[jboss-jira] [JBoss JIRA] Closed: (JBRULES-2885) DRL Mvel exception parsing escape sequences with \(

[Edson Tirelli (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-2885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli closed JBRULES-2885.
----------------------------------



> DRL Mvel exception parsing escape sequences with \(
> ---------------------------------------------------
>
>                 Key: JBRULES-2885
>                 URL: https://issues.jboss.org/browse/JBRULES-2885
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler
>    Affects Versions: 5.2.0.M1
>         Environment: Windows
> Java 1.5
> Latest version of Drools 5.2.0.M1 including attached mvel version 
>            Reporter: Joe White
>            Assignee: Edson Tirelli
>             Fix For: 5.2.0.M2
>
>
> Exception thrown when adding the DRL below. The DRL isn't pasting correctly there is a slash before the ( and a slash before ) Functions correctly in 5.0.1 and 5.1.1
> *******************DRL**********************************
> package benefitResolution.oop;
> import java.util.Map;
> import com.recondotech.droolsTest.TestObject;
> dialect "mvel"
> rule "Rule with parens"
>       salience 300
>       when
>             $testObj : TestObject($mapData: mapData)
>             Map(this['STRING_WITH_PARENS'] matches '(?i).*\(ROUTINE\).*') from $mapData
>       then
>             System.out.println("PASS");
>       end
> ********************************************************
> ****************Exception******************************
> Unable to determine the used declarations.
> [Error: illegal escape sequence: (]
> [Near : {... ENS'] ~= "(?i).*\(ROUTINE\).* ....}]
>                                           ^
> [Line: 1, Column: 51] : [Rule name='Set Value One Negative']
> java.lang.IllegalArgumentException: Could not parse knowledge.
> 	at com.recondotech.droolsTest.DroolsUpdateTest.readKnowledgeBase(DroolsUpdateTest.java:40)
> 	at com.recondotech.droolsTest.DroolsUpdateTest.testUpdate(DroolsUpdateTest.java:21)
> 	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:597)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
> 	at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
> 	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
> 	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

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