Error during an RPC

salut tout le monde,
j'ai cette erreur dans la console:
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[WARN] Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract java.util.List
com.metrixware.sc.sqalegwt.client.DataSourceService.createTable()'
threw an unexpected exception: java.lang.UnsatisfiedLinkError:
com.google.gwt.visualization.client.DataTable.create()Lcom/google/gwt/
visualization/client/DataTable;
at
com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:
378)
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:
581)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
207)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:
243)
at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:
62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
362)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
729)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
405)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at
org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:
49)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at org.mortbay.jetty.Server.handle(Server.java:324)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
505)
at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:843)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
395)
at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.lang.UnsatisfiedLinkError:
com.google.gwt.visualization.client.DataTable.create()Lcom/google/gwt/
visualization/client/DataTable;
at com.google.gwt.visualization.client.DataTable.create(Native
Method)
at
com.metrixware.sc.sqalegwt.server.DataSourceServiceImpl.createTable(DataSourceServiceImpl.java:
351)
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:
562)
... 22 more
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cela parce que j'utilise le model MVP pour dessiner une chart
graphique (PieChart j'utilise la bibliothèque gwt visualisation),
quand je rajoute mon presenter principal au RootPanel.
dans mob service j'ai ça :
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
public List<DataTableSerialisable> createTable();
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
et dans l'asynchrone j'ai ça:
-------------------------------------------------------------------------------------------------------------------------------------------------------------------
void
createTable( AsyncCallback<java.util.List<com.metrixware.sc.sqalegwt.client.DataTableSerialisable>>
callback );
-------------------------------------------------------------------------------------------------------------------------------------------------------------------
et bien entendu "DataTableSerialisable" c'est une classe qui implement
"Serializable" de java.io.Serializable.
je ne sais pas comment remédier a ce problème :s
please can you help me!!!

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