Hi, Thanks for ur response......i have solved that problem by removing some unnecessary dependency from my pom.xml file...... thanks to allllllllllllllllllllllllllllll... Thanks & Regards, subhransu sekhar Hi, first i have integrated my resteasy ws to jbpm workflow project and added all the necessay jars to it.it is succesfully excuted in command prompt and created the wars in repository. but whenever i am trying to deploy that war file in tomcat(6) it shows the following errors: java.lang.NoClassDefFoundError: org/drools/rule/CompositeClassLoader at org.drools.builder.impl.KnowledgeBuilderProviderImpl.newKnowledgeBuil der(KnowledgeBuilderProviderImpl.java:29) at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(Knowle dgeBuilderFactory.java:29) at com.ocqc.flow.OCQCWorkflowManager.readKnowledgeBase(OCQCWorkflowManag er.java:59) at com.ocqc.flow.OCQCWorkflowManager.operate(OCQCWorkflowManager.java:40 ) at com.ocqc.flow.OCQCWorkflowManager.initProcess(OCQCWorkflowManager.jav a:31) at com.restfully.shop.services.JobResource.getAvailableReport(JobResourc e.java:72) 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.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl. java:140) at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod. java:255) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220 ) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209 ) at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(Synchronous Dispatcher.java:519) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispa tcher.java:496) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispa tcher.java:119) at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher. service(ServletContainerDispatcher.java:208) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.servi ce(HttpServletDispatcher.java:55) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.servi ce(HttpServletDispatcher.java:50) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav a:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java :859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce ss(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:48 9) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: org.drools.rule.CompositeClassLoade r at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa der.java:1647) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa der.java:1493) ... 33 more plaese help ..... Thanks & Regards subhransu sekhar