[jboss-jira] [JBoss JIRA] (DROOLS-8) Traits: java.lang.VerifyError when you don a trait on a JavaBean with primitive field type
Peter Hilton (JIRA)
jira-events at lists.jboss.org
Thu Jan 3 11:34:08 EST 2013
[ https://issues.jboss.org/browse/DROOLS-8?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Hilton updated DROOLS-8:
------------------------------
Description:
I get a {{java.lang.VerifyError}} when I use {{don}} to add a trait to an instance of a fact type declared in Java with a field whose type is {{long}}:
{code}
java.lang.VerifyError: (class: org/drools/factmodel/traits/ExamMarkWrapper, method: getValue signature: ()J) Stack size too large
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
at java.lang.Class.privateGetPublicMethods(Class.java:2547)
at java.lang.Class.getMethods(Class.java:1410)
at org.drools.core.util.asm.ClassFieldInspector.processClassWithoutByteCode(ClassFieldInspector.java:140)
at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:85)
at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:66)
at org.drools.base.ClassFieldAccessorFactory.getClassFieldReader(ClassFieldAccessorFactory.java:109)
at org.drools.base.ClassFieldAccessorCache$CacheEntry.getReadAccessor(ClassFieldAccessorCache.java:169)
at org.drools.base.ClassFieldAccessorCache.getReadAcessor(ClassFieldAccessorCache.java:102)
at org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:434)
at org.drools.base.ClassFieldAccessorStore.getAccessor(ClassFieldAccessorStore.java:218)
at org.drools.factmodel.traits.TraitFactory.buildWrapperClassDefinition(TraitFactory.java:405)
at org.drools.factmodel.traits.TraitFactory.getCoreWrapper(TraitFactory.java:367)
at org.drools.base.DefaultKnowledgeHelper.asTraitable(DefaultKnowledgeHelper.java:560)
at org.drools.base.DefaultKnowledgeHelper.applyTrait(DefaultKnowledgeHelper.java:542)
at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:521)
at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:594)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.defaultConsequence(Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.java:7)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvokerGenerated.evaluate(Unknown Source)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvoker.evaluate(Unknown Source)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1287)
at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1221)
at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1456)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:710)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:674)
at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:230)
at org.drools.factmodel.traits.TraitTest.testTraitFieldTypePrimitive(TraitTest.java:37)
{code}
This is using the following DRL and model:
{code}
package org.drools.factmodel.traits;
declare trait PassMark
end
rule "testTraitFieldTypePrimitive"
when
$mark : ExamMark()
then
don($mark, PassMark.class);
end
{code}
{code:java}
package org.drools.factmodel.traits;
/**
* A student examination grade - marks out of ten, used as an example of a fact type whose field has a primitive type.
*/
public class ExamMark {
private long value;
public long getValue() {
return value;
}
public void setValue(long value) {
if (value < 0 || value > 10) {
throw new IllegalArgumentException("Not a valid grade: " + value);
}
this.value = value;
}
}
{code}
The test is based on {{org.drools.factmodel.traits.TraitTest}}:
{code:java}
@Test
public void testTraitFieldTypePrimitive() {
String source = "org/drools/factmodel/traits/testTraitFieldTypePrimitive.drl";
StatefulKnowledgeSession session = getSession( source );
session.insert(new ExamMark());
session.fireAllRules();
}
{code}
The workaround is to change the type of {{ExamMark.value}} from {{long}} to {{Long}}.
was:
I get a {{java.lang.VerifyError}} when I use {{don}} to add a trait to an instance of a fact type declared in Java with a field whose type is {{long}}:
{code}
java.lang.VerifyError: (class: org/drools/factmodel/traits/ExamMarkWrapper, method: getValue signature: ()J) Stack size too large
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
at java.lang.Class.privateGetPublicMethods(Class.java:2547)
at java.lang.Class.getMethods(Class.java:1410)
at org.drools.core.util.asm.ClassFieldInspector.processClassWithoutByteCode(ClassFieldInspector.java:140)
at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:85)
at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:66)
at org.drools.base.ClassFieldAccessorFactory.getClassFieldReader(ClassFieldAccessorFactory.java:109)
at org.drools.base.ClassFieldAccessorCache$CacheEntry.getReadAccessor(ClassFieldAccessorCache.java:169)
at org.drools.base.ClassFieldAccessorCache.getReadAcessor(ClassFieldAccessorCache.java:102)
at org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:434)
at org.drools.base.ClassFieldAccessorStore.getAccessor(ClassFieldAccessorStore.java:218)
at org.drools.factmodel.traits.TraitFactory.buildWrapperClassDefinition(TraitFactory.java:405)
at org.drools.factmodel.traits.TraitFactory.getCoreWrapper(TraitFactory.java:367)
at org.drools.base.DefaultKnowledgeHelper.asTraitable(DefaultKnowledgeHelper.java:560)
at org.drools.base.DefaultKnowledgeHelper.applyTrait(DefaultKnowledgeHelper.java:542)
at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:521)
at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:594)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.defaultConsequence(Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.java:7)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvokerGenerated.evaluate(Unknown Source)
at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvoker.evaluate(Unknown Source)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1287)
at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1221)
at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1456)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:710)
at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:674)
at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:230)
at org.drools.factmodel.traits.TraitTest.testTraitFieldTypePrimitive(TraitTest.java:37)
{code}
This is using the following DRL and model:
{code}
package org.drools.factmodel.traits;
declare trait PassMark
end
rule "testTraitFieldTypePrimitive"
when
$mark : ExamMark()
then
don($mark, PassMark.class);
end
{code}
{code:java}
package org.drools.factmodel.traits;
/**
* A student examination grade - marks out of ten, used as an example of a fact type whose field has a primitive type.
*/
public class ExamMark {
private long value;
public long getValue() {
return value;
}
public void setValue(long value) {
if (value < 0 || value > 10) {
throw new IllegalArgumentException("Not a valid grade: " + value);
}
this.value = value;
}
}
{code}
The test is based on {{org.drools.factmodel.traits.TraitTest}}:
{code:java}
@Test
public void testTraitFieldTypePrimitive() {
String source = "org/drools/factmodel/traits/testTraitFieldTypePrimitive.drl";
StatefulKnowledgeSession session = getSession( source );
session.insert(new ExamMark());
session.fireAllRules();
}
{code}
> Traits: java.lang.VerifyError when you don a trait on a JavaBean with primitive field type
> ------------------------------------------------------------------------------------------
>
> Key: DROOLS-8
> URL: https://issues.jboss.org/browse/DROOLS-8
> Project: Drools
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Environment: Drools 5.5.0.Final
> Reporter: Peter Hilton
> Assignee: Mark Proctor
> Labels: traits
>
> I get a {{java.lang.VerifyError}} when I use {{don}} to add a trait to an instance of a fact type declared in Java with a field whose type is {{long}}:
> {code}
> java.lang.VerifyError: (class: org/drools/factmodel/traits/ExamMarkWrapper, method: getValue signature: ()J) Stack size too large
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
> at java.lang.Class.privateGetPublicMethods(Class.java:2547)
> at java.lang.Class.getMethods(Class.java:1410)
> at org.drools.core.util.asm.ClassFieldInspector.processClassWithoutByteCode(ClassFieldInspector.java:140)
> at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:85)
> at org.drools.core.util.asm.ClassFieldInspector.<init>(ClassFieldInspector.java:66)
> at org.drools.base.ClassFieldAccessorFactory.getClassFieldReader(ClassFieldAccessorFactory.java:109)
> at org.drools.base.ClassFieldAccessorCache$CacheEntry.getReadAccessor(ClassFieldAccessorCache.java:169)
> at org.drools.base.ClassFieldAccessorCache.getReadAcessor(ClassFieldAccessorCache.java:102)
> at org.drools.base.ClassFieldAccessorStore.wire(ClassFieldAccessorStore.java:434)
> at org.drools.base.ClassFieldAccessorStore.getAccessor(ClassFieldAccessorStore.java:218)
> at org.drools.factmodel.traits.TraitFactory.buildWrapperClassDefinition(TraitFactory.java:405)
> at org.drools.factmodel.traits.TraitFactory.getCoreWrapper(TraitFactory.java:367)
> at org.drools.base.DefaultKnowledgeHelper.asTraitable(DefaultKnowledgeHelper.java:560)
> at org.drools.base.DefaultKnowledgeHelper.applyTrait(DefaultKnowledgeHelper.java:542)
> at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:521)
> at org.drools.base.DefaultKnowledgeHelper.don(DefaultKnowledgeHelper.java:594)
> at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.defaultConsequence(Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053.java:7)
> at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvokerGenerated.evaluate(Unknown Source)
> at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_1a1b19e093984aefbb595c793975b053DefaultConsequenceInvoker.evaluate(Unknown Source)
> at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:1287)
> at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1221)
> at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1456)
> at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:710)
> at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:674)
> at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:230)
> at org.drools.factmodel.traits.TraitTest.testTraitFieldTypePrimitive(TraitTest.java:37)
> {code}
> This is using the following DRL and model:
> {code}
> package org.drools.factmodel.traits;
> declare trait PassMark
> end
> rule "testTraitFieldTypePrimitive"
> when
> $mark : ExamMark()
> then
> don($mark, PassMark.class);
> end
> {code}
> {code:java}
> package org.drools.factmodel.traits;
> /**
> * A student examination grade - marks out of ten, used as an example of a fact type whose field has a primitive type.
> */
> public class ExamMark {
> private long value;
> public long getValue() {
> return value;
> }
> public void setValue(long value) {
> if (value < 0 || value > 10) {
> throw new IllegalArgumentException("Not a valid grade: " + value);
> }
> this.value = value;
> }
> }
> {code}
> The test is based on {{org.drools.factmodel.traits.TraitTest}}:
> {code:java}
> @Test
> public void testTraitFieldTypePrimitive() {
> String source = "org/drools/factmodel/traits/testTraitFieldTypePrimitive.drl";
> StatefulKnowledgeSession session = getSession( source );
> session.insert(new ExamMark());
> session.fireAllRules();
> }
> {code}
> The workaround is to change the type of {{ExamMark.value}} from {{long}} to {{Long}}.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
More information about the jboss-jira
mailing list