I am working on jsp
I want to create a file object with path "http://localhost:8080/examples/"
so i have tried to create file with URI as parameter but i'm not able to succed. so
please do help me. thanks in advance.
actual situation is any remote client must be able to create a file on the server. so please suggest a way for that
In short: File("http://.../x") will NOT create a remote file. It will never create a remote file.
So just give up there.
Instead, the remote server must implement some protocol
or have some server side code (perhaps JSP, ASP, PHP, PL...) that creates a web page.
You need to coordinate with the server side, and do as it asks.
Eg. An online content management software may have special URLs like
"http://somedomain/cms/createPage?title=ABC&color=RED"
"http://somedomain/cms/deletePage?pageID=123"
...
And you need to find out what they are, and call them appropriately.
ok ... ok i got the exact URL but i get an exception by executing the following code
<%@page import="java.io.*,java.util.*,java.lang.*,java.net.*" %>
<%
try{
URL yahoo = new URL("http://<hostpath>/fd/test.jsp");
URLConnection yc = yahoo.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null)
System.out.println(inputLine);
in.close();
}
catch(Exception e)
{
out.print("error");
}
%>
> i just get some exception raised.
No. Exception has a name, a message, and a stack trace.
Print them.
It will give you a LOT OF ideas on what went wrong.
>
> when i referred this page
> http://java.sun.com/docs/books/tutorial/networking/url
> s/readingURL.html
>
> at the end of the above mentioned page it says set
> the proxy host ..... can any one explain me what is
> it and how to do that.
>
Proxy could be an issue. But are you using a proxy on your test machine?
If not, then it is NOT the source of your problem.
the exception raised is the following one.
type Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
exception
java.io.IOException: Server returned HTTP response code: 500 for URL:
>
> Server returned HTTP response code: 500 for URL
>
Ah, good. HTTP500 is a well known error code.
That means the remote server could not even serve the page!
Forget about using Java program.
Just type "http://<hostpath>/fd/test.jsp" into your web browser.
The web browser should say "HTTP 500: Internal Server Error".
The server side code is bad.
So it is not the fault of your client code. It's on the server side.
Edit: Oh wait, are you also the author of the server side code "test.jsp"?
If so, then it's your fault then.
> tell me KathyMcDonnellcant we create a file using
> URL /URI on the same machine we are executing the
> program?
No. URL/URI are interpreted by the server side environment (eg. Apache or Tomcat...)
which will translate something like "http://abc.com/home.html"
into something like "/Documents/ABC.COM/webroot/home.html"...
It is a totally webserver-specific operation, and you need to convert URL/URI
into the local pathname using the webserver facilities.
Instead, if you want to create a local file "C:\Home\ABC.html", then do that.
Don't create "new File("http://abc.com/def/ghi/abc.html") and expect Java to know
that it means "C:\Home\ABC.html"