Hi,
I had trouble compiling my codes after I moved the jar files to the same
directory. The following is the full stacktrace. The value object class is
now ListHashMap, but the issue is the same.
I will keep trying different things.
Thanks for your help! Any other suggestions are welcome!
-------------------------------------------------
[4/24/06 8:21:17:594 EDT] 00000054 IndexedDisk E TRAS0014I: The
following exception was logged java.lang.ClassNotFoundException:
mypackage.util.ListHashMap
at com.ibm.ws.classloader.CompoundClassLoader.findClass(
CompoundClassLoader.java(Compiled Code))
at com.ibm.ws.classloader.CompoundClassLoader.loadClass(
CompoundClassLoader.java:414)
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:260)
at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:591)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1546)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1468)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java
:1659)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1307)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1877)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java
:1679)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1307)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:357)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDisk.readObject(
IndexedDisk.java:114)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.readElement(
IndexedDiskCache.java:526)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.doGet(
IndexedDiskCache.java:484)
at org.apache.jcs.auxiliary.disk.AbstractDiskCache.get(
AbstractDiskCache.java:298)
at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java
:488)
at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java
:391)
at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:201)
at mypackage.data.ListDSManager.getCachedObj(ListDSManager.java:81)
at mypackage.actions.EventUpdateAction.execute(EventUpdateAction.java:48)
at org.apache.struts.action.RequestProcessor.processActionPerform(
RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java
:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(
ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(
ServletWrapper.java:1173)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(
WebAppFilterChain.java:92)
at mypackage.application.BemsServletFilter.doFilter(BemsServletFilter.java
:29)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(
FilterInstanceWrapper.java:142)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(
WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(
ServletWrapper.java:626)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(
CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java
:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java
:77)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(
HttpInboundLink.java:421)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(
HttpInboundLink.java:367)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(
HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(
WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(
WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(
WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(
WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)
.
java.lang.ClassNotFoundException:
mypackage.util.ListHashMap
at com.ibm.ws.classloader.CompoundClassLoader.findClass(
CompoundClassLoader.java(Compiled Code))
at com.ibm.ws.classloader.CompoundClassLoader.loadClass(
CompoundClassLoader.java:414)
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:260)
at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:591)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1546)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1468)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java
:1659)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1307)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1877)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java
:1679)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1307)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:357)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDisk.readObject(
IndexedDisk.java:114)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.readElement(
IndexedDiskCache.java:526)
at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.doGet(
IndexedDiskCache.java:484)
at org.apache.jcs.auxiliary.disk.AbstractDiskCache.get(
AbstractDiskCache.java:298)
at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java
:488)
at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java
:391)
at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:201)
at mypackage.data.ListDSManager.getCachedObj(ListDSManager.java:81)
at mypackage.actions.EventUpdateAction.execute(EventUpdateAction.java:48)
at org.apache.struts.action.RequestProcessor.processActionPerform(
RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java
:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(
ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(
ServletWrapper.java:1173)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(
WebAppFilterChain.java:92)
at mypackage.application.BemsServletFilter.doFilter(BemsServletFilter.java
:29)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(
FilterInstanceWrapper.java:142)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(
WebAppFilterChain.java:77)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(
ServletWrapper.java:626)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(
CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java
:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java
:77)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(
HttpInboundLink.java:421)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(
HttpInboundLink.java:367)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(
HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(
WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(
WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(
WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(
WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)
On 4/22/06, Aaron Smuts <[EMAIL PROTECTED]> wrote:
>
> It looks like your class files are not available to
> the classloader that loaded JCS. Put the jars in the
> same directory and see if it helps. Also, can you
> send the full stack trace of the error if it is in the
> logs.
>
> Aaron
>
> --- Eddie Liu <[EMAIL PROTECTED]> wrote:
>
> > Yes, I am running under IBM Websphere application
> > server. Can you further
> > explain what you mean by "same place as my code"?
> > Now the jcs jar is in a
> > different directory and I have set up the
> > dependencies (class-path in the
> > MANIFEST.MF) so that my application can find the jar
> > files. I can move them
> > to /WEB-INF/lib and see if that makes a difference,
> > is that what you
> > suggest?
> >
> > Thank you for your help!
> >
> > On 4/21/06, Smuts, Aaron
> > <[EMAIL PROTECTED]> wrote:
> > >
> > > Looks like a classloader issue. Are you running
> > inside of some evil
> > > application server that never did a nice thing for
> > anyone? . . . Is
> > > the jcs jar in the same place as your code?
> > >
> > > > -----Original Message-----
> > > > From: Eddie Liu [mailto:[EMAIL PROTECTED]
> > > > Sent: Friday, April 21, 2006 12:03 PM
> > > > To: [email protected]
> > > > Subject: ClassNotFoundException on value object
> > when MemoryShrinker is
> > > > enabled
> > > >
> > > > Hi,
> > > >
> > > > I have set up a cache region using DC, with
> > MemoryShrinker enabled
> > > (true).
> > > > I still receive the NoClassDefFoundError each
> > time when restarting the
> > > web
> > > > server, that issue was discussed under a
> > different threat.
> > > >
> > > > This time, with MemoryShrinker on, when the
> > memory cache expired, I
> > > could
> > > > see the listDS.data file got populated and the
> > file size went from 0k
> > > to
> > > > 1k. But after it wrote to the file in disk,
> > i.e., after I saw in the
> > > log:
> > > >
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > > [4/21/06 11:56:51:375 EDT] 0000003e
> > CacheEventQue I Cache event
> > > queue
> > > > created: CacheEventQueue
> > [listenerId=-1121403549, cacheName=listDS]
> > > > [4/21/06 11:57:01:391 EDT] 00000041
> > CacheEventQue I QProcessor
> > > exiting
> > > > for
> > > > CacheEventQueue [listenerId=-1121403549,
> > cacheName=listDS]
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > >
> > > > if I tried to access the cache again, I got the
> > following exception:
> > > >
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > > [4/21/06 11:58:52:406 EDT] 00000035 IndexedDisk
> > E TRAS0014I: The
> > > > following exception was logged
> > java.lang.ClassNotFoundException:
> > > > mypackage.BookVObj
> > > > at
> >
> com.ibm.ws.classloader.CompoundClassLoader.findClass(
> > > > CompoundClassLoader.java(Compiled Code))
> > > > at
> >
> com.ibm.ws.classloader.CompoundClassLoader.loadClass(
> > > > CompoundClassLoader.java:414)
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > >
> > > > where BookVObj is my value object for the cache.
> > But again, in the
> > > > BookVObjManager, since it could not find the
> > value object from cache,
> > > it
> > > > was
> > > > loaded from database and things seems to be
> > working fine.
> > > >
> > > > So what do I need to do to get rid of that
> > exception?
> > > >
> > > > The following is my cache.ccf setup for the
> > region.
> > > >
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > > jcs.region.listDS=DC
> > > >
> > >
> >
> jcs.region.listDS.cacheattributes=org.apache.jcs.engine.CompositeCacheAt
> > > tr
> > > > ibutes
> > > >
> > jcs.region.listDS.cacheattributes.MaxObjects=1200
> > > >
> > >
> >
> jcs.region.listDS.cacheattributes.MemoryCacheName=org.apache.jcs.engine.
> > > me
> > > > mory.lru.LRUMemoryCache
> > > >
> > jcs.region.listDS.elementattributes.IsEternal=false
> > > >
> >
> jcs.region.listDS.elementattributes.MaxLifeSeconds=10
> > > >
> > jcs.region.listDS.elementattributes.IdleTime=1800
> > > > jcs.region.listDS.elementattributes.IsSpool=true
> > > >
> > jcs.region.listDS.elementattributes.IsRemote=true
> > > >
> > jcs.region.listDS.elementattributes.IsLateral=true
> > > >
> > > >
> >
> jcs.region.listDS.cacheattributes.UseMemoryShrinker=true
> > > >
> >
> jcs.region.listDS.cacheattributes.MaxMemoryIdleTimeSeconds=5
> > > >
> >
> jcs.region.listDS.cacheattributes.ShrinkerIntervalSeconds=5
> > > >
> > jcs.region.listDS.cacheattributes.MaxSpoolPerRun=500
> > > >
> > > >
> >
> ------------------------------------------------------
> > > >
> >
> ------------------------------------------------------
> > > >
> > > > Thank you for all of you help!!
> > > >
> > > > Eddie
> > >
> > >
> >
> ---------------------------------------------------------------------
> > > To unsubscribe, e-mail:
> > [EMAIL PROTECTED]
> > > For additional commands, e-mail:
> > [EMAIL PROTECTED]
> > >
> > >
> >
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
