Re: multipart/form-data support
On 1/3/11 3:06 AM, Pankaj Tiwari wrote:
> I have been trying to send multipart/form-data to the server. I have found
> that the request never reaches the server.
Doesn't sound like a Tomcat problem to me then...
> This is my client code, if I am missing something core in here.
>
> public static void main(String args[])
> {
> try
> {
> URL url = new URL(SERVERURL);
> HttpURLConnection con = (HttpURLConnection)
> url.openConnection();
>
> con.setDoInput(true);
> con.setDoOutput(true);
> con.setUseCaches(false);
>
> con.setRequestProperty("Content-Type",
> "multipart/form-data;boundary=" + BOUNDARY);
> con.setRequestMethod("POST");
Why are you using keep alive?
> con.setRequestProperty("Connection", "Keep-Alive");
>
> OutputStream out = con.getOutputStream();
Why are you using a DataOutputStream?
> DataOutputStream oos = new DataOutputStream(out);
> oos.writeBytes(TWOHYPHENS + BOUNDARY + LINEEND);
> oos.writeBytes("Content-Disposition: form-data; name=\"name\"" +
> LINEEND);
> oos.writeBytes(LINEEND);
> oos.write("HI".getBytes("UTF-8"));
> oos.writeBytes(LINEEND);
> oos.writeBytes(TWOHYPHENS + BOUNDARY + TWOHYPHENS + LINEEND);
> oos.flush();
> con.connect();
Why are you connecting after you've attempted to write data?
p
> oos.close();
> }
> catch (MalformedURLException e)
> {
> e.printStackTrace();
> }
> catch (IOException e)
> {
> e.printStackTrace();
> }
> }
>
> Thanks,
> Pankaj
>
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Re: multipart/form-data support
1. Keep-Alive - I am not sure if that should cause any issues here.
2. The request never reaches the server. I have tried without the last
connect as well but nothing seems to work here.
When I run this piece of code, I do not get any exceptions or error on the
client side but the request does not seems to be reaching the server.
(doGet/doPost methods are never called).
Q1. How can i debug if the request is being sent from the java client at
all? If it had been a browser, I could have used a header monitoring plugin
but not sure about java application
Q2. Is there any chance that tomcat does not support or ignores such request
(multipart file-data)?
On Mon, Jan 3, 2011 at 7:53 PM, Pid wrote:
> On 1/3/11 3:06 AM, Pankaj Tiwari wrote:
> > I have been trying to send multipart/form-data to the server. I have
> found
> > that the request never reaches the server.
>
> Doesn't sound like a Tomcat problem to me then...
>
> > This is my client code, if I am missing something core in here.
> >
> > public static void main(String args[])
> > {
> > try
> > {
> > URL url = new URL(SERVERURL);
> > HttpURLConnection con = (HttpURLConnection)
> > url.openConnection();
> >
> > con.setDoInput(true);
> > con.setDoOutput(true);
> > con.setUseCaches(false);
> >
> > con.setRequestProperty("Content-Type",
> > "multipart/form-data;boundary=" + BOUNDARY);
> > con.setRequestMethod("POST");
>
> Why are you using keep alive?
>
> > con.setRequestProperty("Connection", "Keep-Alive");
> >
> > OutputStream out = con.getOutputStream();
>
> Why are you using a DataOutputStream?
>
> > DataOutputStream oos = new DataOutputStream(out);
> > oos.writeBytes(TWOHYPHENS + BOUNDARY + LINEEND);
> > oos.writeBytes("Content-Disposition: form-data;
> name=\"name\"" +
> > LINEEND);
> > oos.writeBytes(LINEEND);
> > oos.write("HI".getBytes("UTF-8"));
> > oos.writeBytes(LINEEND);
> > oos.writeBytes(TWOHYPHENS + BOUNDARY + TWOHYPHENS + LINEEND);
> > oos.flush();
> > con.connect();
>
> Why are you connecting after you've attempted to write data?
>
>
> p
>
> > oos.close();
> > }
> > catch (MalformedURLException e)
> > {
> > e.printStackTrace();
> > }
> > catch (IOException e)
> > {
> > e.printStackTrace();
> > }
> > }
> >
> > Thanks,
> > Pankaj
> >
>
>
--
Pankaj Tiwari
RE: multipart/form-data support
> From: Pankaj Tiwari [mailto:panky.tiw...@gmail.com] > Subject: Re: multipart/form-data support > 2. The request never reaches the server. Then it can't be a Tomcat issue, can it? - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers.
Re: multipart/form-data support
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Pankaj,
On 1/2/2011 10:06 PM, Pankaj Tiwari wrote:
> I have been trying to send multipart/form-data to the server. I have found
> that the request never reaches the server.
How are you checking to see if it reaches the server?
> This is my client code, if I am missing something core in here.
>
> public static void main(String args[])
> {
> try
> {
> URL url = new URL(SERVERURL);
What is SERVERURL?
> con.setDoInput(true);
> con.setDoOutput(true);
...
> OutputStream out = con.getOutputStream();
> DataOutputStream oos = new DataOutputStream(out);
I agree with Pid: why are you using DataOutputStream?
> oos.writeBytes(TWOHYPHENS + BOUNDARY + LINEEND);
Hmm... write before connect?
> oos.flush();
> con.connect();
Try connecting before writing. Also, try reading the response (you did
setDoInput(true)...).
- -chris
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km4AniigJu80/uJ6gl1Kg/6WD1i+rv/I
=KmrY
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Re: multipart/form-data support
Hi Chris,
Thank you so much for pointing me to the right direction. The problem was
with my SERVERURL. The server was sending back the response as 200.
I should have checked that before :(
Thanks Again,
Pankaj
On Mon, Jan 3, 2011 at 11:29 PM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Pankaj,
>
> On 1/2/2011 10:06 PM, Pankaj Tiwari wrote:
> > I have been trying to send multipart/form-data to the server. I have
> found
> > that the request never reaches the server.
>
> How are you checking to see if it reaches the server?
>
> > This is my client code, if I am missing something core in here.
> >
> > public static void main(String args[])
> > {
> > try
> > {
> > URL url = new URL(SERVERURL);
>
> What is SERVERURL?
>
> > con.setDoInput(true);
> > con.setDoOutput(true);
>
> ...
>
> > OutputStream out = con.getOutputStream();
> > DataOutputStream oos = new DataOutputStream(out);
>
> I agree with Pid: why are you using DataOutputStream?
>
> > oos.writeBytes(TWOHYPHENS + BOUNDARY + LINEEND);
>
> Hmm... write before connect?
>
> > oos.flush();
> > con.connect();
>
> Try connecting before writing. Also, try reading the response (you did
> setDoInput(true)...).
>
> - -chris
> -BEGIN PGP SIGNATURE-
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> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk0iDnEACgkQ9CaO5/Lv0PD6AQCfctFc2yULc7QkATMx1fAqwe5F
> km4AniigJu80/uJ6gl1Kg/6WD1i+rv/I
> =KmrY
> -END PGP SIGNATURE-
>
> -
> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
> For additional commands, e-mail: users-h...@tomcat.apache.org
>
>
--
Pankaj Tiwari
[OT] Re: multipart/form-data support
On 1/3/11 2:55 PM, Pankaj Tiwari wrote:
> 1. Keep-Alive - I am not sure if that should cause any issues here.
Why set it if you're not reusing the connection?
> 2. The request never reaches the server. I have tried without the last
> connect as well but nothing seems to work here.
Check the response status code: con.getResponseCode()
> When I run this piece of code, I do not get any exceptions or error on the
> client side but the request does not seems to be reaching the server.
> (doGet/doPost methods are never called).
>
> Q1. How can i debug if the request is being sent from the java client at
> all? If it had been a browser, I could have used a header monitoring plugin
> but not sure about java application
GIYF: Wireshark.
> Q2. Is there any chance that tomcat does not support or ignores such request
> (multipart file-data)?
Tomcat doesn't care what the body of the request looks like.
p
> On Mon, Jan 3, 2011 at 7:53 PM, Pid wrote:
>
>> On 1/3/11 3:06 AM, Pankaj Tiwari wrote:
>>> I have been trying to send multipart/form-data to the server. I have
>> found
>>> that the request never reaches the server.
>>
>> Doesn't sound like a Tomcat problem to me then...
>>
>>> This is my client code, if I am missing something core in here.
>>>
>>> public static void main(String args[])
>>> {
>>> try
>>> {
>>> URL url = new URL(SERVERURL);
>>> HttpURLConnection con = (HttpURLConnection)
>>> url.openConnection();
>>>
>>> con.setDoInput(true);
>>> con.setDoOutput(true);
>>> con.setUseCaches(false);
>>>
>>> con.setRequestProperty("Content-Type",
>>> "multipart/form-data;boundary=" + BOUNDARY);
>>> con.setRequestMethod("POST");
>>
>> Why are you using keep alive?
>>
>>> con.setRequestProperty("Connection", "Keep-Alive");
>>>
>>> OutputStream out = con.getOutputStream();
>>
>> Why are you using a DataOutputStream?
>>
>>> DataOutputStream oos = new DataOutputStream(out);
>>> oos.writeBytes(TWOHYPHENS + BOUNDARY + LINEEND);
>>> oos.writeBytes("Content-Disposition: form-data;
>> name=\"name\"" +
>>> LINEEND);
>>> oos.writeBytes(LINEEND);
>>> oos.write("HI".getBytes("UTF-8"));
>>> oos.writeBytes(LINEEND);
>>> oos.writeBytes(TWOHYPHENS + BOUNDARY + TWOHYPHENS + LINEEND);
>>> oos.flush();
>>> con.connect();
>>
>> Why are you connecting after you've attempted to write data?
>>
>>
>> p
>>
>>> oos.close();
>>> }
>>> catch (MalformedURLException e)
>>> {
>>> e.printStackTrace();
>>> }
>>> catch (IOException e)
>>> {
>>> e.printStackTrace();
>>> }
>>> }
>>>
>>> Thanks,
>>> Pankaj
>>>
>>
>>
>
>
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