RS02938: XOM CLASS NOT FOUND EXCEPTIONS WITH RULESET UPDATE AND HEAVY LOAD USING HTDS

Fixes are available

APAR status

Closed as program error.

Error description

if the XOM URIs is set after the deployment of a ruleset update

while there is a lot of execution on going some of the
execution will fail with a ClassNotFoundException. Exception
thrown during reproduce the error:
[10/16/17 15:38:13:574 EDT] 000000fa execution     E   It was
not possible to create the ruleset: /LoanRuleApp/1.
0/LoanProcessDS/1.3.
                                 com.ibm.rules.res.xu.internal.
XUException: GBRXU0467E: The creation of EngineDefinition
failed.
    at com.ibm.rules.res.xu.engine.de.internal.
XUEngineDynamicDefinitionFactory.createEngineDefinition(
XUEngineDynamicDefinitionFactory.java:90)
    at com.ibm.rules.res.xu.ruleset.internal.XURulesetFactory.
createDERuleset(XURulesetFactory.java:250)
    at com.ibm.rules.res.xu.ruleset.internal.XURulesetFactory.
createRuleset(XURulesetFactory.java:117)
    at com.ibm.rules.res.xu.ruleset.internal.RulesetParsingWork.

run(RulesetParsingWork.java:89)
    at com.ibm.ejs.j2c.work.WorkProxy$RunWork.run(WorkProxy.
java:281)
    at java.security.AccessController.doPrivileged(
AccessController.java:426)
    at javax.security.auth.Subject.doAs(Subject.java:494)
    at com.ibm.websphere.security.auth.WSSubject.doAs(WSSubject.

java:133)
    at com.ibm.ejs.j2c.work.WorkProxy$RunWork.run(WorkProxy.
java:284)
    at com.ibm.ws.security.util.AccessController.doPrivileged(
AccessController.java:63)
    at com.ibm.ejs.j2c.work.WorkProxy.run(WorkProxy.java:666)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:
1881)
Caused by: com.ibm.rules.engine.load.XUEngineDynamicLoader$
CreationException:     While applying business to execution (
B2X) model mapping
GBREX0001E: Cannot find execution class 'com.ibm.odm.mytest.
LoanApplication' for translating business class 'com.ibm.odm.
mytest.LoanApplication'
    at com.ibm.rules.engine.load.XUEngineDynamicLoaderImpl.
createEngineDefinitionFromDSAR(XUEngineDynamicLoaderImpl.java:
97)
    at com.ibm.rules.engine.load.XUEngineDynamicLoaderImpl.
createEngineDefinition(XUEngineDynamicLoaderImpl.java:52)
    at com.ibm.rules.res.xu.engine.de.internal.
XUEngineDynamicDefinitionFactory.createEngineDefinition(
XUEngineDynamicDefinitionFactory.java:83)
    ... 11 more
Caused by:     While applying business to execution (B2X) model

mapping
GBREX0001E: Cannot find execution class 'com.ibm.odm.mytest.
LoanApplication' for translating business class 'com.ibm.odm.
mytest.LoanApplication'
    at ilog.rules.util.issue.IlrDefaultIssueHandler.
throwException(IlrDefaultIssueHandler.java:82)
    at ilog.rules.util.issue.IlrChainedIssueHandler.
throwException(IlrChainedIssueHandler.java:70)
    at com.ibm.rules.engine.b2x.transform.
B2XMainLangTransformer.transformTypeDeclarations(
B2XMainLangTransformer.java:128)
    at com.ibm.rules.engine.lang.semantics.transform.
SemMainLangTransformer.transformObjectModel(
SemMainLangTransformer.java:245)
    at com.ibm.rules.engine.outline.B2XModelTranslator$
B2XRewriter.transform(B2XModelTranslator.java:364)
    at com.ibm.rules.engine.outline.EngineOutlineImpl.
applyModelRewriter(EngineOutlineImpl.java:444)
    at com.ibm.rules.engine.outline.EngineOutlineImpl.
applyModelRewriters(EngineOutlineImpl.java:415)
    at com.ibm.rules.engine.outline.EngineOutlineImpl.
writeJarInStream(EngineOutlineImpl.java:516)
    at com.ibm.rules.engine.load.XUEngineDynamicLoaderImpl.
createEngineDefinitionFromDSAR(XUEngineDynamicLoaderImpl.java:
92)
    ... 13 more
[10/16/17 15:38:13:686 EDT] 000000cc execution     I   Ruleset
cache size: 1.
[10/16/17 15:38:13:687 EDT] 000000cc execution     I
Deprecated ruleset cache size: 0.
[10/16/17 15:38:13:687 EDT] 000000cc execution     I   The
ruleset /LoanRuleApp/1.0/LoanProcessDS/1.3 is missing in the
cache.
[10/16/17 15:38:13:688 EDT] 000000d5 execution     I   Ruleset
cache size: 1.
[10/16/17 15:38:13:688 EDT] 000000d5 execution     I
Deprecated ruleset cache size: 0.
[10/16/17 15:38:13:689 EDT] 000000d5 execution     I   The
ruleset /LoanRuleApp/1.0/LoanProcessDS/1.3 is missing in the
cache.
[10/16/17 15:38:13:689 EDT] 000000ae execution     I   Ruleset
cache size: 1.
[10/16/17 15:38:13:689 EDT] 000000ae execution     I
Deprecated ruleset cache size: 0.
[10/16/17 15:38:13:686 EDT] 000000ce execution     E   The
interaction loadUptodateRuleset has failed.

Local fix

Problem summary

In the Rule Execution Server, if the XOM URIs is set after the
deployment of a ruleset while there is a lot of execution on
going that use this ruleset some of the execution will fail
with a ClassNotFoundException. Exception thrown during
reproduce the error:
10/16/17 15:38:13:574 EDT] 000000fa execution     E   It was
not possible to create the ruleset:
/LoanRuleApp/1.0/LoanProcessDS/1.3.

com.ibm.rules.res.xu.internal.XUException: GBRXU0467E: The
creation of EngineDefinition failed.
    at
com.ibm.rules.res.xu.engine.de.internal.XUEngineDynamicDefinitio
nFactory.createEngineDefinition(XUEngineDynamicDefinitionFactory
.java:90)
    at
com.ibm.rules.res.xu.ruleset.internal.XURulesetFactory.createDER
uleset(XURulesetFactory.java:250)
    at
com.ibm.rules.res.xu.ruleset.internal.XURulesetFactory.createRul
eset(XURulesetFactory.java:117)
    at
com.ibm.rules.res.xu.ruleset.internal.RulesetParsingWork.run(Rul
esetParsingWork.java:89)

Problem conclusion

```
The code is fixed.
```

Temporary fix

Comments

APAR Information

APAR number
RS02938
Reported component name
WS DECISION CTR
Reported component ID
5725B6900
Reported release
880
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2017-10-18
Closed date
2017-10-31
Last modified date
2017-10-31

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

Modules/Macros

```
999
```

Fix information

Fixed component name
WS DECISION CTR
Fixed component ID
5725B6900

Applicable component levels

R880 PSY
UP

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSQP76","label":"IBM Operational Decision Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"880","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
03 November 2021

Tips

RS02938: XOM CLASS NOT FOUND EXCEPTIONS WITH RULESET UPDATE AND HEAVY LOAD USING HTDS

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros

Fix information

Fixed component name

Fixed component ID

Applicable component levels

R880 PSY

Document Information

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