When setting the request content length of an enclosed entity to be
stored on the WebDAV server using the PutMethod, the HttpClient returns
an "Unbuffered entity enclosing request can not be repeated"
HttpException. I am aware that if the request is not buffered, then the
PutMethod (or PostMethod) cannot retry the request in case of an
authentication challenge or an I/O error. An alternate solution would be
to let the PutMethod buffer the entire file by setting the request
content length to EntityEnclosingMethod.CONTENT_LENGTH_AUTO. This is OK
for small files; however for enormous size files it causes an
out-of-memory error. My question is how do I send a retry request after
an authentication challenge has been sent back by the server, and why
can't the EntityEnclosingMethod.writeRequestBody() send the request
again from it's requestStream.
Here is a sample code.
//--------------------------
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.methods.PutMethod;
import java.io.*;
public class PutMethodExample
{
public static void main(String args[]) throws Exception
{
HttpClient client = new HttpClient();
// Assuming that the credentials are passed to the
HttpClient using
// the HttpState.setCredentials
PutMethod put = new
PutMethod("http://myServer:/webdav/example.txt
<http://myServer:/webdav/example.txt> ");
File bigFile = new
File("c:\\j2sdk-1_4_2-windows-i586.exe");
long fileLength = bigFile.length();
put.setRequestContentLength((int)fileLength);
put.setRequestBody(new FileInputStream(bigFile));
int status = client.executeMethod(put);
put.releaseConnection();
}
}
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