Getting exception after increasing the heap size

Hi ,
I have increased the heap size of my manged server from 512MB to 1024MB and started the server. When I tried to post the messages to queue I am getting the below exception and my managed server is going down. Weblogic server version is 10.3.0. Could you please help me to resolve this issue. It is verr urgent
******* EXCEPTION FROM THE MAIN METHOD -Generic Exception *******
weblogic.jms.common.JMSException: weblogic.messaging.dispatcher.DispatcherException: weblogic.rjvm.PeerGoneException: No message was received for: '240' seconds
at weblogic.jms.dispatcher.DispatcherAdapter.convertToJMSExceptionAndThrow(DispatcherAdapter.java:116)
at weblogic.jms.dispatcher.DispatcherAdapter.dispatchSyncTran(DispatcherAdapter.java:53)
at weblogic.jms.client.JMSProducer.toFEProducer(JMSProducer.java:1271)
at weblogic.jms.client.JMSProducer.deliveryInternal(JMSProducer.java:783)
at weblogic.jms.client.JMSProducer.sendInternal(JMSProducer.java:541)
at weblogic.jms.client.JMSProducer.sendWithListener(JMSProducer.java:394)
at weblogic.jms.client.JMSProducer.send(JMSProducer.java:384)
at weblogic.jms.client.WLProducerImpl.send(WLProducerImpl.java:970)
at QueueSendConfig.send(QueueSendConfig.java:88)
at QueueSendConfig.main(QueueSendConfig.java:126)
Caused by: weblogic.messaging.dispatcher.DispatcherException: weblogic.rjvm.PeerGoneException: No message was received for: '240' seconds
at weblogic.messaging.dispatcher.DispatcherWrapperState.dispatchSyncTran(DispatcherWrapperState.java:350)
at weblogic.jms.dispatcher.DispatcherAdapter.dispatchSyncTran(DispatcherAdapter.java:51)
... 8 more
Caused by: weblogic.rjvm.PeerGoneException: No message was received for: '240' seconds
at weblogic.rjvm.ResponseImpl.getThrowable(ResponseImpl.java:202)
at weblogic.messaging.dispatcher.DispatcherProxy.unmarshalResponse(DispatcherProxy.java:253)
at weblogic.messaging.dispatcher.DispatcherProxy.dispatchSyncTranFuture(DispatcherProxy.java:134)
at weblogic.messaging.dispatcher.DispatcherWrapperState.dispatchSyncTran(DispatcherWrapperState.java:338)
Thanks & Regards
James

Hi James,
weblogic.rjvm.PeerGoneException is basically caused due to a network failure between the peers like message producer and the consumer failing to communicate in the specified time frame.
240 seconds is the default value for the t3 connection timeout, if the peer is not getting response for 240 seconds. Then it would timed out.
This value can be tuned, however it is not recommended.
Can you check the network traffic and see if any network glitches causing the issue?
Also check whether you are trying to send large messages over a slow network causing the delay.
You can capture the thread dumps as well to get more insights on the issue.
Cheers,
Andy

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Oracle home:C:\product\10.1.3.1\OracleAS_1
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Plz can you help me. How to increase the Heap Size!!!!!!!!!!!

Hi,
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Locate opmn.xml on your instance. In file locate section relevant for container you use (i.e. "home"). In next line you can see tags where startup parameters are set. You should add following parameters (this will set heap size on 512Mb)
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For detailed explanation I would recommend you to check following link:
http://download-uk.oracle.com/docs/cd/B25221_03/web.1013/b14431/troublesht.htm
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[GC 3452K->3080K(4028K), 0.0058119 secs]
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[GC 3728K->3357K(4028K), 0.0057200 secs]
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[GC 4285K->3912K(6544K), 0.0052336 secs]
[GC 4424K->4051K(6544K), 0.0055661 secs]
[GC 4563K->4189K(6544K), 0.0055543 secs]
[GC 4701K->4326K(6544K), 0.0055703 secs]
[GC 4838K->4464K(6544K), 0.0055915 secs]
[GC 4976K->4608K(6544K), 0.0059667 secs]
[GC 5120K->4746K(6544K), 0.0053261 secs]
[GC 5258K->4884K(6544K), 0.0053761 secs]
[GC 5396K->5023K(6544K), 0.0059290 secs]
[GC 5534K->5159K(6544K), 0.0054320 secs]
[GC 5671K->5301K(6544K), 0.0114341 secs]
[GC 5813K->5405K(6544K), 0.0103658 secs]
[GC 5917K->5492K(6544K), 0.0053194 secs]
[GC 6003K->5592K(6544K), 0.0107092 secs]
[GC 6104K->5694K(6544K), 0.0096887 secs]
[GC 6206K->5786K(6544K), 0.0037949 secs]
[GC 6298K->5890K(6544K), 0.0101172 secs]
[GC 6402K->5990K(6544K), 0.0041271 secs]
[GC 6502K->6097K(6672K), 0.0040678 secs]
[Full GC 6609K->6191K(10992K), 0.2664733 secs]
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ACHE STARTING
[GC 6849K->6361K(10992K), 0.0586387 secs]
Tue Dec 04 15:22:10 PST 2001:<I> <T3Services> CacheManagerImpl: SCHEDULE CACHE
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TARTING
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[GC 7298K->6678K(10992K), 0.0058533 secs]
[GC 7446K->6807K(10992K), 0.0052940 secs]
[GC 7575K->6920K(10992K), 0.0048598 secs]

I think the default heap size is 16MB, as for the GC output:
these [GC 2598K->2145K(2696K), 0.0035829 secs]
show the collection of Objects within the eden area of the heap (Short lived Objects),
the heap size before GC was 2598K and after GC was 2145K and the time taken was
0.0035829 secs.
These outputs:
[Full GC 2713K->2070K(4028K), 0.1933980 secs]
show the details for a full GC, these are the ones to watch out for, they will
take longer and the JVM (no mater how many processors) will block during a full
GC....I.E no server response at all.
The smaller the heap size the more often a full GC will occur, however the larger
the heap, the longer the full GC will take.
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Garbage Collection, overall it will take longer than normal, but the individual
Full GCs will take less time....so the server is not hung for as long at any one
time.
Set -Xms (the minimum heap) to the same as -Xmx (max heap), this increases performance
as the JVM does not have to repeatedly assign more memory to the heap.
Gareth
"Jen" <[email protected]> wrote:
>
Hi,
I am wondering what's the default heap size if I don't add -ms -mx opation?
I
set the two options and the following is the output from -verbosegc.
what's it
means?
Thanks.
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[GC 2582K->2229K(4028K), 0.0046565 secs]
[GC 2741K->2373K(4028K), 0.0061002 secs]
[GC 2885K->2514K(4028K), 0.0064346 secs]
[GC 3026K->2656K(4028K), 0.0061670 secs]
[GC 3168K->2798K(4028K), 0.0054694 secs]
[GC 3310K->2940K(4028K), 0.0054521 secs]
[GC 3452K->3080K(4028K), 0.0058119 secs]
[GC 3592K->3216K(4028K), 0.0059069 secs]
[GC 3728K->3357K(4028K), 0.0057200 secs]
[GC 3869K->3496K(4028K), 0.0055719 secs]
[GC 4008K->3636K(4156K), 0.0057239 secs]
[Full GC 4148K->3649K(6544K), 0.3064887 secs]
[GC 4091K->3773K(6544K), 0.0412259 secs]
[GC 4285K->3912K(6544K), 0.0052336 secs]
[GC 4424K->4051K(6544K), 0.0055661 secs]
[GC 4563K->4189K(6544K), 0.0055543 secs]
[GC 4701K->4326K(6544K), 0.0055703 secs]
[GC 4838K->4464K(6544K), 0.0055915 secs]
[GC 4976K->4608K(6544K), 0.0059667 secs]
[GC 5120K->4746K(6544K), 0.0053261 secs]
[GC 5258K->4884K(6544K), 0.0053761 secs]
[GC 5396K->5023K(6544K), 0.0059290 secs]
[GC 5534K->5159K(6544K), 0.0054320 secs]
[GC 5671K->5301K(6544K), 0.0114341 secs]
[GC 5813K->5405K(6544K), 0.0103658 secs]
[GC 5917K->5492K(6544K), 0.0053194 secs]
[GC 6003K->5592K(6544K), 0.0107092 secs]
[GC 6104K->5694K(6544K), 0.0096887 secs]
[GC 6206K->5786K(6544K), 0.0037949 secs]
[GC 6298K->5890K(6544K), 0.0101172 secs]
[GC 6402K->5990K(6544K), 0.0041271 secs]
[GC 6502K->6097K(6672K), 0.0040678 secs]
[Full GC 6609K->6191K(10992K), 0.2664733 secs]
Tue Dec 04 15:22:10 PST 2001:<I> <T3Services> CacheManagerImpl: EMAIL
TEMPLATE
C
ACHE STARTING
[GC 6849K->6361K(10992K), 0.0586387 secs]
Tue Dec 04 15:22:10 PST 2001:<I> <T3Services> CacheManagerImpl: SCHEDULE
CACHE
S
TARTING
[GC 7129K->6530K(10992K), 0.0083019 secs]
[GC 7298K->6678K(10992K), 0.0058533 secs]
[GC 7446K->6807K(10992K), 0.0052940 secs]
[GC 7575K->6920K(10992K), 0.0048598 secs]

How to Increase the retreving size of instances using PAPI filters.

Hi,
How to Increase the retreving size of instances using PAPI filters.
In my engine database instance size exceeds 2500 then we are getting following exception.
If we login in to user workspace able to see the instances but while trying to retrieve from PAPI getting below exception and showing the user's inbox aize as 0.
In Process Admin console we set all the required parameters.
Still I m getting the same problem.
Can you please lgive mev the solution.
<Mar 23, 2010 8:58:24 PM SGT> <Warning> <RMI> <BEA-080003> <RuntimeException thrown by rmi server: fuego.ejbengine.EJBProcessControl_1zamnl_EOImpl.getInstancesByFilter(Lfuego.papi.impl.j2ee.EJBSecureEngineInfo;Ljava.lang.String;Lfuego.papi.Filter;)
java.lang.ClassCastException: cannot assign instance of java.util.HashSet to field fuego.view.FilterImpl.attributes of type java.util.List in instance of fuego.view.FilterImpl.
java.lang.ClassCastException: cannot assign instance of java.util.HashSet to field fuego.view.FilterImpl.attributes of type java.util.List in instance of fuego.view.FilterImpl
     at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2032)
     at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1212)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1953)
     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
Regards,
Bharath.
Edited by: bg57295 on Mar 24, 2010 6:45 PM

Hi Bharath,
Believe me, you have an incompatibility between different build#.
PAPI has an instance cache. When certain process has more instances than the maximum specified, the cache is switch to status OPEN. That means, that PAPI will not be able to resolve some instance queries using the information in the cache. When that occurs, PAPI forward all those queries to the engine.
The incompatibility introduced is in the communication between PAPI and Engine. So, you only get the exception when you have more instances than the maximum cache size.
Regards,
Ariel

Getting exception after increasing the heap size

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