drools-ant-4.0.7, DroolsCompilerAntTask, classloader mixup leads to ClassCastException if drools-compiler.jar part of classpathref ---------------------------------------------------------------------------------------------------------------------------------- Key: JBRULES-1801 URL: https://jira.jboss.org/jira/browse/JBRULES-1801 Project: JBoss Drools Issue Type: Feature Request Security Level: Public (Everyone can see) Components: drools-ant Affects Versions: 4.0.7 Reporter: Juergen none Assignee: Mark Proctor 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 ); -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira