[Webonswing-developers] Re: websphere

[<cha...@wa...>]

actually this is the stacktrace that I am getting if that helps....  looks
like it can't find the WebOnSwingBoot.jar
java.lang.reflect.InvocationTargetException: java.lang.Error: Could not
find class: net.ar.webonswing.toolkit.WosGraphicsEnvironment
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.lang.Throwable.<init>(Throwable.java)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.lang.Throwable.<init>(Throwable.java)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:75)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.awt.Font.initializeFont(Font.java:285)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.awt.Font.<init>(Font.java:319)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.plaf.basic.BasicLookAndFeel.getFont(BasicLookAndFeel.java:252)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.plaf.basic.BasicLookAndFeel.initComponentDefaults(BasicLookAndFeel.java:271)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.plaf.metal.MetalLookAndFeel.initComponentDefaults(MetalLookAndFeel.java:210)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.plaf.basic.BasicLookAndFeel.getDefaults(BasicLookAndFeel.java:80)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.plaf.metal.MetalLookAndFeel.getDefaults(MetalLookAndFeel.java:1088)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.setLookAndFeel(UIManager.java:408)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.setLookAndFeel(UIManager.java:435)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.initializeDefaultLAF(UIManager.java:895)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.initialize(UIManager.java:991)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.maybeInitialize(UIManager.java:974)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.getInstalledLookAndFeels(UIManager.java:321)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.installLookAndFeel(UIManager.java:350)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.swing.UIManager.installLookAndFeel(UIManager.java:367)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
net.ar.webonswing.WosFramework.init(WosFramework.java:95)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
net.ar.webonswing.servlets.WebOnSwingController.init(WebOnSwingController.java:41)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.lang.reflect.AccessibleObject.invokeImpl(Native Method)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:199)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
java.lang.reflect.Method.invoke(Method.java)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
net.ar.webonswing.servlets.WebOnSwingServlet.init(WebOnSwingServlet.java:37)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.servlet.GenericServlet.init(GenericServlet.java:258)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletInstance.java:82)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycleServlet.java:147)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecycleServlet.java:270)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleServlet.java:113)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:189)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
javax.servlet.GenericServlet.init(GenericServlet.java:258)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServletManager.java:870)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:224)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebAppServletManager.java:455)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:646)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(WebAppRequestDispatcherInfo.java:172)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:59)
[12/1/04 11:24:39:421 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1455)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1414)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:197)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431)
[12/1/04 11:24:39:437 EST] 724a724a SystemErr     R   at
com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)




Chad Shook
12/01/2004 10:17 AM

To:    web...@li...
cc:

Subject:    websphere

Hi,

I am trying to run the HelloWorld example in WebSphere v5.0.  I am getting
this error after executing the url:
http://localhost:9080/WebOnSwing/net/ar/webonswing/tutorial/HelloWorld.page...
. any suggestions? Looks like it is blowing up in
WosFramework.getSessionContext

Exception:  java.lang.NullPointerException <br>
 at java.lang.Throwable.<init>(Throwable.java) <br>
 at java.lang.Throwable.<init>(Throwable.java) <br>
at java.lang.NullPointerException.<init>(NullPointerException.java:63) <br>
 at java.lang.InheritableThreadLocal.get(InheritableThreadLocal.java:69) <br>
 at net.ar.webonswing.WosFramework.getSessionContext(WosFramework.java:273) <br>
at net.ar.webonswing.pages.SaveContextDefaultHtmlPage.copyAttributesFromHttpSession(SaveContextDefaultHtmlPage.java:82) <br>
 at net.ar.webonswing.pages.SaveContextDefaultHtmlPage.prepareFromRequest(SaveContextDefaultHtmlPage.java:71) <br>
at net.ar.webonswing.servlets.WebOnSwingController.service(WebOnSwingController.java:56) <br>
at java.lang.reflect.AccessibleObject.invokeImpl(Native Method) <br>
 at java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:199) <br>
at java.lang.reflect.Method.invoke(Method.java) <br>
at net.ar.webonswing.servlets.WebOnSwingServlet.service(WebOnSwingServlet.java:51) <br>
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) <br>
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110) <br>
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174) <br>
 at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313) <br>
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116) <br>
at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283) <br>
at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42) <br>
 at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40) <br>
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:948) <br>
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.j
ava:530) <br>   at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:176) <br>
at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:79) <br>
at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:201) <br>
at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71) <br>
 at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182) <br>
 at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334) <br>
at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56) <br>
at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610) <br>
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431) <br>
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593) <br>