Hello, did you set the java compiler name : "JANINO" or "JAVA" ?
2009/7/28 <[email protected]> > > Hi > > I still have not got any solution of my problem that I posted previously. I > have included all required jar files and set proper class path .. Please do > help ? > > problem: > I am trying to integrate Drool with ofbiz and run application from > command prompt. In one way I have integrated it properly and I am able to > run it *successfully.* > * > Code :* Which I was using initially > > KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); > > or > > PackageBuilderConfiguration cfg = new PackageBuilderConfiguration(); > KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); > * > Exception I got :* > > org.drools.RuntimeDroolsException: Unable to load dialect > 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java > :org.drools.rule.builder.dialect.java.JavaDialectConfiguration' > at > org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:274) > at > org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:259) > > > at > org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:176) > at > org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:153) > at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:242) > . > . > . > Caused by: java.lang.NullPointerException > at > org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:92) > at > org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:55) > at > org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:270 > * > Problem I found : * > In the class JavaDialectConfiguration in jar file drools-compiler.jar there > is a method named "setCompliler", in this method Null Pointer Exception was > coming. > * > Solution I provided :* > In my application I created my custom class CustomJavaDialectConfiguration > by extending to class JavaDialectConfiguration, In this class I overrided > the method setCompiler. My method was exactly same as that of method > setCompiler in JavaDialectConfiguration . To call my dialect class I also > overrided the method "addDialect" of PackageBuilderConfiguration class . For > that I created class CustomPackageBuilderConfiguration by extending to > PackageBuilderConfiguration. > after that I wrote the code: > > PackageBuilderConfiguration cfg = new CustomPackageBuilderConfiguration(); > KnowledgeBuilder kbuilder = > KnowledgeBuilderFactory.newKnowledgeBuilder(cfg); > > > Now application is running perfectly fine from both eclipse and command > prompt without any exception. > * > I want to know as my overrided method "setCompiler" was exactly same then > why I had to override method, and In original code (ie in > drools-compiler.jar file) why it was giving exception ??? Was that due to > class lader or something else ?? Please do help in this regard ....* > > > > Thanks & Regards: > > Pankaj Jain | L&T infotech |Navi Mumbai > Mobile: +91 9920218945 > Email : [email protected] > www.Lntinfotech.com > > "Whatever the mind of man can conceive & believe, it can achieve." > * > Larsen & Toubro Infotech Ltd.** > **www.Lntinfotech.com* <http://www.lntinfotech.com/> > > This Document is classified as: > > L&T Infotech Proprietary L&T Infotech Confidential L&T Infotech > Internal Use Only L&T Infotech General Business > > This Email may contain confidential or privileged information for the > intended recipient (s) If you are not the intended recipient, please do not > use or disseminate the information, notify the sender and delete it from > your system. > ______________________________________________________________________ > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > >
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