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From Marek.Cy...@equifax.com
Subject RE: Exception in log files under heavy load
Date Fri, 10 Nov 2006 19:40:02 GMT




The latest.

No.

No.

Thanks,

Marek Cyzio
Equifax
(770)740-6610
Marek.Cyzio@equifax.com


                                                                           
             "Smuts, Aaron"                                                
             <Aaron.Smuts@trav                                             
             elocity.com>                                               To 
                                       "JCS Users List"                    
             11/10/2006 02:29          <jcs-users@jakarta.apache.org>      
             PM                                                         cc 
                                                                           
                                                                   Subject 
             Please respond to         RE: Exception in log files under    
             "JCS Users List"          heavy load                          
             <jcs-users@jakart                                             
               a.apache.org>                                               
                                                                           
                                                                           
                                                                           
                                                                           




What version of JCS are you using?

Are you using groups?

Are you using partial key removal--ending a string key in ":"?

> -----Original Message-----
> From: Marek.Cyzio@equifax.com [mailto:Marek.Cyzio@equifax.com]
> Sent: Friday, November 10, 2006 2:10 PM
> To: JCS Users List
> Subject: Exception in log files under heavy load
>
>
>
>
>
> Hey,
>
> I am getting the following exception under heavy load:
>
> Disabling lateral cache due to error Failed to put
> [eid:1200611101402423941502725] to eid_session_data
> java.util.ConcurrentModificationException
>              at
java.util.HashMap$HashIterator.nextEntry(HashMap.java:787)
>              at java.util.HashMap$EntryIterator.next(HashMap.java:829)
>              at java.util.HashMap$EntryIterator.next(HashMap.java:827)
>              at java.util.HashMap.writeObject(HashMap.java:983)
>              at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown
> Source)
>              at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Im
> pl.java:25)
>
>              at java.lang.reflect.Method.invoke(Method.java:585)
>              at
>
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
>              at
>
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
>              at
>
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
28
> 4)
>
>              at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>              at
>
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69
> )
>              at
>
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
>              at
>
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
28
> 4)
>
>              at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>              at
>
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69
> )
>              at
>
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
>              at
>
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
28
> 4)
>
>              at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>              at
>
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69
> )
>              at
>
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
>              at
>
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
28
> 4)
>
>              at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>              at
>
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69
> )
>              at
>
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
>              at
>
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
28
> 4)
>
>              at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>              at
> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
>              at
>
org.apache.jcs.auxiliary.lateral.socket.tcp.LateralTCPSender.send(Latera
lT
> CPSender.java:212)
>
>              at
>
org.apache.jcs.auxiliary.lateral.socket.tcp.LateralTCPService.update(Lat
er
> alTCPService.java:117)
>
>              at
>
org.apache.jcs.auxiliary.lateral.LateralCache.update(LateralCache.java:9
7)
>              at
> org.apache.jcs.engine.CacheAdaptor.handlePut(CacheAdaptor.java:83)
>              at
>
org.apache.jcs.engine.CacheEventQueue$PutEvent.doRun(CacheEventQueue.jav
a:
> 656)
>
>              at
>
org.apache.jcs.engine.CacheEventQueue$AbstractCacheEvent.run(CacheEventQ
ue
> ue.java:578)
>
>              at
>
org.apache.jcs.engine.CacheEventQueue$QProcessor.run(CacheEventQueue.jav
a:
> 548)
>
> I guess there is a not synchronized access to a hashmap that should be
> synchronized somewhere...
>
> Thanks,
>
> Marek Cyzio
> Equifax
> (770)740-6610
> Marek.Cyzio@equifax.com
>
>
>
> This message contains information from Equifax Inc. which may be
> confidential and privileged.  If you are not an intended recipient,
please
> refrain from any disclosure, copying, distribution or use of this
> information and note that such actions are prohibited.  If you have
> received this transmission in error, please notify by e-mail
> postmaster@equifax.com.
>
>
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This message contains information from Equifax Inc. which may be
confidential and privileged.  If you are not an intended recipient, please
refrain from any disclosure, copying, distribution or use of this
information and note that such actions are prohibited.  If you have
received this transmission in error, please notify by e-mail
postmaster@equifax.com.


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