[rules-dev] Drools and GWT Application integration
Mauricio Salatino
salaboy at gmail.com
Wed Sep 11 07:20:53 EDT 2013
Where did you add it? which version?
On Wed, Sep 11, 2013 at 12:02 PM, Moses Kalema <mkgremo20 at gmail.com> wrote:
> I have added it but still get the same error.I can even import that class
> in my code.
>
>
> com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract com.planet.requisition.client.rules.RequisitionTemp com.planet.requisition.client.rules.RequisitionTempService.getRequisitionDet(java.lang.String,int)' threw an unexpected exception: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
>
>
> at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:385)
> at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:588)
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
>
>
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>
>
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>
>
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
>
>
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>
>
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>
>
> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
> Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
> at org.drools.util.ServiceRegistryImpl.<clinit>(ServiceRegistryImpl.java:55)
>
>
> at org.drools.builder.KnowledgeBuilderFactory.loadServiceFactory(KnowledgeBuilderFactory.java:130)
> at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderServiceFactory(KnowledgeBuilderFactory.java:124)
>
>
> at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:46)
> at com.planet.requisition.server.RequisitionTempServiceImpl.getRequisitionDet(RequisitionTempServiceImpl.java:49)
>
>
> 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
>
>
> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
>
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>
>
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>
>
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>
>
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>
>
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>
>
> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
> Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
> at java.net.URLClassLoader$1.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
>
>
> at java.net.URLClassLoader.findClass(Unknown Source)
> at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload$WebAppClassLoaderExtension.findClass(JettyLauncher.java:372)
> at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:366)
>
>
> at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337)
> at org.drools.util.ServiceRegistryImpl.<clinit>(ServiceRegistryImpl.java:55)
> at org.drools.builder.KnowledgeBuilderFactory.loadServiceFactory(KnowledgeBuilderFactory.java:130)
>
>
> at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderServiceFactory(KnowledgeBuilderFactory.java:124)
> at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:46)
>
> at com.planet.requisition.server.RequisitionTempServiceImpl.getRequisitionDet(RequisitionTempServiceImpl.java:49)
>
> 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
>
>
> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>
>
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>
>
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>
>
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
>
>
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>
>
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>
>
> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
>
>
>
> On Wed, Sep 11, 2013 at 1:05 PM, Mauricio Salatino <salaboy at gmail.com>wrote:
>
>> If you are using maven you will need to add the dependency to your pom
>> file.. if not you will need to get the jar from somewhere.. like here for
>> example: http://slf4j.org
>>
>>
>> On Wed, Sep 11, 2013 at 11:01 AM, Moses Kalema <mkgremo20 at gmail.com>wrote:
>>
>>> Where can i get?
>>>
>>>
>>> On Wed, Sep 11, 2013 at 12:53 PM, Mauricio Salatino <salaboy at gmail.com>wrote:
>>>
>>>> Ok, so the error is pretty clear: java.lang.NoClassDefFoundError:
>>>> org/slf4j/LoggerFactory
>>>>
>>>> You need to add that to your class path
>>>>
>>>>
>>>> On Wed, Sep 11, 2013 at 10:51 AM, Moses Kalema <mkgremo20 at gmail.com>wrote:
>>>>
>>>>> In my serviceImplementation[in the server package] class in GWT RPC
>>>>> When i try to check the execution the system doesn't run this line:
>>>>> KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
>>>>>
>>>>> KnowledgeBuilder kbuilder =
>>>>> KnowledgeBuilderFactory.newKnowledgeBuilder();
>>>>> //inputStream =
>>>>> this.getClass().getClassLoader().getResourceAsStream("ChangeSet.xml");
>>>>> url= this.getClass().getClassLoader().getResource("ChangeSet.xml");
>>>>> workingDirectory = System.getProperty("user.dir");
>>>>> System.out.println("URL "+url);
>>>>> file = new File(workingDirectory +"/src/ChangeSet.xml");
>>>>> if(file.exists()){
>>>>> System.out.println("Directory "+file.getName());
>>>>> }
>>>>> else{
>>>>> System.out.println("File not seen");
>>>>> }
>>>>> kbuilder.add(
>>>>> ResourceFactory.newUrlResource(url),ResourceType.CHANGE_SET);
>>>>> if( kbuilder.hasErrors() ) {
>>>>>
>>>>> System.out.println( kbuilder.getErrors() );
>>>>> System.out.println("The changeset file has errors");
>>>>> // return;
>>>>> }else{
>>>>> System.out.println("The changeset has no errors");
>>>>> }
>>>>>
>>>>> KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
>>>>> System.out.println("knowledgebase has been created");
>>>>>
>>>>> KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent(
>>>>> "MyAgent" );
>>>>> // URL url = getClass().getResource("ChangeSet.xml");
>>>>> // File file = new File(url.getPath());
>>>>> kagent.applyChangeSet( ResourceFactory.newUrlResource(url) );
>>>>> kbase = kagent.getKnowledgeBase();
>>>>> ResourceFactory.getResourceChangeNotifierService().start();
>>>>> ResourceFactory.getResourceChangeScannerService().start();
>>>>> System.out.println("knowledge agent created");
>>>>>
>>>>> StatefulKnowledgeSession ksession =
>>>>> kbase.newStatefulKnowledgeSession();
>>>>> System.out.println("session created");
>>>>> FactType factType = kbase.getFactType("procnet.requisition.test",
>>>>> "requisition");
>>>>> try {
>>>>> Object obj = factType.newInstance();
>>>>> factType.set(obj, "requisitionType", requisitionType);
>>>>> factType.set(obj, "totalCost", totalCost);
>>>>> FactHandle objHandle = ksession.insert(obj);
>>>>> ksession.fireAllRules();
>>>>> System.out.println(factType.get(obj, "approvalMessage"));
>>>>> approvalMessage = (String) factType.get(obj, "approvalMessage");
>>>>> //System.out.println(factType.get(obj, "name"));
>>>>> } catch (InstantiationException e) {
>>>>> e.printStackTrace();
>>>>> } catch (IllegalAccessException e) {
>>>>> e.printStackTrace();
>>>>> }
>>>>> return approvalMessage;
>>>>> This is the exact code i use in a normal java application and it works
>>>>> fine,infact even when i run the class as a java application it returns the
>>>>> approve message from guvnor.
>>>>> I find this strange
>>>>> This is the error am getting,
>>>>> 02:19:43.040 [WARN] Exception while dispatching incoming RPC
>>>>> call
>>>>>
>>>>> com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract com.planet.requisition.client.rules.RequisitionTemp com.planet.requisition.client.rules.RequisitionTempService.getRequisitionDet(java.lang.String,int)' threw an unexpected exception: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:385)
>>>>> at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:588)
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
>>>>> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>>>>> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>>>> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>>>> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>> at org.mortbay.jetty.Server.handle(Server.java:324)
>>>>> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>>>>> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
>>>>> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>>>>> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>>>>> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
>>>>> Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
>>>>> at org.drools.util.ServiceRegistryImpl.<clinit>(ServiceRegistryImpl.java:55)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.drools.builder.KnowledgeBuilderFactory.loadServiceFactory(KnowledgeBuilderFactory.java:130)
>>>>> at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderServiceFactory(KnowledgeBuilderFactory.java:124)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:46)
>>>>> at com.requisition.RequisitionApproval.main(RequisitionApproval.java:35)
>>>>> at com.requisition.TestInputStream.main(TestInputStream.java:22)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.planet.requisition.server.RequisitionTempServiceImpl.getRequisitionDet(RequisitionTempServiceImpl.java:37)
>>>>> 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
>>>>> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>>>>> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>>>> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>>>> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>> at org.mortbay.jetty.Server.handle(Server.java:324)
>>>>> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>>>>> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
>>>>> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>>>>> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>>>>> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
>>>>> Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
>>>>> at java.net.URLClassLoader$1.run(Unknown Source)
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at java.net.URLClassLoader.findClass(Unknown Source)
>>>>> at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload$WebAppClassLoaderExtension.findClass(JettyLauncher.java:372)
>>>>> at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:366)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337)
>>>>> at org.drools.util.ServiceRegistryImpl.<clinit>(ServiceRegistryImpl.java:55)
>>>>> at org.drools.builder.KnowledgeBuilderFactory.loadServiceFactory(KnowledgeBuilderFactory.java:130)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderServiceFactory(KnowledgeBuilderFactory.java:124)
>>>>> at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:46)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.requisition.RequisitionApproval.main(RequisitionApproval.java:35)
>>>>> at com.requisition.TestInputStream.main(TestInputStream.java:22)
>>>>> at com.planet.requisition.server.RequisitionTempServiceImpl.getRequisitionDet(RequisitionTempServiceImpl.java:37)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 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 com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569)
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
>>>>> at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>>>>> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>>>>> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>>>> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
>>>>> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>> at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
>>>>> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.Server.handle(Server.java:324)
>>>>> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
>>>>> at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:843)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
>>>>> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>>>>> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>>>>> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Sep 11, 2013 at 11:11 AM, Mauricio Salatino <salaboy at gmail.com
>>>>> > wrote:
>>>>>
>>>>>> Hi, we are using GWT and Drools in all our tooling.. For example if
>>>>>> you take a look at the kie-wb workbench or the jbpm-console-ng they are
>>>>>> create Knowledge Session (kie sessions) right now.
>>>>>>
>>>>>>
>>>>>> On Wed, Sep 11, 2013 at 9:07 AM, Moses Kalema <mkgremo20 at gmail.com>wrote:
>>>>>>
>>>>>>> Hello everyone,
>>>>>>> I recently started using Drools Guvnor and i find it necessary. I
>>>>>>> create rules on Guvnor and fire the rules in a Java application and
>>>>>>> everything is fine.
>>>>>>> However when i try to access the rules in a GWT application,i get an
>>>>>>> error which looks like none of the Drools code is executed.
>>>>>>> My request is if any one has used rules n a GWT application please
>>>>>>> help me out
>>>>>>>
>>>>>>> --
>>>>>>> Moses Kalema
>>>>>>> Bachelor Science in Computer Engineering
>>>>>>> Software/Mobile/Embedded Systems Developer
>>>>>>> +256773391723
>>>>>>> +256704209937
>>>>>>> Skype: mkgremo
>>>>>>> Twitter: @mkgremo
>>>>>>> "Life's Success is based on Opportunity not Chance"
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> rules-dev mailing list
>>>>>>> rules-dev at lists.jboss.org
>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> - MyJourney @ http://salaboy.com <http://salaboy.wordpress.com>
>>>>>> - Co-Founder @ http://www.jugargentina.org
>>>>>> - Co-Founder @ http://www.jbug.com.ar
>>>>>>
>>>>>> - Salatino "Salaboy" Mauricio -
>>>>>>
>>>>>> _______________________________________________
>>>>>> rules-dev mailing list
>>>>>> rules-dev at lists.jboss.org
>>>>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Moses Kalema
>>>>> Bachelor Science in Computer Engineering
>>>>> Software/Mobile/Embedded Systems Developer
>>>>> +256773391723
>>>>> +256704209937
>>>>> Skype: mkgremo
>>>>> Twitter: @mkgremo
>>>>> "Life's Success is based on Opportunity not Chance"
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> rules-dev mailing list
>>>>> rules-dev at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> - MyJourney @ http://salaboy.com <http://salaboy.wordpress.com>
>>>> - Co-Founder @ http://www.jugargentina.org
>>>> - Co-Founder @ http://www.jbug.com.ar
>>>>
>>>> - Salatino "Salaboy" Mauricio -
>>>>
>>>> _______________________________________________
>>>> rules-dev mailing list
>>>> rules-dev at lists.jboss.org
>>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>>
>>>
>>>
>>>
>>> --
>>> Moses Kalema
>>> Bachelor Science in Computer Engineering
>>> Software/Mobile/Embedded Systems Developer
>>> +256773391723
>>> +256704209937
>>> Skype: mkgremo
>>> Twitter: @mkgremo
>>> "Life's Success is based on Opportunity not Chance"
>>>
>>>
>>> _______________________________________________
>>> rules-dev mailing list
>>> rules-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>>
>>
>>
>>
>> --
>> - MyJourney @ http://salaboy.com <http://salaboy.wordpress.com>
>> - Co-Founder @ http://www.jugargentina.org
>> - Co-Founder @ http://www.jbug.com.ar
>>
>> - Salatino "Salaboy" Mauricio -
>>
>> _______________________________________________
>> rules-dev mailing list
>> rules-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>
>
>
>
> --
> Moses Kalema
> Bachelor Science in Computer Engineering
> Software/Mobile/Embedded Systems Developer
> +256773391723
> +256704209937
> Skype: mkgremo
> Twitter: @mkgremo
> "Life's Success is based on Opportunity not Chance"
>
>
> _______________________________________________
> rules-dev mailing list
> rules-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-dev
>
--
- MyJourney @ http://salaboy.com <http://salaboy.wordpress.com>
- Co-Founder @ http://www.jugargentina.org
- Co-Founder @ http://www.jbug.com.ar
- Salatino "Salaboy" Mauricio -
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