Re: [appengine-java] Re: URL Fetch java.io.IOException
Can help you ,
http://ikaisays.com/2010/06/29/using-asynchronous-urlfetch-on-java-app-engine/
..
2011/4/9 Z
> I think that it might apply to ALL types of the HTTP requests (i.e GET
> and POST).
>
> On Apr 4, 10:20 am, Thomas Visser wrote:
> > It looks like there's a bug in the 1.4.3 development server regarding
> > to POST requests. It worked for me again when I removed the Content-
> > Length header parameter.
> >
> > On Apr 4, 3:51 pm, Peter wrote:
> >
> >
> >
> >
> >
> >
> >
> > > Hi
> >
> > > I have an application running on gae and another client application
> > > running on a local development server.
> > > The client application is trying to send some params through a http
> > > connection an recive some respone in the same connectin.
> > > The client application works fine but after i change the SDK versin
> > > 1.4.2 or higher I get an exception:
> > > java.io.IOException: Could not fetch URL:
> http://myserverapplication.appspot.com/something
> > > at
> > >
> com.google.appengine.api.urlfetch.URLFetchServiceImpl.convertApplicationExc
> eption(URLFetchServiceImpl.java:
> > > 110) ..
> > > I got an exception when calling connection.getResponseCode();
> >
> > > Can somebody help me?
> >
> > > Here is my code:
> >
> > > URL url = new URL("http://myserverapplication.appspot.com/something";);
> > > HttpURLConnection con;
> > > int responseCode = HttpURLConnection.HTTP_UNAVAILABLE;
> > > con = (HttpURLConnection) url.openConnection();
> > > con.setRequestMethod("POST");
> > > con.setRequestProperty("Content-Type", "application/x-www-form-
> > > urlencoded");
> > > con.setRequestProperty("Content-Length", "" +
> > > Integer.toString(urlParameters.getBytes().length));
> > > con.setRequestProperty("Content-Language", "en-US");
> > > con.setUseCaches(false);
> > > con.setDoInput(true);
> > > con.setDoOutput(true);
> > > DataOutputStream wr = new DataOutputStream(con.getOutputStream());
> > > wr.writeBytes(urlParameters);
> > > wr.flush();
> > > wr.close();
> > > responseCode = con.getResponseCode();
>
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[appengine-java] Re: URL Fetch java.io.IOException
Ok, never mind. I removed the con.setRequestProperty("Content-
Length",...) in the offending code and that solved my problem.
Thanks!
Stefan
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[appengine-java] Re: URL Fetch java.io.IOException
Hi Thomad and Z,
could one of you describe what you did? Do you simply mean that you
remove this line:
con.setRequestProperty("Content-Length", "" +
Integer.toString(urlParameters.getBytes().length));
For what it's worth: I think this is related to issue 4823 (though the
title seems to suggest it is only concerned with https):
http://code.google.com/p/googleappengine/issues/detail?id=4823
Best regards,
Stefan
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[appengine-java] Re: URL Fetch java.io.IOException
I think that it might apply to ALL types of the HTTP requests (i.e GET
and POST).
On Apr 4, 10:20 am, Thomas Visser wrote:
> It looks like there's a bug in the 1.4.3 development server regarding
> to POST requests. It worked for me again when I removed the Content-
> Length header parameter.
>
> On Apr 4, 3:51 pm, Peter wrote:
>
>
>
>
>
>
>
> > Hi
>
> > I have an application running on gae and another client application
> > running on a local development server.
> > The client application is trying to send some params through a http
> > connection an recive some respone in the same connectin.
> > The client application works fine but after i change the SDK versin
> > 1.4.2 or higher I get an exception:
> > java.io.IOException: Could not fetch
> > URL:http://myserverapplication.appspot.com/something
> > at
> > com.google.appengine.api.urlfetch.URLFetchServiceImpl.convertApplicationExc
> > eption(URLFetchServiceImpl.java:
> > 110) ..
> > I got an exception when calling connection.getResponseCode();
>
> > Can somebody help me?
>
> > Here is my code:
>
> > URL url = new URL("http://myserverapplication.appspot.com/something";);
> > HttpURLConnection con;
> > int responseCode = HttpURLConnection.HTTP_UNAVAILABLE;
> > con = (HttpURLConnection) url.openConnection();
> > con.setRequestMethod("POST");
> > con.setRequestProperty("Content-Type", "application/x-www-form-
> > urlencoded");
> > con.setRequestProperty("Content-Length", "" +
> > Integer.toString(urlParameters.getBytes().length));
> > con.setRequestProperty("Content-Language", "en-US");
> > con.setUseCaches(false);
> > con.setDoInput(true);
> > con.setDoOutput(true);
> > DataOutputStream wr = new DataOutputStream(con.getOutputStream());
> > wr.writeBytes(urlParameters);
> > wr.flush();
> > wr.close();
> > responseCode = con.getResponseCode();
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[appengine-java] Re: URL Fetch java.io.IOException
It looks like there's a bug in the 1.4.3 development server regarding
to POST requests. It worked for me again when I removed the Content-
Length header parameter.
On Apr 4, 3:51 pm, Peter wrote:
> Hi
>
> I have an application running on gae and another client application
> running on a local development server.
> The client application is trying to send some params through a http
> connection an recive some respone in the same connectin.
> The client application works fine but after i change the SDK versin
> 1.4.2 or higher I get an exception:
> java.io.IOException: Could not fetch
> URL:http://myserverapplication.appspot.com/something
> at
> com.google.appengine.api.urlfetch.URLFetchServiceImpl.convertApplicationExc
> eption(URLFetchServiceImpl.java:
> 110) ..
> I got an exception when calling connection.getResponseCode();
>
> Can somebody help me?
>
> Here is my code:
>
> URL url = new URL("http://myserverapplication.appspot.com/something";);
> HttpURLConnection con;
> int responseCode = HttpURLConnection.HTTP_UNAVAILABLE;
> con = (HttpURLConnection) url.openConnection();
> con.setRequestMethod("POST");
> con.setRequestProperty("Content-Type", "application/x-www-form-
> urlencoded");
> con.setRequestProperty("Content-Length", "" +
> Integer.toString(urlParameters.getBytes().length));
> con.setRequestProperty("Content-Language", "en-US");
> con.setUseCaches(false);
> con.setDoInput(true);
> con.setDoOutput(true);
> DataOutputStream wr = new DataOutputStream(con.getOutputStream());
> wr.writeBytes(urlParameters);
> wr.flush();
> wr.close();
> responseCode = con.getResponseCode();
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