[jboss-jira] [JBoss JIRA] (JBRULES-1801) drools-ant-4.0.7, DroolsCompilerAntTask, classloader mixup leads to ClassCastException if drools-compiler.jar part of classpathref

[Geoffrey De Smet (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-1801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey De Smet resolved JBRULES-1801.
---------------------------------------

      Assignee: Geoffrey De Smet  (was: Mark Proctor)
    Resolution: Out of Date


Out of date. drools-ant is now properly distributed as part of the drooljbpm-tools distribution zip, which should fix this.

Pls reopen if the issue occurs with drools 5.4.0.Beta2 or later.
                
> drools-ant-4.0.7, DroolsCompilerAntTask, classloader mixup leads to ClassCastException if drools-compiler.jar part of classpathref
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-1801
>                 URL: https://issues.jboss.org/browse/JBRULES-1801
>             Project: Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: drools-ant
>    Affects Versions: 4.0.7
>            Reporter: Juergen H
>            Assignee: Geoffrey De Smet
>
> drools-4.0.7:
> Original error in build.xml:
> /home/juergen/workspace/eclipse/kusss-dev/build.xml:777: RuleBaseTask failed: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java'
> Traceback to:
> org.drools.compiler.PackageBuilderConfiguration, line 154+:
>             Class cls = classLoader.loadClass( dialectClass );
>             DialectConfiguration dialectConf = (DialectConfiguration) cls.newInstance();
> cls is org.drools.rule.builder.dialect.java.JavaDialectConfiguration, but loaded via classloader given in drools compile ant task property classpathref, while DialectConfiguration is loaded via ant tool classpath used for taskdef
> -->
> java.lang.ClassCastException: org.drools.rule.builder.dialect.java.JavaDialectConfiguration
> interim fix:
> make sure drools-compiler.jar is not in classpath of classloaderref
> suggested fix:
>             Class cls = DialectConfiguration.class.getClassLoader().loadClass( dialectClass );

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