[JBoss JIRA] (DROOLS-110) KieModuleMetaData: Java Beans must have an explicit package (i.e. default package causes NPE)

Friday, 26 April 2013

    [
https://issues.jboss.org/browse/DROOLS-110?page=com.atlassian.jira.plugin...
] 

Michael Anstis commented on DROOLS-110:
---------------------------------------

Proposed changes to fix:-

KieModuleMetaDataImpl.java

    public Class<?> getClass(String pkgName, String className) {
        try {
...
>            if(!(pkgName==null || pkgName.isEmpty())) {
>                return Class.forName(pkgName + "." + className, false,
getClassLoader());
>            }
>            return Class.forName(className, false, getClassLoader());         }
catch (ClassNotFoundException e) {
            return null;
        }
    }

org.drools.core.util.ClassUtils$MapClassLoader:-

        public Class<?> fastFindClass( final String name ) {
            Class<?> cls = findLoadedClass( name );

            if (cls == null) {
                final byte[] clazzBytes = this.map.get( convertClassToResourcePath( name )
);
                if (clazzBytes != null) {
...
>                    String pkgName = "";
>                    if(name.lastIndexOf( '.' ) > 0) {
>                        pkgName = name.substring( 0,
>                                                  name.lastIndexOf( '.' ) );
>                    }                     if (getPackage( pkgName ) == null) {
                        definePackage( pkgName,
                                       "",
                                       "",
                                       "",
                                       "",
                                       "",
                                       "",
                                       null );
                    }

                    cls = defineClass( name,
                                       clazzBytes,
                                       0,
                                       clazzBytes.length,
                                       PROTECTION_DOMAIN );
                }

                if (cls != null) {
                    resolveClass( cls );
                }
            }

            return cls;
        }

...
 KieModuleMetaData: Java Beans must have an explicit package (i.e.
default package causes NPE)

---------------------------------------------------------------------------------------------

                 Key: DROOLS-110
                 URL: https://issues.jboss.org/browse/DROOLS-110
             Project: Drools
          Issue Type: Bug
      Security Level: Public(Everyone can see) 
    Affects Versions: 6.0.0.Beta2
            Reporter: Michael Anstis
            Assignee: Mark Proctor

 Please see test here: http://github.com/droolsjbpm/drools/commit/01049a2de
 Java Beans must have an explicit package. This cannot be guaranteed (although it is
accepted as best practice). 
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