Re: SocketException While Uploading Large File With MultipartPostMethod

[Michael Becke]

There is no real limit on the file size.  I've done it with a 300MB  
file with no problem.  The error could be on the server side.  Any idea  
what is happening there?  What are you posting to?

Mike

On Tuesday, February 25, 2003, at 10:04 PM, Daniel Walsh wrote:

As I mentioned in a previous posting (Subject: MultipartPostMethod  
Holding File Stream Open?), I'm using the MultipartPostMethod to  
upload a file to a servlet.  Here is the example code that I included  
in the other posting:

File file = new File(strUrl);

HttpClient client = new HttpClient();
HostConfiguration hostConfig = new HostConfiguration();
MultipartPostMethod mpPost = new MultipartPostMethod();
 hostConfig.setHost(someURL.getHost(), someURL.getPort(),
someURL.getProtocol());
client.setConnectionTimeout(30000);
client.setHostConfiguration(hostConfig);
mpPost.addParameter("someName", "someValue");
mpPost.addParameter(file.getName(), file);
mpPost.setPath(strPath);
client.executeMethod(mpPost);
String confirmUpload = tpPost.getResponseBodyAsString();
mpPost.releaseConnection();
I've been uploading some small text files (about 14KB each) and it  
seems to work properly in this situation.  However, when I try to do  
the same with a 20MB file (I realize that this is a very large file,  
however, I want to test it's performance) a SocketException is thrown.

java.net.SocketException: Software caused connection abort: socket  
write error
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at  
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at  
java.net.SocketOutputStream.write(SocketOutputStream.java:126)
        at  
org.apache.commons.httpclient.methods.multipart.FilePart.sendData(FileP 
art.java:198)
        at  
org.apache.commons.httpclient.methods.multipart.Part.send(Part.java:197 
)
        at  
org.apache.commons.httpclient.methods.MultipartPostMethod.writeRequestB 
ody(MultipartPostMethod.java:203)
        at  
org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBas 
e.java:1974)
        at  
org.apache.commons.httpclient.HttpMethodBase.processRequest(HttpMethodB 
ase.java:2298)
        at  
org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.jav 
a:915)
        at  
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java: 
557)
        at  
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java: 
474)
        at test.FileUploader.upload(FileUploader.java:179)
        at test.FileUploader.main(FileUploader.java:341)

Is there some kind of cap on the file size that I can send?  If so, at  
what size is the cap set?



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