What does this error for the Code below
java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.io.ObjectInputStream.<init>(Unknown Source)
at com.kbs.framework.client.gui.PIPReport.doProcess(P IPReport.java:562)
at com.kbs.framework.client.gui.PIPReport.actionPerfo rmed(PIPReport.java:508)
at javax.swing.AbstractButton.fireActionPerformed(Unk nown Source)
at javax.swing.AbstractButton$ForwardActionEvents.act ionPerformed(Unknown
Source)
at javax.swing.DefaultButtonModel.fireActionPerformed (Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(Unknown
Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent( Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(U nknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unkno wn Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierar chy(Unknown
Source)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
When I click the Button in Applet , I want it open a Dialog asking for
the excel to open/save etc... It doesnt happen why...
Though I'm writing the contents to excel , Now it doesnt create the
excel file Why....
My Applet code is
------------------------------------------------------------------------------
URL url =new URL("http://localhost:8080/portal/servlet/com.kbs.framework.client.gui.ReportServlet");
HttpURLConnection servletConnection =
(HttpURLConnection)url.openConnection();
servletConnection.setDoInput(true);
servletConnection.setDoOutput(true);
servletConnection.setUseCaches(false);
servletConnection.setDefaultUseCaches(false);
servletConnection.setRequestMethod("POST");
servletConnection.setRequestProperty("Content-type","application/octet-stream");
ObjectOutputStream outStream =
new ObjectOutputStream(servletConnection.getOutputStre am());
outStream.writeObject(command);
outStream.flush();
outStream.close();
System.out.println("MY RESULT IN APPLET");
InputStream instr = servletConnection.getInputStream();
ObjectInputStream inputFromServlet = new ObjectInputStream(instr);
String result = (String) inputFromServlet.readObject();
inputFromServlet.close();
instr.close();
------------------------------------------------------------------
SERVLET CODE
--------------------------------------------------------------------
public void performTask(javax.servlet.http.HttpServletRequest
request,javax.servlet.http.HttpServletResponse response)
{
response.setContentType("application/vnd.ms-excel");
PrintWriter out = response.getWriter();
String fileName = "temp" + Long.toString(System.currentTimeMillis())
+ ".xls";
response.addHeader("Content-Disposition", "inline; filename=\"" +
fileName
+ "\"");
InputStream in = request.getInputStream();
ObjectInputStream inputFromApplet = new ObjectInputStream(in);
String command = (String) inputFromApplet.readObject();
String result = submitQuery(command);
System.out.println("RESULT" + result);
out.println(command);
out.close();
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