XDB.DBMS_XMLPARSER causing an application to hang

(Doc ID 1103716.1)

Last updated on AUGUST 02, 2010

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Session running an application which calls XDB.DBMS_XMLPARSER hangs.  Memory usage is stable, but CPU usage is increasing.  The only way to stop the session is by killing it.

The application is calling DBMS_XMLPARSER.freeparser (<variable>) in a loop as it parses multiple files.

Error stack generated by oradebug dump errorstack 3 or by OS functions like procstack (AIX) or pstack (Solaris/Linux) shows

ksdxfdmp ksdxcb sspuser _restore_rt qmpa_parser_freeparser spefcmpa spefmccallstd


0x0000000100963d50 qmubaGet(??, ??, ??) + 0x30
0x0000000108342494 qmpa_parser_freeparser(0x0, 0x110a719a0,0xfffffffffff5198,0x110920118) + 0x114
0x0000000102e84334 spefcmpa(??, ??, ??, ??, ??) + 0x134


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