JAX WebService client is throwing ClosedChannelException on server.

We have devloped a WebService using Java 1.6 annotation which is used to upload data on remote server. The client can also download the upgrade with a latest version from the WebService. The application works fine if the upgrade.exe size is below 2MB on internet but if it exceeds this limit then the below exception is thrown and the download gets terminated. The same is working fine when we run upgrade on Company Intranet

Kindly suggest what could be the reason of failing this download for file size greater then 2MB.

javax.xml.ws.WebServiceException: javax.xml.bind.MarshalException
- with linked exception:
[java.nio.channels.ClosedChannelException]
at com.sun.xml.internal.ws.message.jaxb.JAXBMessage.writePayloadTo(Unknown Source)
at com.sun.xml.internal.ws.message.AbstractMessageImpl.writeTo(Unknown Source)
at com.sun.xml.internal.ws.encoding.StreamSOAPCodec.encode(Unknown Source)
at com.sun.xml.internal.ws.encoding.SOAPBindingCodec.encode(Unknown Source)
at com.sun.xml.internal.ws.transport.http.HttpAdapter.encodePacket(Unknown Source)
at com.sun.xml.internal.ws.transport.http.HttpAdapter.access$100(Unknown Source)
at com.sun.xml.internal.ws.transport.http.HttpAdapter$HttpToolkit.handle(Unknown Source)
at com.sun.xml.internal.ws.transport.http.HttpAdapter.handle(Unknown Source)
at com.sun.xml.internal.ws.transport.http.server.WSHttpHandler.handleExchange(Unknown Source)
at com.sun.xml.internal.ws.transport.http.server.WSHttpHandler.handle(Unknown Source)
at com.sun.net.httpserver.Filter$Chain.doFilter(Unknown Source)
at sun.net.httpserver.AuthFilter.doFilter(Unknown Source)
at com.sun.net.httpserver.Filter$Chain.doFilter(Unknown Source)
at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(Unknown Source)
at com.sun.net.httpserver.Filter$Chain.doFilter(Unknown Source)
at sun.net.httpserver.ServerImpl$Exchange.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.xml.bind.MarshalException
- with linked exception:
[java.nio.channels.ClosedChannelException]
at com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.write(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.BridgeImpl.marshal(Unknown Source)
at com.sun.xml.internal.bind.api.Bridge.marshal(Unknown Source)
... 19 more
Caused by: java.nio.channels.ClosedChannelException
at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(Unknown Source)
at sun.nio.ch.SocketChannelImpl.write(Unknown Source)
at sun.net.httpserver.Request$WriteStream.write(Unknown Source)
at sun.net.httpserver.ChunkedOutputStream.writeChunk(Unknown Source)
at sun.net.httpserver.ChunkedOutputStream.write(Unknown Source)
at sun.net.httpserver.PlaceholderOutputStream.write(Unknown Source)
at java.io.FilterOutputStream.write(Unknown Source)
at java.io.FilterOutputStream.write(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.output.UTF8XmlOutput.write(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.output.Encoded.write(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.output.UTF8XmlOutput.doText(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.output.UTF8XmlOutput.text(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.leafElement(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl$1.writeLeafElement(Unknown Source)
at com.sun.xml.internal.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl$1.writeLeafElement(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor$CompositeTransducedAccessorImpl.writeLeafElement(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.serializeBody(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsXsiType(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.BridgeImpl.marshal(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.CompositeStructureBeanInfo.serializeBody(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.CompositeStructureBeanInfo.serializeBody(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsXsiType(Unknown Source)
... 22 more

Server Side Implementation:

@WebService(endpointInterface = "server.OasisJaxServer")
@SOAPBinding(style = SOAPBinding.Style.RPC)
public class OasisJaxServerImpl implements OasisJaxServer {

public UploadMessageBean upgradeOasis(String version) {

UploadMessageBean uploadMessageBean = new UploadMessageBean();
System.err.println("Upgrading OASIS Version");
String resultValue = "";
if (checkUpgrade(version)) {
uploadMessageBean.setSuccess(false);
uploadMessageBean.setErrorMessage("No New Version Available.");
} else {
try {
System.err.println("Upgrading OASIS Version........ ");
ResourceBundle resourceBundle = ResourceBundle.getBundle("OIS");
String upgradePath = resourceBundle.getString("upgrade");
File myFile = new File(upgradePath);
byte[] mybytearray = new byte[(int) myFile.length()];
FileInputStream fis = new FileInputStream(myFile);
BufferedInputStream bis = new BufferedInputStream(fis);
bis.read(mybytearray, 0, mybytearray.length);
uploadMessageBean.setSuccess(true);
uploadMessageBean.setByteArray(mybytearray);
System.err.println("OASIS Version Successfully Upgraded");
} catch (FileNotFoundException e) {
System.err.println("FileNotFoundException " + e.getMessage());
System.err.println(e.getMessage());
} catch (IOException e) {
System.err.println("IOException " + e.getMessage());
System.err.println(e.getMessage());
}
}
return uploadMessageBean;
}

Client Side code to call the WebService and download the latest EXE:

public String upgrade() throws RemoteException, IOException, OASISServiceException {
String returnValue = null;
String SERVER_NAME = (String) GlobalCache
.getValueFromGlobalCache(OISConstants.OASIS_SERVER_SELECTED);
server.OasisJaxServer oasisJaxServer = JaxWSUtils.getWebService(SERVER_NAME);
UploadMessageBean messageBean;
if(oasisJaxServer!=null)
{
String oasisVersion = (String) GlobalCache.getValueFromGlobalCache(GlobalCache.OASIS_CURRENT_VERSION);

messageBean = oasisJaxServer.upgradeOasis(oasisVersion);

if (messageBean.isSuccess()) {
byte[] mybytearray = messageBean.getByteArray();
FileOutputStream fos = new FileOutputStream("c:/temp/upgrade.exe");
BufferedOutputStream bos = new BufferedOutputStream(fos);
bos.write(mybytearray);
bos.close();
} else{
returnValue = messageBean.getErrorMessage();
return returnValue;
}
}
else{
return null;
}

return returnValue;
}

public static OasisJaxServer getWebService(String ServerName) throws MalformedURLException {

try{
URL wsdlLocation = new URL("http://"+ServerName+":4446/oasisJaxServer?wsdl");

URLConnection connection = wsdlLocation.openConnection();

connection.setRequestProperty("http.keepAlive", "true");
connection.setReadTimeout(72000);
connection.setRequestProperty("sun.net.client.defaultConnectTimeout", "72000");
connection.connect();

QName serviceName = new QName("http://server/", "OasisJaxServerImplService");
Service service = Service.create(wsdlLocation, serviceName);
server.OasisJaxServer oasisJaxServer = service.getPort(server.OasisJaxServer.class);
return oasisJaxServer;
}catch(Exception e){
e.printStackTrace();
return null;
}
}