[JBoss JIRA] Created: (JBAS-5381) Convert JBossCacheManager to use CacheManager
by Brian Stansberry (JIRA)
Convert JBossCacheManager to use CacheManager
---------------------------------------------
Key: JBAS-5381
URL: http://jira.jboss.com/jira/browse/JBAS-5381
Project: JBoss Application Server
Issue Type: Sub-task
Security Level: Public (Everyone can see)
Reporter: Brian Stansberry
Fix For: JBossAS-5.0.0.CR1
Configure JBossWebMetaData with JNDI name of CacheManager and name of cache config (hooks are already there). Find manager in JNDI instead of JMX; get the cache from the manager.
Investigate a way to pass the manager directly instead of using JNDI. Perhaps as an attachment to JBossWebMetaData?
ClusteringDefaultsDeployer will have two default config names -- one for replication-granularity FIELD and one for not.
No more needing to start a whole separate set of servers to test FIELD. :-)
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18 years, 2 months
[JBoss JIRA] Created: (JBRULES-1443) retract of Fact Template leads to NPE
by greywind (JIRA)
retract of Fact Template leads to NPE
-------------------------------------
Key: JBRULES-1443
URL: http://jira.jboss.com/jira/browse/JBRULES-1443
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Reporter: greywind
If a Fact that is based on a template gets retracted the following NPE occurs
java.lang.NullPointerException
at org.drools.reteoo.Rete.retractObject(Rete.java:204)
at org.drools.reteoo.ReteooRuleBase.retractObject(ReteooRuleBase.java:211)
at org.drools.reteoo.ReteooWorkingMemory.doRetract(ReteooWorkingMemory.java:79)
at org.drools.common.AbstractWorkingMemory.retract(AbstractWorkingMemory.java:1022)
at org.drools.common.TruthMaintenanceSystem$LogicalRetractCallback.execute(TruthMaintenanceSystem.java:150)
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:914)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:881)
at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:81)
at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:75)
at org.drools.entity.Rule_Check_Dups_0.consequence(Rule_Check_Dups_0.java:12)
at org.drools.entity.Rule_Check_Dups_0ConsequenceInvoker.evaluate(Rule_Check_Dups_0ConsequenceInvoker.java:22)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550)
at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433)
at org.drools.entity.EntityTest.main(EntityTest.java:307)
Exception in thread "main" org.drools.spi.ConsequenceException: java.lang.NullPointerException
at org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:14)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554)
at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:514)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:471)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433)
at org.drools.entity.EntityTest.main(EntityTest.java:307)
Caused by: java.lang.NullPointerException
at org.drools.reteoo.Rete.retractObject(Rete.java:204)
at org.drools.reteoo.ReteooRuleBase.retractObject(ReteooRuleBase.java:211)
at org.drools.reteoo.ReteooWorkingMemory.doRetract(ReteooWorkingMemory.java:79)
at org.drools.common.AbstractWorkingMemory.retract(AbstractWorkingMemory.java:1022)
at org.drools.common.TruthMaintenanceSystem$LogicalRetractCallback.execute(TruthMaintenanceSystem.java:150)
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:914)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:881)
at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:81)
at org.drools.base.DefaultKnowledgeHelper.insertLogical(DefaultKnowledgeHelper.java:75)
at org.drools.entity.Rule_Check_Dups_0.consequence(Rule_Check_Dups_0.java:12)
at org.drools.entity.Rule_Check_Dups_0ConsequenceInvoker.evaluate(Rule_Check_Dups_0ConsequenceInvoker.java:22)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:550)
... 4 more
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18 years, 2 months
[JBoss JIRA] Created: (JBRULES-1442) Cannot create template Fact in RHS
by greywind (JIRA)
Cannot create template Fact in RHS
----------------------------------
Key: JBRULES-1442
URL: http://jira.jboss.com/jira/browse/JBRULES-1442
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: Drl Parser/Builder
Affects Versions: 4.0.4
Reporter: greywind
The following drl should work if i'm not mistaken
template DuplicateIdentifier
Identifier identifier;
end
rule ""
when
then
insert (new DuplicateIdentifier());
end
but it leads to
Error: Rule Compilation error DuplicateIdentifier cannot be resolved to a type
Exception in thread "main" org.drools.rule.InvalidRulePackage: Rule Compilation error : [Rule name=, agendaGroup=MAIN, salience=0, no-loop=false]
org/drools/entity/Rule__0.java (8:294) : DuplicateIdentifier cannot be resolved to a type
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18 years, 2 months
[JBoss JIRA] Created: (JBRULES-1438) FactTemplate Property Access leads to RuleBuilder Exception
by greywind (JIRA)
FactTemplate Property Access leads to RuleBuilder Exception
-----------------------------------------------------------
Key: JBRULES-1438
URL: http://jira.jboss.com/jira/browse/JBRULES-1438
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: Drl Parser/Builder
Affects Versions: 4.0.4
Reporter: greywind
Attachments: EntityTest.drl
The only thing I do is to add the attached drl to a Package and do get the following exception:
Exception in thread "main" org.mvel.CompileException: problem encountered at node [19] 5{1012,1042}: unable to resolve property: could not access property
at org.mvel.TemplateInterpreter.execute(TemplateInterpreter.java:554)
at org.mvel.TemplateInterpreter.parse(TemplateInterpreter.java:338)
at org.drools.rule.builder.dialect.java.AbstractJavaBuilder.generatTemplates(AbstractJavaBuilder.java:120)
at org.drools.rule.builder.dialect.java.JavaConsequenceBuilder.build(JavaConsequenceBuilder.java:118)
at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:67)
at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:446)
at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:304)
at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:167)
at org.drools.entity.EntityTest.main(EntityTest.java:48)
Caused by: org.mvel.PropertyAccessException: unable to resolve property: could not access property
at org.mvel.PropertyAccessor.get(PropertyAccessor.java:170)
at org.mvel.PropertyAccessor.get(PropertyAccessor.java:128)
at org.mvel.ASTNode.getReducedValue(ASTNode.java:247)
at org.mvel.ast.PropertyASTNode.getReducedValue(PropertyASTNode.java:36)
at org.mvel.MVELInterpretedRuntime.parseAndExecuteInterpreted(MVELInterpretedRuntime.java:115)
at org.mvel.MVELInterpretedRuntime.parse(MVELInterpretedRuntime.java:63)
at org.mvel.TemplateInterpreter.execute(TemplateInterpreter.java:409)
... 8 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.mvel.PropertyAccessor.getBeanProperty(PropertyAccessor.java:419)
at org.mvel.PropertyAccessor.get(PropertyAccessor.java:153)
... 14 more
Caused by: org.drools.RuntimeDroolsException: This is a bug. Please report to development team: org.drools.facttemplates.FactTemplateFieldExtractor.getValue(java.lang.Object)
at org.drools.facttemplates.FactTemplateFieldExtractor.getNativeReadMethod(FactTemplateFieldExtractor.java:82)
at org.drools.rule.Declaration.getNativeReadMethod(Declaration.java:291)
... 20 more
Caused by: java.lang.NoSuchMethodException: org.drools.facttemplates.FactTemplateFieldExtractor.getValue(java.lang.Object)
at java.lang.Class.getDeclaredMethod(Class.java:1909)
at org.drools.facttemplates.FactTemplateFieldExtractor.getNativeReadMethod(FactTemplateFieldExtractor.java:79)
... 21 more
When I select dialect 'mvel' it does work however!
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18 years, 2 months
[JBoss JIRA] Created: (JBRULES-1351) Rules not firing in heavely threaded application
by paata lominadze (JIRA)
Rules not firing in heavely threaded application
------------------------------------------------
Key: JBRULES-1351
URL: http://jira.jboss.com/jira/browse/JBRULES-1351
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Affects Versions: 4.0.3, 4.0.2
Reporter: paata lominadze
Server application loads precompiled rule package into memory
then it creates as many rulebases as much threads are there.
(every thread has its own rulebase and stateless session)
application receives messages, then it dispatches it to one of the threads.
thread itself executes rules on its own stateless session.
rules are written such a way so that at least one rule should fire.
but sometimes rules don't fire.
in such situations we are passing same facts to rules engine second time,
on the same rulebase, using same stateless session. this time one rule is selected.
facts are not modified during two runs. they also dont change from rules.
this makes us to think that the bug is in rules engine, not in the application rule design logic.
going from stateless to stateful session didnot solve this problem
fact shadowing is disabled
rules have unique salience.
all rules belong to same activation group.
we had one rulebase for all the threads and were creating one stateless session
per thread. but "misfiring" did happen much often this way. giving each thread its own
rulebase reduced "misfirings" dramatically
this bug started to appear after upgrading from 3.0.5 to 4.0.x, currently we are using 4.0.3
i think this problem has same roots as this bug:
http://jira.jboss.org/jira/browse/JBRULES-1330
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18 years, 2 months
[JBoss JIRA] Created: (JBRULES-1512) UnsupportedOperationException when calling addPackage on rulebase
by Mattias Nilsson (JIRA)
UnsupportedOperationException when calling addPackage on rulebase
-----------------------------------------------------------------
Key: JBRULES-1512
URL: http://jira.jboss.com/jira/browse/JBRULES-1512
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Affects Versions: 4.0.4
Reporter: Mattias Nilsson
Assigned To: Mark Proctor
Priority: Minor
Attachments: global-test.zip
While migrating from Drools 3.0.6 to 4.0.4 a customer of ours found a bug. If you load two DRL files with same package declaration using two package builders into one rulebase, and only the second DRL file contains globals, the rulebase will throw an exception when loading the second package. This used to work in 3.0.6 but fails in 4.0.4. The following exception is thrown:
java.lang.UnsupportedOperationException
at java.util.AbstractMap.put(AbstractMap.java:228)
at java.util.AbstractMap.putAll(AbstractMap.java:317)
at org.drools.common.AbstractRuleBase.mergePackage(AbstractRuleBase.java:495)
at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:399)
I will upload an example that reproduces this problem.
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18 years, 2 months