Re: GWT RPC and GoDaddy

You need to run with JRE 1.5 and GWT 1.6

On May 23, 11:56 am, Mike Apolis <michaelgb....@gmail.com> wrote:
> I'm not sure what this has to do with SSO?  I'm not authenticating any
> user.  Its the GWT sample stockwatcher app, there are no users to
> authenticate :)
>
> Since Mac OSX has problems with more than one JRE. I loaded the
> project on a windows machine and tried running it with JRE 1.5_22
> Hosted Mode and got the same error below.  Switched it back to JRE 1.6
> and everything works fine.
>
> Error Hosted Mode JRE 1.5_22:
>
> Starting Jetty on port 8888
>    [WARN] failed greetServlet
> java.lang.UnsupportedClassVersionError: Bad version number in .class
> file
>         at java.lang.ClassLoader.defineClass1(Native Method)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
> 124)
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>         at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>         at com.google.gwt.dev.shell.jetty.JettyLauncher
> $WebAppContextWithReload
> $WebAppClassLoaderExtension.findClass(JettyLauncher.java:354)
>         at
> org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:
> 366)
>         at
> org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:
> 337)
>         at org.mortbay.util.Loader.loadClass(Loader.java:91)
>         at org.mortbay.util.Loader.loadClass(Loader.java:71)
>         at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
>         at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:
> 233)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:
> 616)
>         at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>         at
> org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:
> 1220)
>         at
> org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:
> 513)
>         at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> 448)
>         at com.google.gwt.dev.shell.jetty.JettyLauncher
> $WebAppContextWithReload.doStart(JettyLauncher.java:447)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:
> 130)
>         at
> org.mortbay.jetty.handler.RequestLogHandler.doStart(RequestLogHandler.java:
> 115)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:
> 130)
>         at org.mortbay.jetty.Server.doStart(Server.java:222)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:
> 543)
>         at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:421)
>         at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1035)
>         at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:783)
>         at com.google.gwt.dev.DevMode.main(DevMode.java:275)
>    [WARN] failed stockPriceServiceImpl
> java.lang.UnsupportedClassVersionError: Bad version number in .class
> file
>         at java.lang.ClassLoader.defineClass1(Native Method)
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
> 124)
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>         at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>         at com.google.gwt.dev.shell.jetty.JettyLauncher
> $WebAppContextWithReload
> $WebAppClassLoaderExtension.findClass(JettyLauncher.java:354)
>         at
> org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:
> 366)
>         at
> org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:
> 337)
>         at org.mortbay.util.Loader.loadClass(Loader.java:91)
>         at org.mortbay.util.Loader.loadClass(Loader.java:71)
>         at org.mortbay.jetty.servlet.Holder.doStart(Holder.java:73)
>         at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:
> 233)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:
> 616)
>         at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
>         at
> org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:
> 1220)
>         at
> org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:
> 513)
>         at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> 448)
>         at com.google.gwt.dev.shell.jetty.JettyLauncher
> $WebAppContextWithReload.doStart(JettyLauncher.java:447)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:
> 130)
>         at
> org.mortbay.jetty.handler.RequestLogHandler.doStart(RequestLogHandler.java:
> 115)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:
> 130)
>         at org.mortbay.jetty.Server.doStart(Server.java:222)
>         at
> org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:
> 39)
>         at
> com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:
> 543)
>         at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:421)
>         at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1035)
>         at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:783)
>         at com.google.gwt.dev.DevMode.main(DevMode.java:275)
>
> On May 23, 11:14 am, Stefan Bachert <stefanbach...@yahoo.de> wrote:
>
> > Hi,
>
> > I find "SingleSignOn" suspicious. GWT-Servlets gets in general only
> > AJAX-Calls.
> > This does not fit to the classical SSO approach to redirect to an
> > other URL for authentication.
> > Ajax-Calls have not assigned page as a gui, so any redirection will
> > fail to ask for credentials
>
> > So I think your problem has nothing to do with 1.6 but with SSO and
> > your authentication scheme.
>
> > Stefan Bacherthttp://gwtworld.de
>
> > On 22 Mai, 18:44, Mike Apolis <michaelgb....@gmail.com> wrote:
>
> > > Hi,
>
> > > I've deployed the sample Stock Watcher app to my GoDaddy Hosting site,
> > > and I get the error below.  I've tried compiling the Project in
> > > Eclipse with JRE 1.5 because my Host is using jre 1.5.  I think the
> > > issue is the "gwt-servlet.jar" is not compatible with jre 1.5.  Can
> > > anyone confirm this.  The project runs fine on my local machine using
> > > JRE 1.6.  Unfortunately GoDaddy will not upgrade my shared hosting
> > > account jre to 1.6.
>
> > > GoDaddy Server Setup:
>
> > > Tomcat Version 5.0.27
> > > JRE 1.5_22
>
> > > Error:
>
> > > HTTP Status 500 -
>
> > > type Exception report
> > > message
> > > description The server encountered an internal error () that prevented
> > > it from fulfilling this request.
> > > exception
> > > javax.servlet.ServletException: Error allocating a servlet instance
>
> > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> > > 117)
> > >         org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
> > > 535)
>
> > > org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:
> > > 417)
> > >         org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:
> > > 160)
> > >         org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
> > >         org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
> > >         org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
>
> > > org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:
> > > 675)
> > >         org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
> > >         org.apache.tomcat.util.threads.ThreadPool
> > > $ControlRunnable.run(ThreadPool.java:683)
> > >         java.lang.Thread.run(Thread.java:595)
>
> > > root cause
> > > java.lang.UnsupportedClassVersionError: Bad version number in .class
> > > file
> > >         java.lang.ClassLoader.defineClass1(Native Method)
> > >         java.lang.ClassLoader.defineClass(ClassLoader.java:621)
> > >         java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
> > > 124)
>
> > > org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassL oader.java:
> > > 1634)
>
> > > org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.ja va:
> > > 860)
>
> > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja va:
> > > 1307)
>
> > > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.ja va:
> > > 1189)
> > >         java.security.AccessController.doPrivileged(Native Method)
>
> > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
> > > 117)
> > >         org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
> > > 535)
>
> > > org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:
> > > 417)
> > >         org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:
> > > 160)
> > >         org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
> > >         org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
> > >         org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
>
> > > org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:
> > > 675)
> > >         org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
> > >         org.apache.tomcat.util.threads.ThreadPool
> > > $ControlRunnable.run(ThreadPool.java:683)
> > >         java.lang.Thread.run(Thread.java:595)
>
> > > note The full
>
> ...
>
> read more »

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