我正在使用带有jboss-cache 3.2.5的Hibernate 3.1.13
我正在运行启用了二级缓存的应用程序，并且在应用程序的中间（基于用户操作）我正在关闭现有的会话工厂（sessionFactory.close（）;）并创建一个新的。
到目前为止，我的二级缓存工作正常，关闭并创建新的会话工厂后，我从Treecache收到以下错误。
Caused by: org.jboss.cache.CacheException: java.lang.reflect.InvocationTargetException
at org.jboss.cache.util.reflect.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:148)
at org.jboss.cache.factories.ComponentRegistry$PrioritizedMethod.invoke(ComponentRegistry.java:1012)
at org.jboss.cache.factories.ComponentRegistry.internalStart(ComponentRegistry.java:778)
at org.jboss.cache.factories.ComponentRegistry.start(ComponentRegistry.java:632)
at org.jboss.cache.invocation.CacheInvocationDelegate.start(CacheInvocationDelegate.java:345)
at org.hibernate.cache.jbc2.builder.SharedCacheInstanceManager.start(SharedCacheInstanceManager.java:155)
at org.hibernate.cache.jbc2.JBossCacheRegionFactory.start(JBossCacheRegionFactory.java:106)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:192)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1304)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:814)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:732)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at com.valista.rse.server.SessionFactoryHolder.refreshSessionFactory(SessionFactoryHolder.java:102)
... 32 more
Caused by: java.lang.reflect.InvocationTargetException
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:597)
at org.jboss.cache.util.reflect.ReflectionUtil.invokeAccessibly(ReflectionUtil.java:144)
... 44 more
Caused by: org.jboss.cache.CacheException: Unable to fetch state on startup
at org.jboss.cache.RPCManagerImpl.start(RPCManagerImpl.java:385)
... 49 more
Caused by: org.jboss.cache.CacheException: Cache instance at 127.0.0.1:47082 cannot integrate state since state provider could not provide state due to null
at org.jboss.cache.statetransfer.DefaultStateTransferManager.setState(DefaultStateTransferManager.java:169)
at org.jboss.cache.remoting.jgroups.ChannelMessageListener.setState(ChannelMessageListener.java:191)
at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.handleUpEvent(MessageDispatcher.java:665)
at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:765)
at org.jgroups.JChannel.up(JChannel.java:1183)
at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:444)
at org.jgroups.protocols.pbcast.STATE_TRANSFER.handleStateRsp(STATE_TRANSFER.java:421)
at org.jgroups.protocols.pbcast.STATE_TRANSFER.up(STATE_TRANSFER.java:120)
at org.jgroups.protocols.pbcast.GMS.up(GMS.java:787)
at org.jgroups.protocols.FRAG.unfragment(FRAG.java:290)
at org.jgroups.protocols.FRAG.up(FRAG.java:150)
at org.jgroups.protocols.UNICAST.handleDataReceived(UNICAST.java:616)
at org.jgroups.protocols.UNICAST.up(UNICAST.java:282)
at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:233)
at org.jgroups.protocols.pbcast.NAKACK.up(NAKACK.java:735)
at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:167)
at org.jgroups.protocols.FD.up(FD.java:284)
at org.jgroups.protocols.MERGE2.up(MERGE2.java:144)
at org.jgroups.protocols.Discovery.up(Discovery.java:263)
at org.jgroups.protocols.TP.passMessageUp(TP.java:1275)
at org.jgroups.protocols.TP.access$100(TP.java:49)
at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1818)
at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1797)
... 3 more
我的treecache配置文件
================================
<?xml version="1.0" encoding="UTF-8"?>
<!-- ===================================================================== -->
<!-- -->
<!-- Sample TreeCache Service Configuration -->
<!-- -->
<!-- ===================================================================== -->
<server>
<classpath codebase="../lib" archives="jbosscache-core.jar, jgroups.jar"/>
<!-- ==================================================================== -->
<!-- Defines TreeCache configuration -->
<!-- ==================================================================== -->
<mbean code="org.jboss.cache.TreeCache"
name="jboss.cache:service=TreeCache">
<depends>jboss:service=Naming</depends>
<!-- <depends>jboss:service=TransactionManager</depends>
TransactionManager configuration not required for Hibernate!
-->
<!--
Node isolation level : SERIALIZABLE
REPEATABLE_READ (default)
READ_COMMITTED
READ_UNCOMMITTED
NONE
-->
<attribute name="IsolationLevel">READ_COMMITTED</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">TreeCache-Cluster</attribute>
<!-- JGroups protocol stack properties. Can also be a URL,
e.g. file:/home/bela/default.xml
<attribute name="ClusterProperties"></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" bind_addr="127.0.0.1"
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="false"/>
<pbcast.STATE_TRANSFER up_thread="false" down_thread="false"/>
</config>
</attribute>
<!--
Max number of entries in the cache. If this is exceeded, the
eviction policy will kick some entries out in order to make
more room
-->
<attribute name="MaxCapacity">20000</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">20000</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>
<!-- Max number of milliseconds we hold a lock (not currently
implemented) -->
<attribute name="LockLeaseTimeout">60000</attribute>
<!-- Name of the eviction policy class. Not supported now. -->
<attribute name="EvictionPolicyClass"></attribute>
</mbean>
</server>
# hibernate properties (general settings)
# Note: Define C3P0 settings in c3p0.properties, NOT in this file.
# Debugging
hibernate.show_sql=false
#hibernate.cglib.use_reflection_optimizer=false
# Database isolation 1=read uncommitted, 2=read committed, 4=repeatable read, 8=serializable
hibernate.connection.isolation = 2
#configurations for jboss-cache as second level cache
hibernate.cache.use_second_level_cache=true
hibernate.cache.region.factory_class=org.hibernate.cache.jbc2.SharedJBossCacheRegionFactory
hibernate.cache.region.jbc2.cfg.shared=treecache.xml
hibernate.cache.use_query_cache=false
# Filtered values based on db type
hibernate.connection.url=@db.url@
hibernate.connection.username=@db.users.owner.username@
hibernate.connection.password=@db.users.owner.password@
hibernate.database.startup.enabled=@db.startup.enabled@
db.type=@db.type@
# You MUST enable the statistics from PSE version 4.8 onwards
hibernate.generate_statistics=true
感谢大家对此事的帮助