
| ...
| Caused by: org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:406)
| at
org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:72)
| at
org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1473)
| at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1092)
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:306)
| ... 48 more
| Caused by: org.jboss.cache.ReplicationException:
rsp=sender=10.16.34.37:3961, retval=null, received=false, suspected=false
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3505)
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3526)
| at
org.jboss.cache.interceptors.ReplicationInterceptor.runPreparePhase(ReplicationInterceptor.java:485)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:389)
| ... 52 more
|
| Exception from node3:
| org.jboss.tm.JBossRollbackException: Unable to commit,
tx=TransactionImpl:XidImpl[FormatId=257, GlobalId=S46824604252446/16,
BranchQual=, localId=16] status=STATUS_NO_TRANSACTION; - nested throwable:
(org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false))
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:354)
| at org.jboss.tm.TxManager.commit(TxManager.java:224)
| at server.CacheServiceImpl.processRequest(CacheServiceImpl.java:79)
| ...
| Caused by: org.jboss.util.NestedRuntimeException: ; - nested throwable:
(org.jboss.cache.ReplicationException: rsp=sender=10.16.34.37:3961,
retval=null, received=false, suspected=false)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:406)
| at
org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:72)
| at
org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1473)
| at org.jboss.tm.TransactionImpl.beforePrepare(TransactionImpl.java:1092)
| at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:306)
| ... 48 more
| Caused by: org.jboss.cache.ReplicationException:
rsp=sender=10.16.34.37:3961, retval=null, received=false, suspected=false
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3505)
| at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:3526)
| at
org.jboss.cache.interceptors.ReplicationInterceptor.runPreparePhase(ReplicationInterceptor.java:485)
| at
org.jboss.cache.interceptors.ReplicationInterceptor$SynchronizationHandler.beforeCompletion(ReplicationInterceptor.java:389)
| ... 52 more
|
"server.CacheServiceImpl.processRequest" is the method listed above. Line 79
is the "txn.commit" line in the code.
Here's the configuration of the cache:
| <?xml version="1.0" encoding="UTF-8" ?>
| <server>
| <classpath codebase="./lib" archives="jboss-cache.jar, jgroups.jar"/>
|
| <!--
==================================================================== -->
| <!-- TreeCache that synchronously replicates changes
-->
| <!--
==================================================================== -->
| <mbean code="org.jboss.cache.TreeCache"
name="jboss.cache:service=AMWCache">
|
| <depends>jboss:service=Naming</depends>
| <depends>jboss:service=TransactionManager</depends>
|
| <!-- Configure the TransactionManager -->
| <attribute
name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</attribute>
|
| <!-- Node locking level : SERIALIZABLE, REPEATABLE_READ
(default), READ_COMMITTED, READ_UNCOMMITTED,
| NONE -->
| <attribute name="IsolationLevel">SERIALIZABLE</attribute>
|
| <!-- Valid modes are LOCAL, REPL_ASYNC, REPL_SYNC -->
| <attribute name="CacheMode">REPL_SYNC</attribute>
|
| <!-- Name of cluster. Needs to be the same for all clusters, in
order to find each other -->
| <attribute name="ClusterName">AMW-Cache</attribute>
|
| <attribute name="ClusterConfig">
| <config>
| <!-- UDP: if you have a multihomed machine, set
the bind_addr attribute to the
| appropriate NIC IP address -->
| <!-- UDP: On Windows machines, because of the
media sense feature being broken with
| multicast (even after disabling media
sense) set the loopback attribute to
| true -->
| <UDP mcast_addr="228.1.2.3" mcast_port="45566"
ip_ttl="64" ip_mcast="true"
| mcast_send_buf_size="150000"
mcast_recv_buf_size="80000"
| ucast_send_buf_size="150000"
ucast_recv_buf_size="80000" loopback="true"/>
| <PING timeout="2000" num_initial_members="3"
up_thread="false" down_thread="false"/>
| <MERGE2 min_interval="10000"
max_interval="20000"/>
| <FD shun="true" up_thread="true"
down_thread="true"/>
| <VERIFY_SUSPECT timeout="1500"
up_thread="false" down_thread="false"/>
| <pbcast.NAKACK gc_lag="50" max_xmit_size="8192"
retransmit_timeout="600,1200,2400,4800"
| up_thread="false" down_thread="false"/>
| <UNICAST timeout="600,1200,2400"
window_size="100" min_threshold="10"
| down_thread="false"/>
| <pbcast.STABLE desired_avg_gossip="20000"
up_thread="false" down_thread="false"/>
| <FRAG frag_size="8192" down_thread="false"
up_thread="false"/>
| <pbcast.GMS join_timeout="5000"
join_retry_timeout="2000" shun="true"
| print_local_addr="true"/>
| <pbcast.STATE_TRANSFER up_thread="false"
down_thread="false"/>
| </config>
| </attribute>
|
| <!-- The max amount of time (in milliseconds) we wait until the
initial state (ie. the contents of the
| cache) are retrieved from existing members in a
clustered environment -->
| <attribute name="InitialStateRetrievalTimeout">5000</attribute>
|
| <!-- Number of milliseconds to wait until all responses for a
synchronous call have been received. -->
| <attribute name="SyncReplTimeout">10000</attribute>
|
| <!-- Max number of milliseconds to wait for a lock acquisition
-->
| <attribute name="LockAcquisitionTimeout">15000</attribute>
|
| <!-- Name of the eviction policy class. -->
| <attribute
name="EvictionPolicyClass">org.jboss.cache.eviction.LRUPolicy</attribute>
|
| <!-- Specific eviction policy configurations. This is LRU -->
| <attribute name="EvictionPolicyConfig">
| <config>
| <!-- <attribute
name="wakeUpIntervalSeconds">5</attribute> -->
| <attribute
name="wakeUpIntervalSeconds">3600</attribute>
| <!-- Cache wide default -->
| <region name="/_default_">
| <attribute
name="maxNodes">5000</attribute>
| <attribute
name="timeToLiveSeconds">86400</attribute>
| <!-- Maximum time an object is kept in
cache regardless of idle time -->
| <attribute
name="maxAgeSeconds">86400</attribute>
| </region>
| </config>
| </attribute>
|
| </mbean>
|
| </server>
|
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