HTTP Status 500 - No action instance for path /retrieve_lib_log could be cr

HTTP Status 500 - No action instance for path /retrieve_lib_log could be created

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type Status report

message No action instance for path /retrieve_lib_log could be created

description The server encountered an internal error (No action instance for path /retrieve_lib_log could be created) that prevented it from fulfilling this request.

That is the error i am gettin and i have tried the solutions suggested here but it hasent solved my problem.... this error came up all of a sudden and it was working fine at a previous instace

[569 byte] By [lovenath143a] at [2007-11-27 0:13:19]