Hi there,
Thanks for your help. That has fixed my last problem, now I am getting
a new one...
01-Apr-2009 13:38:15 org.apache.catalina.core.ApplicationContext log
SEVERE: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract com.project.client.ServerSQLData
com.project.client.ServerStatusSQLService.getSQLData()' threw an
unexpected exception: java.lang.NullPointerException
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure
(RPC.java:360)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse
(RPC.java:546)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall
(RemoteServiceServlet.java:164)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
447)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at
com.project.server.Management.ServerStartupData.setCategoryArrayList
(ServerStartupData.java:60)
at com.project.server.Management.ServerSQLServiceImpl.getSQLData
(ServerSQLServiceImpl.java:1225)
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:527)
... 16 more
01-Apr-2009 13:38:15 org.apache.catalina.core.ApplicationContext log
SEVERE: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract com.project.client.ServerSQLData
com.project.client.ServerStatusSQLService.getSQLData()' threw an
unexpected exception: java.lang.NullPointerException
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure
(RPC.java:360)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse
(RPC.java:546)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall
(RemoteServiceServlet.java:164)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
447)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at
com.project.server.Management.ServerStartupData.setCategoryArrayList
(ServerStartupData.java:60)
at com.project.server.Management.ServerSQLServiceImpl.getSQLData
(ServerSQLServiceImpl.java:1225)
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:527)
... 16 more
On Apr 1, 1:16 pm, Isaac Truett <[email protected]> wrote:
> Yes, it's wrong. Your servlet implements the ServerStatusSQLService
> interface, so that class has to be deployed with the server classes.
>
> On Wed, Apr 1, 2009 at 5:23 AM, [email protected]
>
> <[email protected]> wrote:
>
> > I have only placed the server and database packages in the WEB-INF/
> > classes folder i.e. I did not place the client package or the public
> > package in here. Is this wrong?
>
> > Regards,
> > Jack
>
> > On Apr 1, 9:38 am, Radek Jun <[email protected]> wrote:
> >> It is a little bit weird :(. Are you sure that you have all the
> >> classes right in the WEB-INF/classes and libraries in WEB-INF/lib ?
>
> >> On Apr 1, 1:41 am, "[email protected]"
>
> >> <[email protected]> wrote:
> >> > Hi,
>
> >> > I have done this and now get a different error. This has changed from
> >> > the other error in that it now says java.lang.ClassNotFoundException:
> >> > com.project.client.ServerStatusSQLService. This class is on the client
> >> > and so am I right in thinking it should have been compiled by GWT? Can
> >> > anyone suggest a reason as to why this would not have worked? FYI this
> >> > class extends the com.google.gwt.user.client.rpc.RemoteService
>
> >> > 01-Apr-2009 00:29:59 org.apache.catalina.core.StandardWrapperValve
> >> > invoke
> >> > SEVERE: Allocate exception for servlet Application-status
> >> > java.lang.ClassNotFoundException:
> >> > com.project.client.ServerStatusSQLService
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1387)
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1233)
> >> > at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> >> > at java.lang.ClassLoader.defineClass1(Native Method)
> >> > at java.lang.ClassLoader.defineClass(Unknown Source)
> >> > at java.security.SecureClassLoader.defineClass(Unknown Source)
> >> > at org.apache.catalina.loader.WebappClassLoader.findClassInternal
> >> > (WebappClassLoader.java:1847)
> >> > at org.apache.catalina.loader.WebappClassLoader.findClass
> >> > (WebappClassLoader.java:890)
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1354)
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1233)
> >> > at org.apache.catalina.core.StandardWrapper.loadServlet
> >> > (StandardWrapper.java:1094)
> >> > at org.apache.catalina.core.StandardWrapper.allocate
> >> > (StandardWrapper.java:808)
> >> > at org.apache.catalina.core.StandardWrapperValve.invoke
> >> > (StandardWrapperValve.java:129)
> >> > at org.apache.catalina.core.StandardContextValve.invoke
> >> > (StandardContextValve.java:191)
> >> > at org.apache.catalina.core.StandardHostValve.invoke
> >> > (StandardHostValve.java:128)
> >> > at org.apache.catalina.valves.ErrorReportValve.invoke
> >> > (ErrorReportValve.java:102)
> >> > at org.apache.catalina.core.StandardEngineValve.invoke
> >> > (StandardEngineValve.java:109)
> >> > at org.apache.catalina.connector.CoyoteAdapter.service
> >> > (CoyoteAdapter.java:286)
> >> > at org.apache.coyote.http11.Http11Processor.process
> >> > (Http11Processor.java:845)
> >> > at org.apache.coyote.http11.Http11Protocol
> >> > $Http11ConnectionHandler.process(Http11Protocol.java:583)
> >> > at
> >> > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:
> >> > 447)
> >> > at java.lang.Thread.run(Unknown Source)
> >> > 01-Apr-2009 00:29:59 org.apache.catalina.core.StandardWrapperValve
> >> > invoke
> >> > SEVERE: Allocate exception for servlet Application-status
> >> > java.lang.ClassNotFoundException:
> >> > com.project.client.ServerStatusSQLService
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1387)
> >> > at org.apache.catalina.loader.WebappClassLoader.loadClass
> >> > (WebappClassLoader.java:1233)
> >> > at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> >> > at java.lang.ClassLoader.defineClass1(Native Method)
>
> >> > On Mar 31, 11:29 pm, Thomas Broyer <[email protected]> wrote:
>
> >> > > On 31 mar, 23:42, "[email protected]"
>
> >> > > <[email protected]> wrote:
> >> > > > Hi,
>
> >> > > > I have placed my server classes directly in the WEB-INF folder. So
> >> > > > the
> >> > > > directory reads: WEB-INF\com\project\server
>
> >> > > > Have I placed the server files in the wrong folder?
>
> >> > > Yes, it should be WEB-INF/classes/com/project/server (but people tend
> >> > > to JAR the classes and put the jar in WEB-INF/lib)
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