OWB10gR2 Repository Browser hangs on report call

Hi,
after weeks of normal work with OWB Repository Browser, it started recently to hang up in the moment when an "Execution Job Report" (in column "Related Information") is called. No difference if error, mapping or workflow process report. We don't know which change in the system may have triggered this. Problem seems not to be in the database (no change in session after clicking the link is noticed). The OC4J windows gives no further log info and I can't find any log file in the J2EE directory. When trying to shut down the OC4J session regularly it brings:
06/09/15 11:41:43 Shutting down...
06/09/15 11:41:45 Thread named: Thread[HttpRequestHandler-3945515,1,ApplicationServerThreadGroup] cannot be interrupted
06/09/15 11:41:45 Thread named: Thread[HttpRequestHandler-30624226,1,ApplicationServerThreadGroup] cannot be interrupted
The DOS box has to be closed the brutal way which recovers after restarting.
some ideas around
regards
Thomas

indeed, it is likely that the report was simply hanging in SQL execution. did you check that before you purged? What can occur is that the statistics for the RT schema get out of whack if the schema is not analyzed. AFter months and months of operations, the execution plan for these reports is no longer valid and ... then you hang for a long time :)
analyze stats. and on slower systems, truncate audit data every now and then. and make sure you aren't running all your mappings in FULL audit mode.
My two cents.
Borkur

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==================================
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Edited by: qwe16235 on Sep 16, 2011 2:37 PM

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