[jboss-jira] [JBoss JIRA] (DROOLS-8) Traits: java.lang.VerifyError when you don a trait on a JavaBean with primitive field type

[ https://issues.jboss.org/browse/DROOLS-8?page=com.atlassian.jira.plugin.s... ] 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} 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} 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_143d623ff57642cf9f0a23414105029d.defaultConsequence(Rule_testTraitFieldTypePrimitive_143d623ff57642cf9f0a23414105029d.java:7) at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_143d623ff57642cf9f0a23414105029dDefaultConsequenceInvokerGenerated.evaluate(Unknown Source) at org.drools.factmodel.traits.Rule_testTraitFieldTypePrimitive_143d623ff57642cf9f0a23414105029dDefaultConsequenceInvoker.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} -- This message is automatically generated by JIRA. 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