ClassNotFoundException while invoking EL function during ren
I wrote a simple EL function to retrieve the clientId of a UIComponentBase object -- I'm generating some javascript. The first time I load the page (without a submit), the page generates just fine, including the javascript output that successfully invoked my EL function from a h:outputText element.
However, when I submit the form it throws a ClassNotFoundException (for my EL function class) and generally freaks out after that. Now, obviously it should be able to find the class since it managed to find it on the initial rendering of the page.
Am I missing something about using EL functions in a JSF tag?
[#|2007-04-16T08:48:20.964-0400|WARNING|sun-appserver-pe9.0|javax.enterprise.system.stream.err|_ThreadID=13;_ThreadName=httpWorkerThread-8080-0;_RequestID=4b5ea96a-bb72-4f91-b3d8-b6e133212a32;| java.lang.ClassNotFoundException: biz.apexsurvey.tags.jsf.functions.ClientIdFunctions at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at com.sun.appserv.server.util.ASURLClassLoader.loadClass(ASURLClassLoader.java:100) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at com.sun.el.lang.FunctionMapperImpl$Function.getMethod(FunctionMapperImpl.java:167) at com.sun.el.lang.FunctionMapperImpl.resolveFunction(FunctionMapperImpl.java:59) at com.sun.el.parser.AstFunction.getValue(AstFunction.java:91) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at javax.faces.component.UIOutput.getValue(UIOutput.java:173) at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896) at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:244) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:175) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:239) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75) |#] [#|2007-04-16T08:48:20.967-0400|WARNING|sun-appserver-pe9.0|javax.enterprise.resource.webcontainer.jsf.lifecycle|_ThreadID=13;_ThreadName=httpWorkerThread-8080-0;_RequestID=4b5ea96a-bb72-4f91-b3d8-b6e133212a32;|executePhase(RENDER_RESPONSE 6,com.sun.faces.context.FacesContextImpl@5ef727) threw exception javax.faces.FacesException: javax.el.ELException: Function 'cu:getClientId' not found at javax.faces.component.UIOutput.getValue(UIOutput.java:176) at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896) at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:244) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:175) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:239) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75) Caused by: javax.el.ELException: Function 'cu:getClientId' not found at com.sun.el.parser.AstFunction.getValue(AstFunction.java:93) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at javax.faces.component.UIOutput.getValue(UIOutput.java:173) ... 40 more |#] [#|2007-04-16T08:48:20.972-0400|SEVERE|sun-appserver-pe9.0|javax.enterprise.system.container.web|_ThreadID=13;_ThreadName=httpWorkerThread-8080-0;_RequestID=4b5ea96a-bb72-4f91-b3d8-b6e133212a32;|StandardWrapperValve[faces-servlet]: Servlet.service() for servlet faces-servlet threw exception javax.el.ELException: Function 'cu:getClientId' not found at com.sun.el.parser.AstFunction.getValue(AstFunction.java:93) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at javax.faces.component.UIOutput.getValue(UIOutput.java:173) at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:200) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:833) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896) at javax.faces.render.Renderer.encodeChildren(Renderer.java:137) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:809) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) at com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:244) at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:175) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:239) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75) |#]