Need a healp in configuring CacheLoders

[ramalakshmi.nvs]

Hi,

How can i configure both JDBCCacheLoader and TcpDelegatingCacheLoader.


<?xml version="1.0" encoding="UTF-8"?>

<!-- ===================================================================== -->
<!-- -->
<!-- Sample TreeCache Service Configuration -->
<!-- -->
<!-- ===================================================================== -->





<!-- ==================================================================== -->
<!-- Defines TreeCache configuration -->
<!-- ==================================================================== -->

<depends optional-attribute-name="Cache" proxy-type="attribute">jboss.cache:service=HttpCache
jboss:service=Naming
jboss:service=TransactionManager

${jboss.bind.address:15.76.223.144}
7001

<!--
Configure the TransactionManager
-->

org.jboss.cache.GenericTransactionManagerLookup

<!--
Isolation level : SERIALIZABLE
REPEATABLE_READ (default)
READ_COMMITTED
READ_UNCOMMITTED
NONE
-->
READ_COMMITTED

<!--
Valid modes are LOCAL
REPL_ASYNC
REPL_SYNC
INVALIDATION_ASYNC
INVALIDATION_SYNC
-->
REPL_SYNC

<!--
Just used for async repl: use a replication queue
-->
false

<!--
Replication interval for replication queue (in ms)
-->
0

<!--
Max number of elements which trigger replication
-->
0

<!-- Name of cluster. Needs to be the same for all clusters, in order
to find each other
-->
cache_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, e.g bind_addr="192.168.0.2"
-->
<!-- 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="228.4.5.6" mcast_port="48866"
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" bind_addr="15.76.223.144" />
<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" />-->
<FD_SOCK/>
<VERIFY_SUSPECT timeout="1500"
up_thread="false" down_thread="false"/>
<pbcast.NAKACK gc_lag="50" retransmit_timeout="600,1200,2400,4800"
max_xmit_size="8192" 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="true" down_thread="true"/>




<!--
Whether or not to fetch state on joining a cluster
NOTE this used to be called FetchStateOnStartup and has been renamed to be more descriptive.
-->
true

<!--
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
-->
15000

<!--
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

<!-- TCPDelegatingCacheLoader -->





<!--
Indicate whether to use region based marshalling or not. Set this to true if you are running under a scoped
class loader, e.g., inside an application server. Default is "false".
-->


<!-- if passivation is true, only the first cache loader is used; the rest are ignored -->
false
<!-- comma delimited FQNs to preload -->
/
<!-- are the cache loaders shared in a cluster? -->
true

<!-- we can now have multiple cache loaders, which get chained -->


org.jboss.cache.loader.tcp.TcpDelegatingCacheLoader

host=15.76.223.144
port=7001


<!-- the 'cacheloader' element may be repeated -->


org.jboss.cache.loader.JDBCCacheLoader
<!-- same as the old CacheLoaderConfig attribute -->

cache.jdbc.table.name=JCACHE
cache.jdbc.table.create=false
cache.jdbc.table.drop=false
cache.jdbc.fqn.column=fqn
cache.jdbc.fqn.type=varchar(500)
cache.jdbc.node.column=node
cache.jdbc.node.type=blob
cache.jdbc.parent.column=parent
cache.jdbc.driver=oracle.jdbc.OracleDriver
cache.jdbc.url=jdbc:oracle:thin:@sdp3pf1.india.hp.com:1521:TPFDB
cache.jdbc.user=lakshmi
cache.jdbc.password=lakshmi
cache.jdbc.datasource=tpfDBDS

<!-- 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. -->
false











when I configure as above iam getting the following exception.


java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream
.java:2232)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputS
tream.java:2698)
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:750
)
at java.io.ObjectInputStream.(ObjectInputStream.java:268)
at org.jboss.cache.loader.tcp.TcpDelegatingCacheLoader.init(TcpDelegatin
gCacheLoader.java:109)
at org.jboss.cache.loader.tcp.TcpDelegatingCacheLoader.start(TcpDelegati
ngCacheLoader.java:86)
at org.jboss.cache.loader.ChainingCacheLoader.start(ChainingCacheLoader.
java:377)
at org.jboss.cache.loader.CacheLoaderManager.startCacheLoader(CacheLoade
rManager.java:353)
at org.jboss.cache.TreeCache.startService(TreeCache.java:1535)
at jsp_servlet.__jcache.createCache(__jcache.java:125)
at jsp_servlet.__jcache._jspService(__jcache.java:480)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run
(StubSecurityHelper.java:223)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecuri
tyHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:283)
at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(Servlet
StubImpl.java:391)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:309)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
a:175)

plz healp me out how to configure both the CacheLoders.

Thanks,
Ramalakshmi