RS03132: POSSIBLE THREAD CONTENTION IN HTDS RESULTING IN HIGH CPU USAGE

Operational Decision Manager V8.8.1.4 Fix Pack

APAR status

• Closed as program error.

Error description

• Thread contention when using HTDS
  
  Java callstack:
  java/util/WeakHashMap.get(WeakHashMap.java:444(Compiled Code))
  com/ibm/rules/res/xml/internal/XSDUtil.getJAXBContext(XSDUtil.ja
  va:686(Compiled Code))
  com/ibm/rules/res/xml/internal/XSDUtil.deserializeJavaType(XSDUt
  il.java:221(Compiled Code))
  com/ibm/rules/htds/binding/xml/XMLEventObjectReader.getResult(XM
  LEventObjectReader.java:273(Compiled Code))
  com/ibm/rules/htds/binding/xml/RESTContentHandler.endElement(RES
  TContentHandler.java:670(Compiled Code))
  org/apache/xerces/parsers/AbstractSAXParser.endElement(Bytecode
  PC:80(Compiled Code))
  org/apache/xerces/impl/XMLNSDocumentScannerImpl.scanEndElement(B
  ytecode PC:164(Compiled Code))
  org/apache/xerces/impl/XMLDocumentFragmentScannerImpl$FragmentCo
  ntentDispatcher.dispatch(Bytecode PC:365(Compiled Code))
  org/apache/xerces/impl/XMLDocumentFragmentScannerImpl.scanDocume
  nt(Bytecode PC:26(Compiled Code))
  org/apache/xerces/parsers/XML11Configuration.parse(Bytecode
  PC:134(Compiled Code))
  org/apache/xerces/parsers/XML11Configuration.parse(Bytecode
  PC:29(Compiled Code))
  org/apache/xerces/parsers/XMLParser.parse(Bytecode
  PC:11(Compiled Code))
  org/apache/xerces/parsers/AbstractSAXParser.parse(Bytecode
  PC:43(Compiled Code))
  

Local fix

• n/a
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * ODM Users                                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * Possible thread contention in htds resulting in high cpu     *
  * usage                                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• The code is fixed.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  WS DECISION CTR

• Fixed component ID

  5725B6900

Applicable component levels

• R881 PSY

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