Hi,
I am getting a java.lang.NoClassDefFoundError: org/jaxen/VariableContext
exception when using JBoss Cache after a period of inactivity. I hope you can
help me.
Regards,
Sean.
Here is the problem in detail:
The scenario is as follows:
1. - create cache
private MBeanServer server = MBeanServerLocator.locateJBoss();
private TreeCacheMBean cache = (TreeCacheMBean)
MBeanProxyExt.create(TreeCacheMBean.class, "jboss.cache:service=TreeCache",
server);
2. Load various data into the cache
3. Access Seam based web application that reads some of these data.
4. Leave webpage inactive, at 5 minute intervals the exception message at the
end of this post is created.
- I'm aware that the root exception (Caused by: java.lang.NoClassDefFoundError:
org/jaxen/VariableContext) may be a red herring/not really the problem judging
by this issue report:
https://jira.jboss.org/jira/browse/EJBTHREE-1297.
Jaxen.jar is definately in my classpath.
- My environment is:
JBoss Cache 1.4.1
JBoss 4.3
Seam 2.1.2
Windows XP
- I have configured a cache loader to use a data source for a MYSQL database
(MYSQL 5.0)
- I am not using a clustered environment at present, and have therefore set
attribute name="cacheMode" to equal "LOCAL" in my JBoss cache configuration
file (jboss-service.xml)
- The problem occurs whether or not I set passivation to false in my
Jboss-service.xml
- Here is some debug information about my cache:
eviction policy class = null
eviction thread wakeup interval = 0
FetchInMemoryState = true
NumberOfAttributes = 37
NumberOfNodes = 14
isUsingEviction = false
isUsingMultiplexer = false
HERE IS MY JBOSS-SERVICE.XML
<?xml version="1.0" encoding="UTF-8"?>
<!-- ===================================================================== -->
<!-- -->
<!-- Sample TreeCache Service Configuration -->
<!-- -->
<!-- ===================================================================== -->
<!-- ====================================================================
-->
<!-- Defines TreeCache configuration
-->
<!-- ====================================================================
-->
jboss:service=Naming
jboss:service=TransactionManager
jboss.jca:service=DataSourceBinding,name=SAPDatasource
<!--
Configure the TransactionManager
-->
org.jboss.cache.JBossTransactionManagerLookup
<!--
Node locking level : SERIALIZABLE
REPEATABLE_READ (default)
READ_COMMITTED
READ_UNCOMMITTED
NONE
-->
REPEATABLE_READ
<!--
Valid modes are LOCAL
REPL_ASYNC
REPL_SYNC
INVALIDATION_ASYNC
INVALIDATION_SYNC
-->
LOCAL
<!-- Name of cluster. Needs to be the same for all clusters, in order
to find each other
-->
TreeCache-Cluster
<!-- JGroups protocol stack properties. Can also be a URL,
e.g. file:/home/bela/default.xml
-->
<!-- 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="228.1.2.5" mcast_port="45577"
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="false"/>
<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"
retransmit_timeout="600,1200,2400,4800"
up_thread="false" down_thread="false"/>
<pbcast.STABLE desired_avg_gossip="20000"
up_thread="false" down_thread="false"/>
<UNICAST timeout="600,1200,2400" window_size="100"
min_threshold="10"
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"/>
<!--
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
-->
20000
<!--
Number of milliseconds to wait until all responses for a
synchronous call have been received.
-->
15000
<!-- Max number of milliseconds to wait for a lock acquisition -->
10000
<!-- Name of the eviction policy class. Not supported now. -->
false
<!-- not sure if this means everything or nothing is
preloaded -->
/selectionCriteriaResults
org.jboss.cache.loader.JDBCCacheLoader
<!-- same as the old CacheLoaderConfig
attribute -->
cache.jdbc.datasource=java:/SAPDatasource
<!-- whether the cache loader writes are
asynchronous -->
false
<!-- only one cache loader in the chain may set
fetchPersistentState to true.
An exception is thrown if more than one cache
loader sets this to true. -->
true
<!-- determines whether this cache loader
ignores writes - defaults to false. -->
false
<!-- if set to true, purges the contents of
this cache loader when the cache starts up.
Defaults to false. -->
true
HERE IS THE EXCEPTION
2009-11-09 15:19:23,251 FATAL
[org.jboss.serial.persister.RegularObjectPersister writeSlotWithMethod] error
java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor731.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at
EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOnWriteArrayList.java:772)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at
EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap.writeObject(ConcurrentReaderHashMap.java:1230)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at
EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap.writeObject(ConcurrentReaderHashMap.java:1230)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
at
org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
at
org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at org.jboss.serial.io.MarshalledObject.(MarshalledObject.java:51)
at
org.jboss.ejb3.stateful.StatefulBeanContext.writeExternal(StatefulBeanContext.java:855)
at
org.jboss.serial.persister.ExternalizePersister.writeData(ExternalizePersister.java:58)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:298)
at
org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:390)
at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.passivate(SimpleStatefulCache.java:301)
at
org.jboss.ejb3.cache.simple.SimpleStatefulCache$SessionTimeoutTask.run(SimpleStatefulCache.java:209)
Caused by: java.lang.NoClassDefFoundError: org/jaxen/VariableContext
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getDeclaredMethod(Class.java:1907)
at
org.jboss.serial.classmetamodel.ClassMetaData.lookupMethodOnHierarchy(ClassMetaData.java:102)
at
org.jboss.serial.classmetamodel.ClassMetaData.lookupInternalMethods(ClassMetaData.java:432)
at
org.jboss.serial.classmetamodel.ClassMetaData.(ClassMetaData.java:122)
at
org.jboss.serial.classmetamodel.ClassMetamodelFactory.getClassMetaData(ClassMetamodelFactory.java:350)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:168)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
at
org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
at
org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
at
org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
at
org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
at
org.jboss.serial.persister.ObjectOutputStreamProxy.writeFields(ObjectOutputStreamProxy.java:79)
at
org.jboss.serial.persister.ObjectOutputStreamProxy.defaultWriteObject(ObjectOutputStreamProxy.java:68)
at java.util.Vector.writeObject(Vector.java:1018)
... 120 more
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