[jcifs] jcifs.util.transport.TransportException: Connection timeout

[SKODALI at UPCONTRACTOR.UP.COM]

Hi,
while checking is file exists on server , intermittenly i am geting below 
error? Anybody know the root cause or how to fix the same ...please help 
me...

2009-10-18 01:04:21 [ERROR] 
(com.uprr.app.onb.doss.common.util.SMBUtil.java:335) - -196447445 
SmbException while checking file into file system: 
jcifs.smb.SmbException: 
jcifs.util.transport.TransportException: 
Transport4[v0-864.netapp-a2.omdx.uprr.com/72.37.0.18:445] timedout waiting 
for response to 
Trans2QueryPathInformation[command=SMB_COM_TRANSACTION2,received=false,errorCode=0,flags=0x0018,flags2=0xC003,signSeq=0,tid=64,pid=45362,uid=2048,mid=18584,wordCount=15,byteCount=179,totalParameterCount=178,totalDataCount=0,maxParameterCount=2,maxDataCount=40,maxSetupCount=0,flags=0x00,timeout=0,parameterCount=178,parameterOffset=66,parameterDisplacement=0,dataCount=0,dataOffset=244,dataDisplacement=0,setupCount=1,pad=1,pad1=0,informationLevel=0x101,filename=\PROD01\UP\LOCO\HDR\UP5803\20091018\060348\1255845828684-1255845828684617000.xml.xtmp]
        at jcifs.smb.SmbTransport.send(SmbTransport.java:585)
        at jcifs.smb.SmbSession.send(SmbSession.java:239)
        at jcifs.smb.SmbTree.send(SmbTree.java:109)
        at jcifs.smb.SmbFile.send(SmbFile.java:695)
        at jcifs.smb.SmbFile.queryPath(SmbFile.java:1276)
        at jcifs.smb.SmbFile.exists(SmbFile.java:1330)
        at 
com.uprr.app.onb.doss.common.util.SMBUtil.isFileExists(SMBUtil.java:331)
        at 
com.uprr.app.onb.doss.service.put.PutService.doCommit(PutService.java:344)
        at 
com.uprr.app.onb.doss.service.put.PutService.processRequest(PutService.java:244)
        at 
com.uprr.app.onb.service.ServiceProxy.processRequest(ServiceProxy.java:38)
        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.springframework.util.MethodInvoker.invoke(MethodInvoker.java:275)
        at 
org.springframework.jms.listener.adapter.MessageListenerAdapter.invokeListenerMethod(MessageListenerAdapter.java:452)
        at 
com.uprr.app.xmf.service.core.XMFServiceAdapter.invokeListenerMethod(XMFServiceAdapter.java:226)
        at 
org.springframework.jms.listener.adapter.MessageListenerAdapter.onMessage(MessageListenerAdapter.java:354)
        at 
com.uprr.app.xmf.service.core.XMFServiceAdapter.onMessage(XMFServiceAdapter.java:151)
        at 
org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:506)
        at 
org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:463)
        at 
org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:435)
        at 
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:316)
        at 
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:255)
        at 
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:927)
        at 
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:851)
        at java.lang.Thread.run(Thread.java:595)

Soma Sekhar Kodali
402-213-8393
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