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This could be a bug.<br />
Just verify this with Oracle support and if it is, you will need to patch to eliminate it.
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My issue solved with solution above by wesly_chen
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HTTP server being bounced &nbsp;by opmn as its ping is failing almost &nbsp;every 35 mins &nbsp; and &nbsp;restarting the HTTP service . Not clear why opmn is failing to ping HTTP service.<br />
&nbsp; &nbsp; - &nbsp; At the time of bounce I see around 190+ &nbsp;persistent connections in &nbsp;CLOSE_WAIT mode . This is my observation and not sure if this is by any chance contributing to the issue . &nbsp;How to identify and &nbsp;fix this ?
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HTTP server being bounced  by opmn as its ping is failing almost  every 35 mins   and  restarting the HTTP service . Not clear why opmn is failing to ping HTTP service.
    -   At the time of bounce I see around 190+  persistent connections in  CLOSE_WAIT mode . This is my observation and not sure if this is by any chance contributing to the issue .  How to identify and  fix this ?

HTTP service bounce very often on OAS10gR3 standalone

The Apache HTTP Server is a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards. Typically Apache is run on a Unix-like operating system, but it is available for a wide variety of operating systems, including Linux, Novell NetWare, Mac OS-X and Windows. Released under the Apache License, Apache is open-source software.