[jboss-jira] [JBoss JIRA] Assigned: (JBRULES-3004) NPE due to incomplete UnicodeEscape

[Mark Proctor (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor reassigned JBRULES-3004:
-------------------------------------

    Assignee: Edson Tirelli  (was: Mark Proctor)


> NPE due to  incomplete UnicodeEscape
> ------------------------------------
>
>                 Key: JBRULES-3004
>                 URL: https://issues.jboss.org/browse/JBRULES-3004
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.2.0.M2
>            Reporter: Wolfgang Laun
>            Assignee: Edson Tirelli
>
> Foo( name == "\u041+" ) # incomplete nicode escape - only3 characters
> Line and column numbers are very much off from the real numbers!
> [123,6]: [ERR 102] Line 123:6 mismatched input ''
> [0,0]: Line 1:0 unexpected exception at input 'package'. Exception: java.lang.NullPointerException. Stack trace:
>  java.lang.NullPointerException
> 	at org.drools.lang.DroolsParserExceptionFactory.expectedTokensAsString(DroolsParserExceptionFactory.java:259)
> 	at org.drools.lang.DroolsParserExceptionFactory.createErrorMessage(DroolsParserExceptionFactory.java:188)
> 	at org.drools.lang.DroolsParserExceptionFactory.createDroolsException(DroolsParserExceptionFactory.java:100)
> 	at org.drools.lang.DRLLexer.reportError(DRLLexer.java:102)
> 	at org.antlr.runtime.Lexer.nextToken(Lexer.java:98)
> 	at org.antlr.runtime.CommonTokenStream.fillBuffer(CommonTokenStream.java:119)
> 	at org.antlr.runtime.CommonTokenStream.LT(CommonTokenStream.java:238)
> 	at org.antlr.runtime.CommonTokenStream.LA(CommonTokenStream.java:300)
> 	at org.drools.lang.DRLParser.compilationUnit(DRLParser.java:133)
> 	at org.drools.compiler.DrlParser.compile(DrlParser.java:225)
> 	at org.drools.compiler.DrlParser.parse(DrlParser.java:136)
> 	at org.drools.compiler.DrlParser.parse(DrlParser.java:141)
> 	at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:294)
> 	at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:473)
> 	at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)

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