Seems like your model has some Groovy dependencies. If you upload a jar, all the referenced classes (dependencies) of that jar must to be available to Guvnor. What I recommend to do is to create a plain POJO model without any external library dependency (if possible)
Best Regards, XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti - Developer @ http://www.plugtree.com - Blog @ http://ilesteban.wordpress.com On Wed, Jan 18, 2012 at 6:10 PM, kavita <kavithase...@gmail.com> wrote: > Hi, > > I am trying to upload a POJO jar file into drools guvnor. But it is > throwing > me an error saying "unable to load file". > This is the file that am trying to upload > > http://drools.46999.n3.nabble.com/file/n3669841/QcResult.jar QcResult.jar > > I am running drools guvnor 5.3 on tomcat server. When i looked into the > logs > of tomcat, the following is the stacktrace.. > > SEVERE: Servlet.service() for servlet AssetFileServlet threw exception > java.lang.ClassNotFoundException: groovy.lang.GroovyObject > at > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) > at > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Unknown Source) > at > > org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.java: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.java:104) > at java.lang.ClassLoader.loadClass(Unknown Source) > at > > org.drools.guvnor.server.contenthandler.ModelContentHandler.isClassVisible(ModelContentHandler.java:183) > at > > org.drools.guvnor.server.contenthandler.ModelContentHandler.getImportsFromJar(ModelContentHandler.java:148) > at > > org.drools.guvnor.server.contenthandler.ModelContentHandler.onAttachmentAdded(ModelContentHandler.java:66) > at > > org.drools.guvnor.server.files.FileManagerUtils.attachFileToAsset(FileManagerUtils.java:115) > at > > org.drools.guvnor.server.files.FileManagerUtils.attachFile(FileManagerUtils.java: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(RootInvocationContext.java:32) > at > > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) > at > > org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) > at > > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) > at > > org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77) > at > > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) > at > > org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) > at > > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) > at > > org.jboss.seam.security.SecurityInterceptor.aroundInvoke(SecurityInterceptor.java:163) > at > > org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) > at > org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) > at > > org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) > at > > org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) > at > > org.drools.guvnor.server.files.FileManagerUtils_$$_javassist_seam_10.attachFile(FileManagerUtils_$$_javassist_seam_10.java) > at > > org.drools.guvnor.server.files.AssetFileServlet.processAttachFileToAsset(AssetFileServlet.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(ApplicationFilterChain.java:290) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42) > at > > org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:65) > at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > at > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) > at > > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(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/unable-to-load-jar-file-tp3669841p3669841.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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