Hello gregor, Thanks alot for ur relay. but i dint understand the solution completly. am trying to return arraylist with "string array" objects in it . and i have implemented "IsSerializable" on client side but even thn its not working.
On Dec 15, 12:10 am, gregor <[email protected]> wrote: > The problem is: > > Caused by: com.google.gwt.user.client.rpc.SerializationException: Type > '[Ljava.lang.String;' was not included in the set of types which can > be serialized by this SerializationPolicy or its Class object could > not be loaded. For security purposes, this type will not be > serialized. > > which probably indicates there is nothing in any of your RPC service > interface declarations that mentions String specifically, so it is not > included in the RPC "white list". Are you declaring the ArrayList like > this: > > ArrayList<String> myService(...) { > .... > ArrrayList<String> myList = new ArrayList<String>(); > ..... > return myList; > > } > > If not then this will probably make the problem go away. > > On Dec 14, 6:16 pm, prat <[email protected]> wrote:> Helllo, > > > Am trying to return arraylist object fron server to client via RPC but > > am getting following error : > > > [WARN] StandardContext[]Exception while dispatching incoming RPC call > > com.google.gwt.user.client.rpc.SerializationException: > > java.lang.reflect.InvocationTargetException > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer > > (ServerSerializationStreamWriter.java:696) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl > > (ServerSerializationStreamWriter.java:659) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize > > (ServerSerializationStreamWriter.java:593) > > at > > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject > > (AbstractSerializationStreamWriter.java:129) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > > $ValueWriter$8.write(ServerSerializationStreamWriter.java:146) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue > > (ServerSerializationStreamWriter.java:530) > > at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:573) > > at com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess > > (RPC.java:441) > > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > > (RPC.java:529) > > 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:709) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at com.google.gwt.dev.shell.GWTShellServlet.service > > (GWTShellServlet.java:289) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter > > (ApplicationFilterChain.java:237) > > at org.apache.catalina.core.ApplicationFilterChain.doFilter > > (ApplicationFilterChain.java:157) > > at org.apache.catalina.core.StandardWrapperValve.invoke > > (StandardWrapperValve.java:214) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardContextValve.invokeInternal > > (StandardContextValve.java:198) > > at org.apache.catalina.core.StandardContextValve.invoke > > (StandardContextValve.java:152) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardHostValve.invoke > > (StandardHostValve.java:137) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.valves.ErrorReportValve.invoke > > (ErrorReportValve.java:118) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:102) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardEngineValve.invoke > > (StandardEngineValve.java:109) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java: > > 929) > > at > > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: > > 160) > > at org.apache.coyote.http11.Http11Processor.process > > (Http11Processor.java:799) > > at org.apache.coyote.http11.Http11Protocol > > $Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > > at org.apache.tomcat.util.net.TcpWorkerThread.runIt > > (PoolTcpEndpoint.java:577) > > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > > (ThreadPool.java:683) > > at java.lang.Thread.run(Unknown Source) > > Caused by: java.lang.reflect.InvocationTargetException: null > > 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.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer > > (ServerSerializationStreamWriter.java:678) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl > > (ServerSerializationStreamWriter.java:659) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize > > (ServerSerializationStreamWriter.java:593) > > at > > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject > > (AbstractSerializationStreamWriter.java:129) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > > $ValueWriter$8.write(ServerSerializationStreamWriter.java:146) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue > > (ServerSerializationStreamWriter.java:530) > > at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:573) > > at com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess > > (RPC.java:441) > > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > > (RPC.java:529) > > 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:709) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at com.google.gwt.dev.shell.GWTShellServlet.service > > (GWTShellServlet.java:289) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter > > (ApplicationFilterChain.java:237) > > at org.apache.catalina.core.ApplicationFilterChain.doFilter > > (ApplicationFilterChain.java:157) > > at org.apache.catalina.core.StandardWrapperValve.invoke > > (StandardWrapperValve.java:214) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardContextValve.invokeInternal > > (StandardContextValve.java:198) > > at org.apache.catalina.core.StandardContextValve.invoke > > (StandardContextValve.java:152) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardHostValve.invoke > > (StandardHostValve.java:137) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.valves.ErrorReportValve.invoke > > (ErrorReportValve.java:118) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:102) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardEngineValve.invoke > > (StandardEngineValve.java:109) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java: > > 929) > > at > > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: > > 160) > > at org.apache.coyote.http11.Http11Processor.process > > (Http11Processor.java:799) > > at org.apache.coyote.http11.Http11Protocol > > $Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > > at org.apache.tomcat.util.net.TcpWorkerThread.runIt > > (PoolTcpEndpoint.java:577) > > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > > (ThreadPool.java:683) > > at java.lang.Thread.run(Unknown Source) > > Caused by: com.google.gwt.user.client.rpc.SerializationException: Type > > '[Ljava.lang.String;' was not included in the set of types which can > > be serialized by this SerializationPolicy or its Class object could > > not be loaded. For security purposes, this type will not be > > serialized. > > at > > com.google.gwt.user.server.rpc.impl.StandardSerializationPolicy.validateSerialize > > (StandardSerializationPolicy.java:83) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize > > (ServerSerializationStreamWriter.java:591) > > at > > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject > > (AbstractSerializationStreamWriter.java:129) > > at > > com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase.serialize > > (Collection_CustomFieldSerializerBase.java:43) > > at > > com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serialize > > (ArrayList_CustomFieldSerializer.java:36) > > 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.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer > > (ServerSerializationStreamWriter.java:678) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl > > (ServerSerializationStreamWriter.java:659) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize > > (ServerSerializationStreamWriter.java:593) > > at > > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject > > (AbstractSerializationStreamWriter.java:129) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter > > $ValueWriter$8.write(ServerSerializationStreamWriter.java:146) > > at > > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue > > (ServerSerializationStreamWriter.java:530) > > at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:573) > > at com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess > > (RPC.java:441) > > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse > > (RPC.java:529) > > 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:709) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at com.google.gwt.dev.shell.GWTShellServlet.service > > (GWTShellServlet.java:289) > > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter > > (ApplicationFilterChain.java:237) > > at org.apache.catalina.core.ApplicationFilterChain.doFilter > > (ApplicationFilterChain.java:157) > > at org.apache.catalina.core.StandardWrapperValve.invoke > > (StandardWrapperValve.java:214) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardContextValve.invokeInternal > > (StandardContextValve.java:198) > > at org.apache.catalina.core.StandardContextValve.invoke > > (StandardContextValve.java:152) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardHostValve.invoke > > (StandardHostValve.java:137) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.valves.ErrorReportValve.invoke > > (ErrorReportValve.java:118) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:102) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.StandardEngineValve.invoke > > (StandardEngineValve.java:109) > > at org.apache.catalina.core.StandardValveContext.invokeNext > > (StandardValveContext.java:104) > > at org.apache.catalina.core.StandardPipeline.invoke > > (StandardPipeline.java:520) > > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java: > > 929) > > at > > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: > > 160) > > at org.apache.coyote.http11.Http11Processor.process > > (Http11Processor.java:799) > > at org.apache.coyote.http11.Http11Protocol > > $Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > > at org.apache.tomcat.util.net.TcpWorkerThread.runIt > > (PoolTcpEndpoint.java:577) > > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run > > (ThreadPool.java:683) > > at java.lang.Thread.run(Unknown Source) 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