[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1985) NPE in parser on optional metadata ()

[Edson Tirelli (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-1985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli closed JBRULES-1985.
----------------------------------

    Resolution: Done


Done.

> NPE in parser on optional metadata ()
> -------------------------------------
>
>                 Key: JBRULES-1985
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-1985
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler
>    Affects Versions: 5.0.0.M5
>            Reporter: Edson Tirelli
>            Assignee: Edson Tirelli
>             Fix For: 5.0.0.CR1
>
>
> The exception:
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.drools.lang.RuleParserTest.execTreeParser(RuleParserTest.java:4071)
>         at org.drools.lang.RuleParserTest.newParser(RuleParserTest.java:4038)
>         at org.drools.lang.RuleParserTest.parse(RuleParserTest.java:3996)
>         at org.drools.lang.RuleParserTest.parseResource(RuleParserTest.java:4025)
>         at org.drools.lang.RuleParserTest.testTypeDeclaration1(RuleParserTest.java:3762)
> Caused by: java.lang.NullPointerException
>         at org.drools.lang.descr.DescrFactory.createTypeField(DescrFactory.java:401)
>         at org.drools.lang.DescrBuilderTree.decl_field(DescrBuilderTree.java:1758)
>         at org.drools.lang.DescrBuilderTree.type_declaration(DescrBuilderTree.java:1592)
>         at org.drools.lang.DescrBuilderTree.statement(DescrBuilderTree.java:575)
>         at org.drools.lang.DescrBuilderTree.compilation_unit(DescrBuilderTree.java:222)
>         ... 34 more
>  
>  
> Here is the drl that causes it:
>  
> [declare_type_1.drl]
>  
> package org.drools;
> declare NetworkNode
>             locElevation: java.math.BigDecimal
>             name: String @key
>             nodeClass: String
>             locLongitude: java.math.BigDecimal
>             nodeType: String
>             locLatitude: java.math.BigDecimal
> end
> declare NetworkConnection
>             id: String @key
>             node1: NetworkNode
>             node2: NetworkNode
>             hops: Integer
> end
> declare NetworkEvent
>             @role( event )
>             @timestamp( creationTime )
>             id: String @key
>             locElevation: java.math.BigDecimal
>             description: String
>             sourceComponent: NetworkNode
>             locLongitude: java.math.BigDecimal
>             severity: Integer
>             creationTime: java.util.Date
>             locLatitude: java.math.BigDecimal
> end
>  
> the test function in RuleParserTest.java you can use to replicate:
>  
>     public void testTypeDeclaration1() throws Exception {
>         parseResource( "compilation_unit",
>                        "compilation_unit",
>                        "declare_type_1.drl" );
>         final PackageDescr pack = walker.getPackageDescr();
>  
>         final List<TypeDeclarationDescr> declarations = pack.getTypeDeclarations();
>  
>         assertEquals( 3,
>                       declarations.size() );
>     }
>  
> I believe @key is the cause, I based my code on the example from the documentation:
>  
> declare Person
>     @author( Bob )
>     @dateOfCreation( 01-Feb-2009 )
>  
>     name : String @key @maxLength( 30 )
>     dateOfBirth : Date
>     address : Address
> end
>  
> Regards
>  
> --zoly
>  

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