It can't find the class groovy.lang.GroovyObject, looks like you need to deploy the groovy jars into guvnor/tomcat so that they are available.
Thomas > -----Original Message----- > From: rules-users-boun...@lists.jboss.org [mailto:rules-users- > boun...@lists.jboss.org] On Behalf Of kavita > Sent: 18 January 2012 18:55 > To: rules-users@lists.jboss.org > Subject: [rules-users] Groovy classes as fact classes in drool > > Hi, > > Can anybody tell me how to use groovy classes as fact classes in drools. > When i try to upload the jar file generated from the groovy class am getting > the following error: > > SEVERE: Servlet.service() for servlet AssetFileServlet threw exception > java.lang.ClassNotFoundException: groovy.lang.GroovyObject > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoad > er.java:1680) > at > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoad > er.java:1526) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Unknown Source) > at > org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.jav > a:109) > at java.lang.ClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClassCond(Unknown Source) > at java.lang.ClassLoader.defineClass(Unknown Source) > at > org.drools.rule.MapBackedClassLoader.fastFindClass(MapBackedClassLoader > .java:86) > at > org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.jav > a:104) > at java.lang.ClassLoader.loadClass(Unknown Source) > at > org.drools.guvnor.server.contenthandler.ModelContentHandler.isClassVisibl > e(ModelContentHandler.java:183) > at > org.drools.guvnor.server.contenthandler.ModelContentHandler.getImports > FromJar(ModelContentHandler.java:148) > at > org.drools.guvnor.server.contenthandler.ModelContentHandler.onAttachm > entAdded(ModelContentHandler.java:66) > at > org.drools.guvnor.server.files.FileManagerUtils.attachFileToAsset(FileManag > erUtils.java:115) > at > org.drools.guvnor.server.files.FileManagerUtils.attachFile(FileManagerUtils.j > ava:87) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown > Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) > at > org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationCo > ntext.java:32) > at > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationC > ontext.java:56) > at > org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterc > eptor.java:28) > at > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationC > ontext.java:68) > at > org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor > .java:77) > at > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationC > ontext.java:68) > at > org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodCon > textInterceptor.java:44) > at > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationC > ontext.java:68) > at > org.jboss.seam.security.SecurityInterceptor.aroundInvoke(SecurityIntercept > or.java:163) > at > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationC > ontext.java:68) > at > org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) > at > org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBean > Interceptor.java:185) > at > org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.j > ava:103) > at > org.drools.guvnor.server.files.FileManagerUtils_$$_javassist_seam_10.attac > hFile(FileManagerUtils_$$_javassist_seam_10.java) > at > org.drools.guvnor.server.files.AssetFileServlet.processAttachFileToAsset(Ass > etFileServlet.java:97) > at > org.drools.guvnor.server.files.AssetFileServlet.doPost(AssetFileServlet.java: > 49) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFi > lterChain.java:290) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChai > n.java:206) > at > org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42) > at > org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpSe > rvletRequest.java:65) > at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFi > lterChain.java:235) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChai > n.java:206) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV > alve.java:233) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal > ve.java:191) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: > 127) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:1 > 02) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. > java:109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:2 > 93) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:85 > 9) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proces > s(Http11Protocol.java:602) > at > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > at java.lang.Thread.run(Unknown Source) > > Please help. > > Thanks, > Kavitha. > > -- > View this message in context: http://drools.46999.n3.nabble.com/Groovy- > classes-as-fact-classes-in-drool-tp3670101p3670101.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users 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