[jboss-jira] [JBoss JIRA] (JBRULES-3366) When adding resources using both MVEL and Java dialects the JavaDialect constructor fails when dialectData is found and stored.

[Alan Zall (JIRA)]

Alan Zall created JBRULES-3366:
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             Summary: When adding resources using both MVEL and Java dialects the JavaDialect constructor fails when dialectData is found and stored.
                 Key: JBRULES-3366
                 URL: https://issues.jboss.org/browse/JBRULES-3366
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-compiler
    Affects Versions: 5.3.1.Final
         Environment: Linux
            Reporter: Alan Zall
            Assignee: Mark Proctor


In the constructor of JavaDialect, if pkg.getDialectRuntimeRegistry().getDialectData( ID ) returns a non null value, then a null is passed into the PackageStore constructor.

        if ( pkg.getDialectRuntimeRegistry().getDialectData( ID ) == null ) {
            data = new JavaDialectRuntimeData();
            this.pkg.getDialectRuntimeRegistry().setDialectData( ID,
                                                                 data );
            data.onAdd( this.pkg.getDialectRuntimeRegistry(),
                        this.packageBuilder.getRootClassLoader() );
        }

        this.packageStoreWrapper = new PackageStore( data,
                                                     this.results );

is fixed by:

        if (( data = (JavaDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( ID )) == null ) {
            data = new JavaDialectRuntimeData();
            this.pkg.getDialectRuntimeRegistry().setDialectData( ID,
                                                                 data );
            data.onAdd( this.pkg.getDialectRuntimeRegistry(),
                        this.packageBuilder.getRootClassLoader() );
        }

        this.packageStoreWrapper = new PackageStore( data, this.results );


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