[rules-users] unable to load jar file
kavitha sethu
kavithasethu at gmail.com
Wed Jan 18 12:49:22 EST 2012
Hi,
Can anybody tell me how to use groovy classes as fact classes in guvnor.
Because, i tried to upload the jar file of the java classes and it seems to
be working fine.
Thanks,
Kavitha.
On Wed, Jan 18, 2012 at 10:13 AM, Esteban Aliverti <
esteban.aliverti at gmail.com> wrote:
> 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 <kavithasethu at 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.
>> _______________________________________________
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>> rules-users at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>
>
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