12:55 p.m.
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(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.
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2:46 a.m.
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-bounces(a)lists.jboss.org [mailto:rules-users-
bounces(a)lists.jboss.org] On Behalf Of kavita
Sent: 18 January 2012 18:55
To: rules-users(a)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.
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1 comments
2 participants
participants (2)
-
kavita -
Swindells, Thomas