[rules-users] errors with GWT-console

laurence vignollet laurence.vignollet at gmail.com
Fri Apr 9 08:25:20 EDT 2010


I am a new to Drools Flow, guvnor, and GWT-console-server-drools.

I am trying to deploy Gwt-console-server and to get a process running in it.


I am using Drools 5.1.0.M1, JBoss-AS 4.2.3.GA.

I have followed all the instruction in the Drools Flow 5.1.0 Documentation,
the chapter about Console.
When I start the aplication server I get the following errors:

10:31:16,957 INFO  [TomcatDeployer] deploy, ctxPath=/gwt-console-server,
warUrl=
.../deploy/gwt-console-server-drools-5.1.0.M1.war/
10:31:17,275 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap contextInitialized
WARNING: The use of javax.ws.rs.core.Application is deprecated, please use
javax
.ws.rs.Application as a context-param instead
10:31:17,277 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap setProviders
INFO: Adding listed @Provider class org.jboss.bpm.report.FileWriter
10:31:17,309 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider DataSourceProvider
10:31:17,312 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider DefaultTextPlain
10:31:17,315 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.StringTextSta
r
10:31:17,319 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.InputStreamPr
ovider
10:31:17,323 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.ByteArrayProv
ider
10:31:17,327 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.FormUrlEncode
dProvider
10:31:17,330 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.FormUrlEncode
dProvider
10:31:17,334 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin register
INFO: Added built in provider
org.jboss.resteasy.plugins.providers.StreamingOutp
utProvider
10:31:17,342 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalReader
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Mu
ltipartReader
10:31:17,361 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalReader
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Li
stMultipartReader
10:31:17,364 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalReader
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Mu
ltipartFormDataReader
10:31:17,369 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalReader
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Ma
pMultipartFormDataReader
10:31:17,373 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalWriter
INFO: Adding built in
providerorg.jboss.resteasy.plugins.providers.multipart.Mul
tipartWriter
10:31:17,380 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalWriter
INFO: Adding built in
providerorg.jboss.resteasy.plugins.providers.multipart.Mul
tipartFormDataWriter
10:31:17,385 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalWriter
INFO: Adding built in
providerorg.jboss.resteasy.plugins.providers.multipart.Lis
tMultipartWriter
10:31:17,388 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalWriter
INFO: Adding built in
providerorg.jboss.resteasy.plugins.providers.multipart.Map
MultipartFormDataWriter
10:31:17,391 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalReader
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Mu
ltipartFormAnnotationReader
10:31:17,397 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalWriter
INFO: Adding built in
providerorg.jboss.resteasy.plugins.providers.multipart.Mul
tipartFormAnnotationWriter
10:31:17,403 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalProvider
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.IIOImageProv
ider
10:31:17,409 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.p
roviders.RegisterBuiltin optionalProvider
INFO: Adding built in provider
org.jboss.resteasy.plugins.providers.multipart.Mi
meMultipartProvider
10:31:17,462 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Deploying javax.ws.rs.core.Application: class
org.jboss.bpm.console.server
.ConsoleServerApplication
10:31:17,466 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.report.ReportFacade from
Applicati
on javax.ws.rs.core.Application
10:31:17,502 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.console.server.TaskMgmtFacade
from
 Application javax.ws.rs.core.Application
10:31:17,519 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource
org.jboss.bpm.console.server.ProcessMgmtFacade f
rom Application javax.ws.rs.core.Application
10:31:17,532 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.console.server.TaskListFacade
from
 Application javax.ws.rs.core.Application
10:31:17,536 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.console.server.UserMgmtFacade
from
 Application javax.ws.rs.core.Application
10:31:17,543 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource
org.jboss.bpm.console.server.FormProcessingFacad
e from Application javax.ws.rs.core.Application
10:31:17,552 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.console.server.EngineFacade
from A
pplication javax.ws.rs.core.Application
10:31:17,558 ERROR [STDERR] Apr 9, 2010 10:31:17 AM
org.jboss.resteasy.plugins.s
erver.servlet.ResteasyBootstrap processApplication
INFO: Adding singleton resource org.jboss.bpm.console.server.InfoFacade from
App
lication javax.ws.rs.core.Application
10:31:17,593 INFO  [TomcatDeployer] deploy, ctxPath=/jmx-console,
warUrl=.../dep
loy/jmx-console.war/
10:31:17,769 INFO  [Http11Protocol] Starting Coyote HTTP/1.1 on
http-127.0.0.1-8
080
10:31:17,797 INFO  [AjpProtocol] Starting Coyote AJP/1.3 on
ajp-127.0.0.1-8009
10:31:17,815 INFO  [Server] JBoss (MX MicroKernel) [4.2.3.GA (build:
SVNTag=JBos
s_4_2_3_GA date=200807181417)] Started in 26s:425ms




I can enter the GWT-Console but when I search the process I get the
following errors:

   - URL: 'http://127.0.0.1:8080/gwt-console-server/rs/process/definitions'
   - Action: 'org.jboss.bpm.console.client.process.UpdateDefinitionsAction'
   - Exception: 'class com.google.gwt.http.client.RequestException'




   - URL: 'http://127.0.0.1:8080/gwt-console-server/rs/process/definitions'
   - Action: 'org.jboss.bpm.console.client.process.UpdateDefinitionsAction'
   - Exception: 'class com.google.gwt.http.client.RequestException'

HTTP 500: HTTP Status 500 -
------------------------------

*type* Exception report

*message*

*description* *The server encountered an internal error () that prevented it
from fulfilling this request.*

*exception*

org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException:
Could not initialize stateful knowledge session: null
	org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:319)
	org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:230)
	org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:206)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:360)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


	org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

*root cause*

java.lang.RuntimeException: Could not initialize stateful knowledge
session: null
	org.drools.integration.console.DroolsFlowCommandDelegate.newStatefulKnowledgeSession(DroolsFlowCommandDelegate.java:69)
	org.drools.integration.console.DroolsFlowCommandDelegate.getSession(DroolsFlowCommandDelegate.java:77)
	org.drools.integration.console.DroolsFlowCommandDelegate.<init>(DroolsFlowCommandDelegate.java:35)
	org.drools.integration.console.DroolsFlowProcessManagement.<init>(DroolsFlowProcessManagement.java:20)
	org.drools.integration.console.DroolsFlowManagementFactory.createProcessManagement(DroolsFlowManagementFactory.java:11)
	org.jboss.bpm.console.server.ProcessMgmtFacade.getProcessManagement(ProcessMgmtFacade.java:83)

	org.jboss.bpm.console.server.ProcessMgmtFacade.getDefinitionsJSON(ProcessMgmtFacade.java:107)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)
	org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)
	org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)
	org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)
	org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)

	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)

	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96


Thanks a lot in advance for your Help !
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