From juan.barisich at fluxit.com.ar Wed Nov 3 20:37:15 2010 Content-Type: multipart/mixed; boundary="===============4572616623025592818==" MIME-Version: 1.0 From: Juan Ignacio Barisich To: rules-users at lists.jboss.org Subject: [rules-users] UserTask parameters mapping and gwt-console Date: Wed, 03 Nov 2010 21:37:13 -0300 Message-ID: --===============4572616623025592818== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hi. I'm using the gwt-console and trying to set a parameter mapping to send some variables from the process to a task. First, the variables are setted in the process like:

The parameter mapping is: ... Then I have a ftl file for the task form like: ... A value: ${myVariableA}
Another value: ${myVariableB}
... With this code, when I select a task and click "View", I get the following exception: ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= --- org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Failed to process form template org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(Sy= nchronousDispatcher.java:319) org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDi= spatcher.java:230) org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(Synchr= onousDispatcher.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(Htt= pServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Htt= pServletDispatcher.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.j= ava:96) causa ra=C3=ADz java.lang.RuntimeException: Failed to process form template org.drools.integration.console.forms.AbstractFormDispatcher.processTemplate= (AbstractFormDispatcher.java:104) org.drools.integration.console.forms.TaskFormDispatcher.provideForm(TaskFor= mDispatcher.java:111) org.drools.integration.console.forms.FormDispatcherComposite.provideForm(Fo= rmDispatcherComposite.java:50) org.jboss.bpm.console.server.FormProcessingFacade.provideForm(FormProcessin= gFacade.java:203) org.jboss.bpm.console.server.FormProcessingFacade.renderTaskUI(FormProcessi= ngFacade.java:125) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:3= 9) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp= l.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:1= 17) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:2= 60) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166) org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtil= ities.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(Htt= pServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Htt= pServletDispatcher.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.j= ava:96) causa ra=C3=ADz freemarker.core.InvalidReferenceException: Expression myVariableA is undefined on line 5, column 39 in Evaluacion. freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) freemarker.core.Expression.getStringValue(Expression.java:118) freemarker.core.Expression.getStringValue(Expression.java:93) freemarker.core.DollarVariable.accept(DollarVariable.java:76) freemarker.core.Environment.visit(Environment.java:209) freemarker.core.MixedContent.accept(MixedContent.java:92) freemarker.core.Environment.visit(Environment.java:209) freemarker.core.Environment.process(Environment.java:189) freemarker.template.Template.process(Template.java:237) org.drools.integration.console.forms.AbstractFormDispatcher.processTemplate= (AbstractFormDispatcher.java:87) org.drools.integration.console.forms.TaskFormDispatcher.provideForm(TaskFor= mDispatcher.java:111) org.drools.integration.console.forms.FormDispatcherComposite.provideForm(Fo= rmDispatcherComposite.java:50) org.jboss.bpm.console.server.FormProcessingFacade.provideForm(FormProcessin= gFacade.java:203) org.jboss.bpm.console.server.FormProcessingFacade.renderTaskUI(FormProcessi= ngFacade.java:125) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:3= 9) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp= l.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:1= 17) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:2= 60) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166) org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtil= ities.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(Htt= pServletDispatcher.java:93) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(Htt= pServletDispatcher.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.j= ava:96) ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= --- Is this a bug? or I'm doing something wrong? Thanks in advance -- = *Juan Ignacio Barisich* juan.barisich(a)fluxit.com.ar www.fluxit.com.ar 53 n366, piso 9 La Plata / Buenos Aires / Argentina (54)-221-427-5781 int:308 --===============4572616623025592818== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.html" SGkuPGJyPkkmIzM5O20gdXNpbmcgdGhlIGd3dC1jb25zb2xlIGFuZCB0cnlpbmcgdG8gc2V0IGEg cGFyYW1ldGVyIG1hcHBpbmcgdG8gc2VuZCBzb21lIHZhcmlhYmxlcyBmcm9tIHRoZSBwcm9jZXNz IHRvIGEgdGFzay48YnI+Rmlyc3QsIHRoZSB2YXJpYWJsZXMgYXJlIHNldHRlZCBpbiB0aGUgcHJv Y2VzcyBsaWtlOjxicj4mbHQ7aGVhZGVyJmd0Ozxicj6goKAgJmx0O3ZhcmlhYmxlcyZndDs8YnI+ CgqgoKCgoCAmbHQ7dmFyaWFibGUgbmFtZT0mcXVvdDtteVZhcmlhYmxlQSZxdW90OyAmZ3Q7PGJy PqCgoKCgoKAgJmx0O3R5cGUgbmFtZT0mcXVvdDtvcmcuZHJvb2xzLnByb2Nlc3MuY29yZS5kYXRh dHlwZS5pbXBsLnR5cGUuT2JqZWN0RGF0YVR5cGUmcXVvdDsgY2xhc3NOYW1lPSZxdW90O1N0cmlu ZyZxdW90OyAvJmd0Ozxicj6goKCgoCAmbHQ7L3ZhcmlhYmxlJmd0Ozxicj6goKCgoCAmbHQ7dmFy 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<4CD23830.8020707@cs.kuleuven.be> In-Reply-To: AANLkTikA4x7T66Ci9qowDvGpgPvbPzcLc2ki6PzMS4BR@mail.gmail.com --===============8034286649952249241== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Juan, You're pretty close to the actual solution ;) The only problem is that you can't just map values to new work item = parameters and expect them to show up in the task somehow. There is one = parameter called "Content" that can be used to put in data that might be = needed / relevant during task execution. If you for example have only = one variable, you could map that to the Content parameter and access = that from inside the form. In case you have multiple values, we = recommend you use a Map to put the different values in (you can create = that in a simple action node or on-entry action and store it in an = additional variable) and then map that to the Content parameter. Note = that we've tried to make your life easier by making sure that each of = the entries in the map are known as a variable in your form so you = should be able to use your forms as you defined them already. Now, I know we could also extend our implementation to generate a Map = for all unknown work item parameters and then put that as the Content = (or merge with the Content), would people prefer this approach? But = then again, it's probably only 5 minutes work to create your own version = of the WSHumanTaskHandler and tweak it so it does as I described above, = and then use that as your integration code instead of our default one ;) Kris Juan Ignacio Barisich wrote: > Hi. > I'm using the gwt-console and trying to set a parameter mapping to = > send some variables from the process to a task. > First, the variables are setted in the process like: >

> > > name=3D"org.drools.process.core.datatype.impl.type.ObjectDataType" = > className=3D"String" /> > > > name=3D"org.drools.process.core.datatype.impl.type.ObjectDataType" = > className=3D"String" /> > > >

> The parameter mapping is: > height=3D"48" > > > ... > > > > > Then I have a ftl file for the task form like: > > ... > > A value: ${myVariableA}
> Another value: ${myVariableB}
> ... > > > > With this code, when I select a task and click "View", I get the = > following exception: > -------------------------------------------------------------------------= ---------------------------------------------------------------------------= ----- > org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: = > Failed to process form template > = > org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(= SynchronousDispatcher.java:319) > = > org.jboss.resteasy.core.SynchronousDispatcher.handleException(Synchronous= Dispatcher.java:230) > = > org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(Sync= hronousDispatcher.java:206) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:360) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:173) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:93) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:68) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > = > org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.ja= va:59) > = > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter= .java:96) > causa ra=C3=ADz > > java.lang.RuntimeException: Failed to process form template > = > org.drools.integration.console.forms.AbstractFormDispatcher.processTempla= te(AbstractFormDispatcher.java:104) > = > org.drools.integration.console.forms.TaskFormDispatcher.provideForm(TaskF= ormDispatcher.java:111) > = > org.drools.integration.console.forms.FormDispatcherComposite.provideForm(= FormDispatcherComposite.java:50) > = > org.jboss.bpm.console.server.FormProcessingFacade.provideForm(FormProcess= ingFacade.java:203) > = > org.jboss.bpm.console.server.FormProcessingFacade.renderTaskUI(FormProces= singFacade.java:125) > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > = > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java= :39) > = > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI= mpl.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(DispatcherUt= ilities.java:142) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:356) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:173) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:93) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:68) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > = > org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.ja= va:59) > = > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter= .java:96) > causa ra=C3=ADz > > freemarker.core.InvalidReferenceException: Expression myVariableA is = > undefined on line 5, column 39 in Evaluacion. > freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124) > freemarker.core.Expression.getStringValue(Expression.java:118) > freemarker.core.Expression.getStringValue(Expression.java:93) > freemarker.core.DollarVariable.accept(DollarVariable.java:76) > freemarker.core.Environment.visit(Environment.java:209) > freemarker.core.MixedContent.accept(MixedContent.java:92) > freemarker.core.Environment.visit(Environment.java:209) > freemarker.core.Environment.process(Environment.java:189) > freemarker.template.Template.process(Template.java:237) > = > org.drools.integration.console.forms.AbstractFormDispatcher.processTempla= te(AbstractFormDispatcher.java:87) > = > org.drools.integration.console.forms.TaskFormDispatcher.provideForm(TaskF= ormDispatcher.java:111) > = > org.drools.integration.console.forms.FormDispatcherComposite.provideForm(= FormDispatcherComposite.java:50) > = > org.jboss.bpm.console.server.FormProcessingFacade.provideForm(FormProcess= ingFacade.java:203) > = > org.jboss.bpm.console.server.FormProcessingFacade.renderTaskUI(FormProces= singFacade.java:125) > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > = > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java= :39) > = > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI= mpl.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(DispatcherUt= ilities.java:142) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:356) > = > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatche= r.java:173) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:93) > = > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(H= ttpServletDispatcher.java:68) > javax.servlet.http.HttpServlet.service(HttpServlet.java:803) > = > org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.ja= va:59) > = > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter= .java:96) > -------------------------------------------------------------------------= ---------------------------------------------------------------------------= ----- > Is this a bug? or I'm doing something wrong? > > Thanks in advance > -- = > > *Juan Ignacio Barisich* > juan.barisich(a)fluxit.com.ar > www.fluxit.com.ar > 53 n366, piso 9 > La Plata / Buenos Aires / Argentina = > (54)-221-427-5781 int:308 > > > ------------------------------------------------------------------------ > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > = --===============8034286649952249241==--