You have two choices. 1. Increase memory allocation for the server. 2. Break the data down and send less.
The first one avoids the problem and likely did not scale very well. Tim On Aug 11, 2014 3:42 AM, "Vikas Yadav" <[email protected]> wrote: > I store data in arraylist in sever side from database .I can get data from > database into arraylist but problem is that so much data is not transfer > from server to client side datagrid. there is 500 error. Out of Memory > heap space > > exact error is > > > > arr list in server74950 > Starting Jetty on port 8888 > [ERROR] Exception while dispatching incoming RPC call > java.lang.OutOfMemoryError: Java heap space > at java.util.Arrays.copyOf(Arrays.java:2760) > at java.util.Arrays.copyOf(Arrays.java:2734) > at java.util.ArrayList.ensureCapacity(ArrayList.java:167) > at java.util.ArrayList.add(ArrayList.java:351) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.append(ServerSerializationStreamWriter.java:631) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeInt(AbstractSerializationStreamWriter.java:100) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeString(AbstractSerializationStreamWriter.java:134) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$10.write(ServerSerializationStreamWriter.java:165) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:584) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeClass(ServerSerializationStreamWriter.java:757) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:796) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:669) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:126) > at > com.google.gwt.user.client.rpc.core.java.util.Collection_CustomFieldSerializerBase.serialize(Collection_CustomFieldSerializerBase.java:44) > at > com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serialize(ArrayList_CustomFieldSerializer.java:39) > at > com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serializeInstance(ArrayList_CustomFieldSerializer.java:51) > at > com.google.gwt.user.client.rpc.core.java.util.ArrayList_CustomFieldSerializer.serializeInstance(ArrayList_CustomFieldSerializer.java:28) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:788) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:669) > at > com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:126) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter$ValueWriter$8.write(ServerSerializationStreamWriter.java:153) > at > com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:587) > at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:605) > at > com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess(RPC.java:471) > at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:563) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248) > 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) > [ERROR] Out of memory; to increase the amount of memory, use the > -Xmx flag at startup (java -Xmx128M ...) > [ERROR] 500 - POST /otcvalidationschecklistreport/greet (127.0.0.1) 57 > bytes > Request headers > Host: 127.0.0.1:8888 > User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:19.0) Gecko/20100101 > Firefox/19.0 > Accept: > text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 > Accept-Language: en-US,en;q=0.5 > Accept-Encoding: gzip, deflate > X-GWT-Permutation: HostedMode > X-GWT-Module-Base: > http://127.0.0.1:8888/otcvalidationschecklistreport/ > Content-Type: text/x-gwt-rpc; charset=utf-8 > Referer: > http://127.0.0.1:8888/OTCValidationsCheckListReport.html?gwt.codesvr=127.0.0.1:9997/ > Content-Length: 360 > Connection: keep-alive > Pragma: no-cache > Cache-Control: no-cache > Response headers > Content-Type: text/plain > com.google.gwt.user.client.rpc.StatusCodeException: 500 The call failed on > the server; see server log for details > at > com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:209) > at > com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:258) > at > com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:412) > at sun.reflect.GeneratedMethodAccessor49.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > at > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172) > at > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:338) > at > com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:219) > at > com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136) > at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:571) > at > com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:279) > at > com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91) > at com.google.gwt.core.client.impl.Impl.apply(Impl.java) > at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:242) > at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103) > at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71) > at > com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172) > at > com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:293) > at > com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) > at > com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) > at java.lang.Thread.run(Thread.java:662) > > > > > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/google-web-toolkit. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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