Connection Reset during PUT

[al...@thesimplersolution.co.uk]

Hi all,

I've had a strange problem using Sardine whilst connected to SharePoint.

Firstly, some background.  I've developed a simple Java app that transfers files between 2 WebDav servers.  This works great on OSX and Apache with WebDav... but fails when ran on Windows or on AIX servers connecting to a SharePoint WebDav.

It always fails when doing the PUT command to the destination server.  Many other commands work fine, so I can list, get, make directories, etc.

The error I get is java.net.SocketException: Connection reset

Stack trace is as follows:

java.net.SocketException: Connection reset

at java.net.SocketInputStream.read(SocketInputStream.java:179)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:166)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:90)
at org.apache.http.impl.io.SocketInputBuffer.isDataAvailable(SocketInputBuffer.java:101)
at org.apache.http.impl.AbstractHttpClientConnection.isResponseAvailable(AbstractHttpClientConnection.java:246)
at org.apache.http.impl.conn.ManagedClientConnectionImpl.isResponseAvailable(ManagedClientConnectionImpl.java:180)
at org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:238)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:716)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:521)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:1138)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:1076)
at com.github.sardine.impl.SardineImpl.execute(SardineImpl.java:807)
at com.github.sardine.impl.SardineImpl.put(SardineImpl.java:738)
at com.github.sardine.impl.SardineImpl.put(SardineImpl.java:714)
at com.github.sardine.impl.SardineImpl.put(SardineImpl.java:684)
at com.github.sardine.impl.SardineImpl.put(SardineImpl.java:676)
at com.github.sardine.impl.SardineImpl.put(SardineImpl.java:670)
at WebDavWrapper.putFile(WebDavWrapper.java:36)

Any ideas why this could occur?  Are there any questions I could ask the network team about the connection between the Windows / AIX servers and the SharePoint server?

Thanks,

Alan

[al...@thesimplersolution.co.uk]

I should add... I am performing the sardine.put() using the FileInputStream technique, e.g:

        FileInputStream putStream = new FileInputStream(new File(localFilePath));

        sardine.put(destinationWebDavUrl, putStream);

Also... I've noticed that the connection reset appears to occur at the end of the put().  When I upload a small file it resets immediately, if I put up a very large file it will throw the exception after a delay.

Hope this helps,

Alan

[al...@thesimplersolution.co.uk]

Hi everyone,

I'd still be interested in know why this was occuring... however I've found that it works correctly when I don't use streams, but instead read the file into a byte array first.  So... this code now works without error:

byte[] data = FileUtils.readFileToByteArray(new File(localFilePath));
sardine.put(destinationWebDavUrl, data);

Could the stream be having problems reading, or perhaps it is sending the wrong content-length up with the stream?

Any ideas folks?

Alan

[Jon Stevens]

Turn on verbose http logging. You probably want wire level logging. See if there is anything interesting in there.

http://hc.apache.org/httpcomponents-client-ga/logging.html

jon

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[Alan Graham]

Thanks jon I will look into that.  Obviously reading the file contents into memory is not optimal.

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[Joanne Kelly]

Did you get this resolved?  I am having a different problem with the Put (it works okay as long as I do a List first).  I am using a Stream and need to use a Stream because of the File sizes we have.

[Alan Graham]

I never got it resolved.  We decided to just keep using a byte[] array.

Are you using any form of authentication on your WebDAV server - it seems to make a difference.

Alan

On Sun, Dec 1, 2013 at 5:37 PM, Joanne Kelly <jkell...@gmail.com> wrote:

Did you get this resolved?  I am having a different problem with the Put (it works okay as long as I do a List first).  I am using a Stream and need to use a Stream because of the File sizes we have.

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[Joanne Kelly]

We are using authentication.

It is odd because all works well if we do a list before the put -- we can use the Stream on the put.  However, if I remove the list, I get a ClientProtocolException with the put.  It seems that the list is initializing something that the put needs.

Thanks for letting me know.

[Alan Graham]

I will try to do a List before Put next week, at least it could be helpful to others who come across this.

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[Joanne Kelly]

See my response to "Sardine put getting ClientProtocolException if not doing list first".  It gives an explanation for the problem.  You can also do an Exists to get around the problem.

[Joanne Kelly]

Alan -- our problem is completely resolved.  See my response to "Sardine put getting ClientProtocolException if not doing list first".  Perhaps the 2 things we had to do will also resolve your problem.

[Sasan Yavari]

Hi friends,

I enabled the PreemptiveAuthentication for my host but I have same problem.

I get Connection Reset during PUT and also I have another problem, it takes too long to get Connection Reset during PUT request. I can see server logs and after at least 5 minutes of stopping data transfer, Connection Reset happening.

I have 10000ms connection timeout and 20000ms socket timeout but program don't show respect to my timeout settings.
Is there any solution for this problems?