[JBoss JIRA] Created: (JBRULES-2045) Rules Fact Error In Complex Condition Structure
by Hao Chen (JIRA)
Rules Fact Error In Complex Condition Structure
-----------------------------------------------
Key: JBRULES-2045
URL: https://jira.jboss.org/jira/browse/JBRULES-2045
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-core
Affects Versions: 4.0.6
Reporter: Hao Chen
Assignee: Mark Proctor
We are running into a complex production rule that either doesn't work or generate errors. I debugged and it seems Drools is not using the correct fact for some segments of the rule conditions. Steps to reproduce
1. Build the attached test case
2. Run the DroolsDefectTest junit test, it should print value "Worked!" on the output console.
3. Modify the rule by remove the commented condition that uses variable b2.
4. Run the test again.
Expected result: the rule should output "Worked!" again.
Actual result: failed with error:
org.drools.RuntimeDroolsException: org.drools.test.Rule_test_0Eval4Invoker@68f1f17a : java.lang.NumberFormatException: For input string: "Y"
at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:82)
at org.drools.reteoo.EvalConditionNode.assertTuple(EvalConditionNode.java:148)
at org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:20)
at org.drools.reteoo.JoinNode.assertObject(JoinNode.java:156)
at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318)
at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:145)
at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:299)
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:162)
at org.drools.reteoo.Rete.assertObject(Rete.java:175)
at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
at org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:915)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:887)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:688)
at com.firstbest.rules.DroolsDefectTest.test_drools(DroolsDefectTest.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: java.lang.NumberFormatException: For input string: "Y"
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.valueOf(Unknown Source)
at com.firstbest.rules.Field.intValue(Field.java:29)
at org.drools.test.Rule_test_0.eval4(Rule_test_0.java:32)
at org.drools.test.Rule_test_0Eval4Invoker.evaluate(Rule_test_0Eval4Invoker.java:20)
at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:77)
... 32 more
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12 years, 12 months
[JBoss JIRA] Created: (JBRULES-2123) issue with the call of a drl function
by Marco Ghanitab (JIRA)
issue with the call of a drl function
-------------------------------------
Key: JBRULES-2123
URL: https://jira.jboss.org/jira/browse/JBRULES-2123
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-core
Affects Versions: 5.0.1.FINAL
Reporter: Marco Ghanitab
Assignee: Mark Proctor
Priority: Minor
in a drl file with a rule "reset" ad a function "formatDate",a bad behaviour is verified when is called the function in the "when" block..it call the function many times, but if the function called is stored in a external java file (not drl) everything works fine, and it call the function only 2 times (correct).
Here the code of the drl file:
rule "reset"
when
$conversation:Conversation(resource.code == "sms", tickets.size > 0)
not Discount(date == (formatDate($conversation.getStopDate())))
then
Discount discount = new Discount();
discount.setDate(formatDate($conversation.getStopDate()));
discount.setQuantity(495);
insert(discount);
System.out.println("reset " + discount.getDate());
end
declare Discount
date : String
quantity : int
end
function String formatDate(java.util.Date date) {
java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("dd/MM/yy");
return formatter.format(date);
}
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12 years, 12 months
[JBoss JIRA] Created: (JBRULES-2052) DrlDumper does wrong dumps, when lhs contains complex conditions with And.
by Kateryna Rudenko (JIRA)
DrlDumper does wrong dumps, when lhs contains complex conditions with And.
----------------------------------------------------------------------------
Key: JBRULES-2052
URL: https://jira.jboss.org/jira/browse/JBRULES-2052
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-core
Affects Versions: 5.0.0.CR1
Reporter: Kateryna Rudenko
Assignee: Mark Proctor
DrlDumper does wrong dumps, when lhs contains complex conditions with And.
When there is ConditionalElementDescr in other ConditionalElementDescr, DrlDumper prints condition without round brackets. But should, because formed text can not be parsed with DrlParser into the same tree structure.
Example 1.
rule in file "Test1.drl":
rule "continued_rule"
no-loop true
when
($a : Action1() || $b : Action2())
&&
($c : Action3() || $d : Action4())
then
System.out.println("Fired.");
end
And method:
public void test1() throws DroolsParserException
{
DrlParser parser = new DrlParser();
final InputStream drl = getClass().getResourceAsStream(
"Test1.drl");
final PackageDescr packageDescr = parser.parse(drl);
if (parser.hasErrors())
{
Assert.fail(parser.getErrors().toString());
}
final String dump = new DrlDumper().dump(packageDescr);
System.out.println(dump);
}
Output is:
rule "continued_rule"
no-loop true
when
$a : Action1( ) || $b : Action2( ) && $c : Action3( ) || $d : Action4( )
then
System.out.println("Fired.");
end
According to operation priority in this case will be
$a : Action1( ) || ($b : Action2( ) && $c : Action3( )) || $d : Action4( )
and it is quite another operation.
DrlDumper should support brackets to save operation grouping.
Example 2.
Rule
rule "continued_rule2"
no-loop true
when
($a : Action1() && $b : Action2())
||
($c : Action3() && $d : Action4())
then
System.out.println("Fired.");
end
Out after performing test1() from Example 1:
rule "continued_rule"
no-loop true
when
$a : Action1( ) || $c : Action3( )
then
System.out.println("Fired.");
end
DrlDumper lost $b : Action2() and $d : Action4()! It happened because processOrDescrList in DrlDumper.
In string
if ( descrString.endsWith( DrlDumper.eol ) ) {
descrString = descrString.substring( 0,
descrString.indexOf( DrlDumper.eol ) );
}
we lose all subconditions except first line. It should be
if ( descrString.endsWith( DrlDumper.eol ) ) {
descrString = descrString.substring( 0,
descrString.LastIndexOf( DrlDumper.eol ) );
}.
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12 years, 12 months
[JBoss JIRA] Created: (JBRULES-2040) Drools, Jboss AS, Dynamic Bean Generation
by Shawn Ritchie (JIRA)
Drools, Jboss AS, Dynamic Bean Generation
------------------------------------------
Key: JBRULES-2040
URL: https://jira.jboss.org/jira/browse/JBRULES-2040
Project: JBoss Drools
Issue Type: Task
Security Level: Public (Everyone can see)
Components: All
Affects Versions: 4.0.7
Environment: Jboss Application Server v4.2
Drools 4.0.7
Javassist
JDK1.6
Reporter: Shawn Ritchie
Assignee: Mark Proctor
The issues is this guys i am creating a bean dynamically in this simple example i have an arraylist of strings which will create a private field, and a getXXX and a setXXX method for each of these fields
The problem arises when i try to load the .drl file in the package builder which gives me the follow error (SEE BELOW)
I suspect it has something to do with the class loader or the package structure in the rules?
Any suggestion reading material or help would be greatly usefull
the code i have loaded is a simple application which replicates the error
22:20:59,435 ERROR [STDERR] Unable to create Field Extractor for 'name' of '[ClassObjectType class=com.beancreation.personXYZ]' in rule 'Credit Allowed' : [Rule name=Credit Allowed, agendaGroup=MAIN, salience=0, no-loop=false]
22:20:59,435 ERROR [STDERR] Rule Compilation error : [Rule name=Credit Allowed, agendaGroup=MAIN, salience=0, no-loop=false]
com/beancreation/Rule_Credit_Allowed_0.java (1:0) : The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files
com/beancreation/Rule_Credit_Allowed_0.java (1:8) : The package com.beancreation collides with a type
com/beancreation/Rule_Credit_Allowed_0.java (2:34) : The import com.beancreation cannot be resolved
22:20:59,435 INFO [STDOUT] Could not parse knowledge.
22:20:59,435 ERROR [STDERR] java.lang.IllegalArgumentException: Could not parse knowledge.
22:20:59,435 ERROR [STDERR] at com.expertsystem.DroolsExecution.loadRules(DroolsExecution.java:49)
22:20:59,435 ERROR [STDERR] at com.create.TestCase.run(TestCase.java:52)
22:20:59,445 ERROR [STDERR] at org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
22:20:59,445 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
22:20:59,445 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
22:20:59,445 ERROR [STDERR] java.lang.IllegalArgumentException: Could not parse knowledge.
22:20:59,445 ERROR [STDERR] at com.expertsystem.DroolsExecution.loadRules(DroolsExecution.java:49)
22:20:59,445 ERROR [STDERR] at com.create.TestCase.run(TestCase.java:52)
22:20:59,445 ERROR [STDERR] at org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
22:20:59,445 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
22:20:59,445 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
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12 years, 12 months
[JBoss JIRA] Created: (JBRULES-1829) Nested From Tag Not Supported in Drools
by Nagarajan Shanmugam (JIRA)
Nested From Tag Not Supported in Drools
---------------------------------------
Key: JBRULES-1829
URL: https://jira.jboss.org/jira/browse/JBRULES-1829
Project: JBoss Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-compiler
Affects Versions: 5.0.0.M2
Environment: Windows XP, Eclipse 3.3.
Reporter: Nagarajan Shanmugam
Assignee: Mark Proctor
HI i have Created one rule file that have two From tag. Using XmlDumper I create Xml rule file. When i try to parse that Xml rule file its throwing Error. And also the parsed Xml files also Wrong.
Exception in thread "main" org.drools.compiler.DroolsParserException: org.xml.sax.SAXParseException: <from> may not be nested
at com.drools.service.ConvertDrlToXml.main(ConvertDrlToXml.java:47)
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12 years, 12 months
[JBoss JIRA] Created: (JBRULES-1009) Can't execute rules twice with a second classloader
by aaron dixon (JIRA)
Can't execute rules twice with a second classloader
---------------------------------------------------
Key: JBRULES-1009
URL: http://jira.jboss.com/jira/browse/JBRULES-1009
Project: JBoss Rules
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: Reteoo
Affects Versions: 4.0.0.MR3
Reporter: aaron dixon
Assigned To: Mark Proctor
Priority: Minor
Attachments: drools-test.zip
I am trying to sequentially perform two rules executions using two
different classloaders in the same VM. I create completely new state
for each execution, yet I still fail on the second execution (the first execution succeeds). I
believe this has to do with some internal static cached state that
JBossRules is maintaining. An integration test is attached as an archived Eclipse project (zip).
Exception thrown:
Exception in thread "main" java.lang.ClassCastException: test.drools.classloader.FooShadowProxy
at org.drools.base.test.drools.classloader.Foo$getName.getValue(Unknown Source)
at org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:94)
at org.drools.base.evaluators.StringFactory$StringEqualEvaluator.evaluate(StringFactory.java:85)
at org.drools.rule.LiteralRestriction.isAllowed(LiteralRestriction.java:61)
at org.drools.rule.LiteralConstraint.isAllowed(LiteralConstraint.java:82)
at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:121)
at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:20)
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:159)
at org.drools.reteoo.Rete.assertObject(Rete.java:175)
at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190)
at org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:70)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:772)
at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:584)
at org.drools.reteoo.ReteooStatelessSession.execute(ReteooStatelessSession.java:63)
at test.drools.classloader.Driver.testRules(Driver.java:49)
at test.drools.classloader.Driver.go(Driver.java:35)
at test.drools.classloader.Driver.main(Driver.java:19)
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12 years, 12 months
[JBoss JIRA] (JBRULES-3379) org.antlr.runtime.CommonToken cannot be cast to org.drools.lang.DroolsToken
by sundaranarayanan rengasamy (JIRA)
sundaranarayanan rengasamy created JBRULES-3379:
---------------------------------------------------
Summary: org.antlr.runtime.CommonToken cannot be cast to org.drools.lang.DroolsToken
Key: JBRULES-3379
URL: https://issues.jboss.org/browse/JBRULES-3379
Project: Drools
Issue Type: Bug
Security Level: Public (Everyone can see)
Components: drools-compiler (expert)
Affects Versions: 5.2.0.Final
Environment: eclipse
Reporter: sundaranarayanan rengasamy
Assignee: Mark Proctor
Fix For: FUTURE
I am using Decision table for the condition. I want to compare, two properties of two different class. when creating the object types for that classes in a cell I am facing the problem. I am using drools-compiler5.2.0 FINAL jar file.
The problem is:
Description Resource Path Location Type
Unexpected exception raised while parsing. This is a bug. Please contact the Development team :
java.lang.ClassCastException: org.antlr.runtime.CommonToken cannot be cast to org.drools.lang.DroolsToken
[org.drools.lang.ParserHelper.emit(ParserHelper.java:89), org.drools.lang.DRLParser.fact(DRLParser.java:9214), org.drools.lang.DRLParser.fact_binding(DRLParser.java:8872), org.drools.lang.DRLParser.lhs_pattern(DRLParser.java:8713), org.drools.lang.DRLParser.pattern_source(DRLParser.java:7017), org.drools.lang.DRLParser.lhs_unary(DRLParser.java:5846), org.drools.lang.DRLParser.lhs_and(DRLParser.java:5559), org.drools.lang.DRLParser.lhs_or(DRLParser.java:5249), org.drools.lang.DRLParser.lhs(DRLParser.java:5047), org.drools.lang.DRLParser.normal_lhs_block(DRLParser.java:4953), org.drools.lang.DRLParser.when_part(DRLParser.java:3217), org.drools.lang.DRLParser.rule(DRLParser.java:3009), org.drools.lang.DRLParser.statement(DRLParser.java:746), org.drools.lang.DRLParser.compilation_unit(DRLParser.java:340), org.drools.compiler.DrlParser.compile(DrlParser.java:231), org.drools.compiler.DrlParser.parse(DrlParser.java:71), org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(DroolsEclipsePlugin.java:416), org.drools.eclipse.DroolsEclipsePlugin.parseXLSResource(DroolsEclipsePlugin.java:310), org.drools.eclipse.builder.DroolsBuilder.parseXLSFile(DroolsBuilder.java:306), org.drools.eclipse.builder.DroolsBuilder.parseResource(DroolsBuilder.java:206), org.drools.eclipse.builder.DroolsBuilder$DroolsBuildVisitor.visit(DroolsBuilder.java:149), org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:112), org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:64), org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82), org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86), org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86), org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86), org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86), org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127), org.eclipse.core.internal.resources.Resource.accept(Resource.java:74), org.eclipse.core.internal.resources.Resource.accept(Resource.java:110), org.eclipse.core.internal.resources.Resource.accept(Resource.java:94), org.drools.eclipse.builder.DroolsBuilder.fullBuild(DroolsBuilder.java:133), org.drools.eclipse.builder.DroolsBuilder.build(DroolsBuilder.java:95), org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629), org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42), org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172), org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203), org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255), org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42), org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258), org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311), org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343), org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144), org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242), org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)] POC.xls /drools poc/src/main/rules Unknown Drools Error
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12 years, 12 months