Setting limit on filesize to be uploaded

When your handling the file upload you might want to set limit on the file size that can be uploaded you can do that by setting value of maxFileSize. The value of maxFileSize is in bytes,

@WebServlet("/hellofileupload")
@MultipartConfig(maxFileSize=1000 )
public class HelloFileUploadAnnotationServlet extends HttpServlet {
private static final long serialVersionUID = 1L;


protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("Entering HelloFileUploadAnnotationServlet.doPost()");
response.setContentType("text/html");
response.getWriter().println("Hello from FileUploadServlet");
Collection fileParts = request.getParts();
Iterator filePartIt = fileParts.iterator();
while(filePartIt.hasNext()){
Part filePart = filePartIt.next();
System.out.println("File Name " + filePart.getName());
System.out.println("File Size " + filePart.getSize());

System.out.println("File Content ");
BufferedReader fileReader =
new BufferedReader(new InputStreamReader(filePart.getInputStream()));
String line = null;
while(( line = fileReader.readLine()) != null){
System.out.println(line);
}
}
System.out.println("Exiting HelloFileUploadAnnotationServlet.doPost()");
}

}


So in my sample application if i try to upload a file bigger than 1000 bytes it will throw a java.lang.IllegalStateException exception like this

[12/19/10 20:24:23:765 PST] 00000019 servlet E com.ibm.ws.webcontainer.servlet.ServletWrapper service
SRVE0068E: An exception was thrown by one of the service methods of the servlet [com.webspherenotes.j2ee6.servlet.HelloFileUploadAnnotationServlet]
in application [HelloServletAnnotationEAR]. Exception created : [java.lang.IllegalStateException:
SRVE8021E: The file being uploaded is too large.
at com.ibm.ws.webcontainer.srt.SRTServletRequest.parseMultipart(SRTServletRequest.java:3504)
at com.ibm.ws.webcontainer.srt.SRTServletRequest.prepareMultipart(SRTServletRequest.java:3413)
at com.ibm.ws.webcontainer.srt.SRTServletRequest.getParts(SRTServletRequest.java:3394)
at com.webspherenotes.j2ee6.servlet.HelloFileUploadAnnotationServlet.doPost(HelloFileUploadAnnotationServlet.java:31)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:595)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1133)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:708)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:435)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1012)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3598)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:303)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:950)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1624)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:197)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:445)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:504)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:301)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:275)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1618)
]

4 comments:

Vamsi Krishna Bojedla said...

What is the solution for this issue. Even I am facing same issue.

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