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OC4J intermittently not responding to OHS

2015-12-10   Views:0

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We deployed a CRM type system into Production over the last few weeks. We are having the usual environmental issues, but nothing we can't handle. We are however experiencing one very unusual type of behaviour. Every so often, even if the system isn't

We deployed a CRM type system into Production over the last few weeks. We are having the usual environmental issues, but nothing we can't handle. We are however experiencing one very unusual type of behaviour. Every so often, even if the system isn't under load, we get an 'Internal Server error 500' being retuned to the user. The user would try to re-create but could not.
When I look at the OHS (Apache) error_log I see loads of entries like the following :-
Failed to service request with network worker: FSPROD_15 and it is not recoverable.
[Wed Nov 10 19:23:29 2004] [error] [client 10.65.32.83] MOD_OC4J_0013: Failed to call destination: FSPROD's service() to service the request.
[Wed Nov 10 19:24:41 2004] [error] [client 10.65.32.83] MOD_OC4J_0080: After calling Apache's ap_bwrite(), got an return value: -1 and the client could have aborted in the middle of receiving the chunk data.
[Wed Nov 10 19:24:41 2004] [error] [client 10.65.32.83] MOD_OC4J_0058: Failed to handle response chunk data passed in from oc4j via ajp13.
[Wed Nov 10 19:24:41 2004] [error] [client 10.65.32.83] MOD_OC4J_0035: After hdndling ajp13 response message, got an invalid value: -2.
[Wed Nov 10 19:24:41 2004] [error] [client 10.65.32.83] MOD_OC4J_0121: Failed to service request with network worker: FSPROD_15 and it is not recoverable.
[Wed Nov 10 19:24:41 2004] [error] [client 10.65.32.83] MOD_OC4J_0013: Failed to call destination: FSPROD's service() to service the request.
[Wed Nov 10 19:25:48 2004] [error] [client 10.65.32.83] MOD_OC4J_0080: After calling Apache's ap_bwrite(), got an return value: -1 and the client could have aborted in the middle of receiving the chunk data.
[Wed Nov 10 19:25:48 2004] [error] [client 10.65.32.83] MOD_OC4J_0058: Failed to handle response chunk data passed in from oc4j via ajp13.
[Wed Nov 10 19:25:48 2004] [error] [client 10.65.32.83] MOD_OC4J_0035: After hdndling ajp13 response message, got an invalid value: -2.
[Wed Nov 10 19:25:48 2004] [error] [client 10.65.32.83] MOD_OC4J_0121: Failed to service request with network worker: FSPROD_15 and it is not recoverable.
There are no errors logged in the OC4J logs. This is really frustrating and is becoming a very, very serious matter.
The box itself has plenty of resources so this, to my mind, should not be happening!!
Has anyone ever come across this kind of problem before? Any help on this would be greatly appreciated.
The OS is HP-UX 11.1
App server version - Oracle9iAS 9.0.3
Many, many thanks in advance.

The replay answer
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This issue is still occurring. Does anyone in Oracle have any input on this?
Would the fact that we are consistently using Dynamic includes as opposed to Static includes, have any impact. We have a huge amount of dynamic data that would bring page service method sizes well aboce 64K, that is why we have the dynamic includes. I read that the Request Dispatcher will then have to work overtime to accomodate all the requests.
Seriously, any help on this would be much appreciated.

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