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Java Network Q&A » connection » HttpURLConnection 1 

1. Java Authenticator on a per connection basis?    stackoverflow.com

I'm building an Eclipse plugin that talks to a REST interface which uses Basic Authentication. When the authentication fails I would like to popup my plugin's settings dialog and retry. Normally ...

2. Where can I find the source code for Java's HttpURLConnection.getOutputStream()    stackoverflow.com

Where can I find the actual code (be it java or native) that's executed by:

new URL("http://google.com").openConnection().getOutputStream()
Bonus: how I can debug it from IntelliJ IDEA ?

3. How to enable wire logging for a java HttpURLConnection traffic?    stackoverflow.com

I've used Jakarta commons HttpClient in another project and I would like the same wire logging output but using the "standard" HttpUrlConnection. I've used Fiddler as ...

4. need help with bizarre java.net.HttpURLConnection behavior    stackoverflow.com

I am attempting to download a jpg using HttpURLConnection and am encountering a very peculiar bug. Here's the url: http://www.vh1.com/sitewide/promoimages/shows/m/my%5Fantonio/video/supertrailer/seg%5F1/320x240.jpg if you open it in a browser you will see the image. However, ...

5. Java multiple connection downloading    stackoverflow.com

I wanted to get some advice, I have started on a new project to create a java download accelerator that will use multiple connections. I wanted to know how best to ...

6. Limitation in Java HttpUrlConnection getting content length    stackoverflow.com

Right so, I started my project on creating a Java download manager which is going nicely. The only problem I am seeing at the moment is when i request the content ...

7. how to unset ContentHandlerFactory in HTTPUrlConnection    stackoverflow.com

HTTPUrlConnection.setContentHandlerFactory()method throws Exception saying factory is already defined. I understand that. Is it possible to unset the factory and change the contenthandler factory?

8. Got -1 from HttpURLConnection getResponseCode()    stackoverflow.com

In my code I use

mHttpConnRespCode = mConnection.getResponseCode();
to get http response code, where mConnection is HttpURLConnection type. Sometimes I got -1 as response code. Under what circumstances, mConnection.getResponseCode() returns -1? Thanks.

9. HttpURLConnection getting locked    stackoverflow.com

I have a thread running under tomcat which creates a HttpUrlConnection and reads it through BufferedInputStream. After fetching data for some urls, it stalls. I got the jstack of the process which ...

10. HttpURLConnection does not read the whole respnse    stackoverflow.com

I use HttpURLConnection to do HTTP POST but I dont always get back the full response. I wanted to debug the problem, but when I step through each line it worked. ...

11. java httpurlconnection cutting off html    stackoverflow.com

Hey, I'm trying to get the html from a twitter profile page, but httpurlconnection is only returning a small snippet of the html. My code

for(int i = 0; i < urls.size(); ...

12. Need help in getting HTML of a website in Java    stackoverflow.com

I got some code from http://stackoverflow.com/questions/3285077/java-httpurlconnection-cutting-off-html and I am pretty much the same code to fetch html from websites in Java. Except for one particular website that I am unable ...

13. Java's HttpURLConnection doesn't support REPORT/PROPFIND - what shall I do?    stackoverflow.com

HttpURLConnection does only support things like GET, POST and HEAD - but no REPORT/PROPFIND. I'm going to implement a CalDAV-Client but without theese operations (if I want to use them I ...

14. Java; HttpURLConnection; Query items duplicated as `paramName=value, value`. `paramName=value` expected    stackoverflow.com

I'm having a very strange issue. My company uses a centralized user registration web-service for our various properties. We generally send a request to the web service via HttpURLConnection with request-method GET, ...

15. How to simulate a site down in Java?    stackoverflow.com

My app accesses info on the web, during my development how do I simulate a site is down in Java ? If the url gets me the page my app processes ...

16. Set instance value of FollowRedirects on HttpURLConnection    stackoverflow.com

I've googled this, as well as checked the documentation, but not been able to come up with an answer. So now I'm hoping that someone here at least has ...

17. how to interact with website using HttpURLConnection?    stackoverflow.com

Here is the story: There is a website with some form fields. After filling in the fields the user can click on search. By clicking the search button a list of ...

18. Java: HttpURLConnection Issues with IllegalStateArgument: Already Connected    stackoverflow.com

This question seems clear what is happening: I already have a connection open, the problem is I don't know why. Right now I'm just testing my http login and out. Login:

HttpURLConnection con = ...

19. JUnit testing HttpURLConnection    stackoverflow.com

I'm pretty new to unit testing but having trouble testing or mocking HttpURLConnection. All the code does is test if valid URL was entered and the pings back if online.

public ...

20. Java HttpURLConnection    stackoverflow.com

What is the function or purpose of HttpURLConnection.setDoInput or HttpURLConnection.setDoOutput?

21. HttpURLConnection: how to read the answer    stackoverflow.com

I'm going nuts on this. (as most people posting here lol) I have a server written by somebody else and I'm sending request to it to retrieve info. I know that it works ...

22. Load Balancing webservers using Httpurlconnection on client side    stackoverflow.com

My application needs to connect to a web service to get xml data. I have four web service endpoints. What is the best way to load balance between web service? I know best ...

23. HttpURLConnection buffering rather than streaming, despite setting chunked streaming mode?    stackoverflow.com

I am using HttpURLConnection to write files, some of which are quite large, to a server.

final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
A while back I had issues writing objects 1 GB ...

24. In Java, how I count the size of the download of a webpage during the download?    stackoverflow.com

I want to do this: I have a max limit size for donwload(eg.: 10MB). I start the download of a webpage. If the download of the page does not finish until the ...

25. how to exceed return string of get method (httpurlconnection)    stackoverflow.com

I use HTTPUrlConnection with GET method to get data from the server, and the return string about 13k characters, but I'm just receive 1228 characters. Any solution to exceed to receive all ...

26. HttpURLConnection java range    stackoverflow.com

I use 'HttpURLConnection' in Java with the "Range" property to download a segment of a file, i set the range 60000-560000, and i can read 500000 bytes data, which is ...

27. How I set the name of my downloader agent in Java, using the HttpURLConnection?    stackoverflow.com

I did a webcrawler and I want to set the name of my downloader agent to the sites knows who is acessing their content and to follow the robots.txt rules by ...

28. How to disable buffering in Java HttpURLConnection for multi-part form post?    stackoverflow.com

(This is for a signed applet and I have decided against HTTPClient to keep my jar very small) I am using HttpURLConnection to successfully upload a file from the user to a ...

29. It's possible know when the HttpURLConnection was established?    stackoverflow.com

I'm using the HttpURLConnection to open connections to web pages. I call the connect() method to open the connection. I not found an isConnected() method. I need to know when the connection was ...

30. HttpURLConnection problem?????    coderanch.com

Hi Hemant.. Try these things... 1. try giving the IP address instead of the url... 2. check whether u r behind a proxy server..if u r then change the system property of Httpproxyhost and Httpproxyport (am not sure of the exact spelling) to ur proxy server's ip and port and then run the code. Regards, Ganp.

31. Help on HttpURLConnection    coderanch.com

Where URLStreamHandlers come from is not a one sentance answer, looking at URL.getURLStreamHandler(String protocol), which is the method called in the URL constructor to locate a URLStreamHandler. First the method checks if it has already got an instance of the correct URLStreamHandler in a local cache it creates of protocols successfully located previously. If not, it checks if it has a ...

32. Multiple posts using HttpURLConnection    coderanch.com

33. HttpURLConnection    coderanch.com

34. HttpURLConnection    coderanch.com

35. HttpURLConnection Book    coderanch.com

This class is buggy, even if you were to find a book on the api with lots of samples, you may have trouble getting your particular needs to work. On this forrum you can see recent posts on the class' setrequestheader function not working. This bug has been around for years. If you find a book ever i hop eit mentions ...

36. HTTPURLCONNECTION    coderanch.com

ResponseMessage in loginToOCH: null cookie=:: sesessionid=ZJC5EHAAAAC43A3GCIG5QHI;Path=/ index 0, null=::HTTP/1.0 200 ok index 1, Server=::Netscape-Enterprise/3.5.1 index 2, Date=::Tue, 02 Jul 2002 07:11:09 GMT index 3, Content-Type=::text/html index 4, Set-Cookie=::sesessionid=ZJC5EHAAAAC43A3GCIG5QHI;Path=/ index 5, Cache-Control=::no-cache="set-cookie,set-cookie2" index 6, Expires=::Thu, 01 Dec 1994 16:00:00 GMT index 7, Content-Language=: a I am trying to connect through a proxy server, to a site that is outside of my intranets ...

37. getContentLength() of HttpURLConnection Problem    coderanch.com

I have the following code that works perfectly well under JDK 1.3 and below, but fails under JDK 1.4.1_01, when connection.getContentLength() returns -1. Does anyone have an explanation? Thanks, Eugene. String postRequest(String formData) throws DatekException { try { // establish the connection (new for every request) HttpURLConnection connection = ( HttpURLConnection ) url.openConnection(); // set the neccessary properties connection.setDoOutput(true); // allow ...

38. How far can you take HttpURLConnection    coderanch.com

Thanks a lot for that perspective Mike! I followed your link to the white paper on HTTP protocol at the W3C web site. I see how that is the authorative source on HTTP of course, but that doc is too tough for me. Are there any other sources for this information that might be a little more user friendly? I just ...

39. HttpURLConnection    coderanch.com

40. Problems with HttpURLConnection    coderanch.com

The question is: I know the address to the first page, and I know what information I need to post the result is another page that is returned. Well that page that is returned contains a post form also, so I would like to post some information to that page as well. I am wondering if I can do this all ...

41. HttpURLConnection onSubmit problem.    coderanch.com

Hi Brian Sorry, but I don't understand what problem you have and how you are doing things? Please explain in more details. I didn't understand how the form's onSubmit plays a role in what you are doing? Because if we are submitting a form by Http URL connection then 'form' tag doesn't play a role I guess... Regards Maulin

42. HTTPURLConnection on HP Unix    coderanch.com

44. Problem while using HttpURLConnection    coderanch.com

Hi all, i am using the folowing code to call a url in loop, but problem is if url is not available in starting then it gives connect exception which should come: OK Now once i have started the loop if in between the url link goes down then application hangs and it goes in wait for unlimited time to receive ...

45. HTTPURLConnection Redirect    coderanch.com

Hi, I am tryting to download a document using HTTPURLConnection. The problem is I dont have direct link to the document. The link I have is authenticating me using IP Address and then redirecting me to the actual page. I dont know the actual link at the beginning. I need to get new location of URL to donwload it. I dont ...

46. Using HttpURLConnection    coderanch.com

47. HTTPUrlConnection only works with Debugger-without I'm to fast??!!    coderanch.com

Hi, i have a big problem with the HttpUrlConnection-Class. I want to communicate with a HttpServerSoftware (not produced by me). Therefore I use the HttpUrlConnection-Class. This makes no problems if I use the Debugger and run the code step by step. But if I run the Software normally, it seems to be to fast for the server. The InputStrem delivered by ...

49. Kill an HttpURLConnection    coderanch.com

sun.net.client.defaultConnectTimeout (default: -1) sun.net.client.defaultReadTimeout (default: -1) These properties specify the default connect and read timeout (resp.) for the protocol handler used by java.net.URLConnection. sun.net.client.defaultConnectTimeout specifies the timeout (in milliseconds) to establish the connection to the host. For example for http connections it is the timeout when establishing the connection to the http server. For ftp connection it is the timeout when ...

50. HttpURLConnection problem    coderanch.com

You did mess up the request, and therefore didn't get any XML back, I'd think. More specifically, you provided the parameters in the URL, which looks more like a GET request, and you didn't provide any request body content, even though you did set the content length. It's probably easier to use Jakarta Commons HttpClient for this than doing it manually. ...

52. java.net.HttpURLConnection    coderanch.com

53. Using HttpUrlConnection    coderanch.com

I'm not expert enough on this to spot what's wrong with that, but here's something of mine that runs fine. Maybe you can spot something in the difference. private void shutDown() throws Exception { postMessage( "pagename=logon&event=logon&userid=****&password=****" ); postMessage( "pagename=wiki&event=shutdown" ); } private void postMessage(String message) throws Exception { openConnection(); sendRequest( message ); readResponse(); } private void openConnection() throws UnknownHostException, MalformedURLException, IOException ...

54. HttpURLConnection question    coderanch.com

yeah, I've been kind of playing with it in my app. As far as I can tell, it doesn't redirect at all. I may be doing something wrong though, since I don't really understand connecting, then setting the redirect to true, but that's the only format I've found that will compile. HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setFollowRedirects(true); After I check for ...

55. httpURLConnection content-length always 0    coderanch.com

I was experiencing the same Content-Length: 0 issue with a different Java versions and for seemingly different reasons, or Jeff's code example is not complete. I tried bumbling through setting up some code to POST to a server using URL and HttpURLConnection and every time the server would not only show Content-Length 0, but the data I was trying to write ...

56. HttpUrlConnection class problem    coderanch.com

58. Problems with HttpURLConnection    coderanch.com

public ActionForward doPerform(ActionMapping actionMapping, ActionForm actionForm,HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) { try { BufferedReader reader = new BufferedReader(new InputStreamReader (httpServletRequest.getInputStream())); String line; StringBuffer requestStr = new StringBuffer(); // read posted data while ( (line = reader.readLine()) != null) requestStr.append(line); System.out.println("Request String: "+ requestStr); return actionMapping.findForward("success"); } catch (Exception e) { System.out.println("In Action Perform exception"); return actionMapping.findForward("failure"); } }

59. HttpURLConnection POST problem    coderanch.com

60. Getting Connection Refused on HttpURLConnection    coderanch.com

All, I've got a situation where two sites on the same server, with the same configuration and code are behaving differently. I'm thinking it must have to do with network setup, but I'm not sure where to begin looking. We have a JSP page that is using a class we developed to open an HttpUrlConnection. The connection is to "itself". That ...

61. httpurlconnection usage    coderanch.com

just found this... // make the connection String urlstring = "http://www.yoursite.com:80/somedir/file.jsp"; String parameters = "key1=value1&key2=value2"; URL url = new URL(urlstring); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); // post the parameters conn.setDoOutput(true); OutputStreamWriter wr; wr = new OutputStreamWriter(conn.getOutputStream()); wr.write(parameters); wr.flush(); wr.close(); // now let's get the results conn.connect(); // throws IOException int responseCode = conn.getResponseCode(); // 200, 404, etc String responseMsg = conn.getResponseMessage(); // ...

62. forward to HttpUrlConnection    coderanch.com

I'm faced with constructing an HttpUrlConnection of method "POST" in code and using it to navigate, sending the user there as if they had submitted a form. current steps: 1) User clicks a link on my web app 2)my webapp whips up a SAML document based on a number of parameters 3)my webapp adds the SAML document to the body of ...

63. HttpURLConnection getOutputStream() taking time    coderanch.com

Hi, I am facing some problem with HttpURLConnection.getOutputStream()method. my application running on HP_UX(Hp unix) and Sun_os (Sun solaris). This method is responding properly to all the modules except one say ListOfVehicle. HttpURLConnection.getOutputStream() method is execuing on Application login and logout. When i access ListOfVehicle module after that HttpURLConnection.getOutputStream() method is not behaving properly taking three to four minutes to respond. but ...

64. HttpURLConnection got stack when trying to invoke    coderanch.com

There is nothing in the servlet spec for dictating which apps get loaded first. I don't know if any containers provide their own way to do this. I use Tomcat and I know it doesn't. Unless you know that the container that you're using has a way to control the order of app deployment, you should avoid having one app depend ...

65. HttpURLConnection from a filter    coderanch.com

I want to write a Servlet filter that forwards a 'copy' of incoming requests to another Servlet based app. This would allow the stream of requests coming in to a production server to also be sent to an application under test on another server. I was planning to do this with HttpURLConnection in a filter. The filter would modify the incoming ...

66. HttpURLConnection    coderanch.com

Hi Ulf, Solution given by you is not working. See the stack trace below : java.net.ConnectException: Connection timed out: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.Socket.connect(Socket.java:507) at java.net.Socket.connect(Socket.java:457) at sun.net.NetworkClient.doConnect(NetworkClient.java:157) at sun.net.www.http.HttpClient.openServer(HttpClient.java:365) at sun.net.www.http.HttpClient.openServer(HttpClient.java:477) at sun.net.www.http.HttpClient.(HttpClient.java:214) at sun.net.www.http.HttpClient.New(HttpClient.java:287) at sun.net.www.http.HttpClient.New(HttpClient.java:299) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:792) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:744) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:669) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:913) at java.net.URLConnection.getContent(URLConnection.java:682) at java.net.URL.getContent(URL.java:1021) at Tp.main(Tp.java:20)

67. Problem with HttpURLConnection    coderanch.com

68. HttpURLConnection - Luanch Browser    coderanch.com

That 401 means the server doesn't want to show you that page. Opening a new browser isn't likely to help. Are you able to navigate to the target page using a browser, maybe starting from a menu or logging in or something? The server may be looking for cookies or referrer in the header.

69. HttpURLConnection    coderanch.com

I am working on a program that sends a request to a url using standalone java. The code below works, but I don't want a bufferedReader object back, all i want to do is make the connection to the url and add "name=ryan&age=28" or whatever i may need to tail end of the URL. I know i could add the name ...

71. java.net.HttpURLConnection retrieving a fair amount of data    coderanch.com

Hello All I have a servlet that needs to generate graphs of weather data I'm using a HttpURLConnection to fetch what I need to generate the graph I want to get the high temps for a particular zipcode for a whole year which means I get a file about 30K in size (it has other weather data included) I do a ...

72. HttpURLConnection - caching - headers    coderanch.com

73. Problem with java.net.HttpUrlConnection    coderanch.com

Hi I have written a java program which tests the internet connectivity. Case 1: ---------- 1) Connect the network 2) Run the program 3) Disconnect the network 4) Connect the network. In this case program is working fine.. and giving the below output. 0 InternetConnectivity is: UP 1 InternetConnectivity is: UP 2 InternetConnectivity is: UP 3 IOException occured InternetConnectivity is: DOWN ...

74. Problem with HttpURLConnection    coderanch.com

No, problem is not here, I had doGet in firstServlet, but it didnt work, so I even replace it and Override service method. Here is the code: @Override public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { doGet((HttpServletRequest)req,(HttpServletResponse)res); } @Override public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { ServletContext context = this.getServletContext(); String filePath = context.getRealPath("WEB-INF/oceny/pppppppp.txt"); PrintWriter wr = ...

75. HttpUrlConnection is not working    coderanch.com

When I copy and paste http://www.google.com/search?q=test in address bar, it works perfectly. But when I using HttpUrlConnection to connect it, it doesn't work. Here is my code. import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.ProtocolException; import java.net.URL; import java.net.URLEncoder; public class SimpleHTTPRequest { /** * @param args */ public static void main(String[] args) { HttpURLConnection ...

76. HttpUrlConnection is not working    coderanch.com

When I copy and paste http://www.google.com/search?q=test in address bar, it works perfectly. But when I using HttpUrlConnection to connect it, it doesn't work. Here is my code. import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.ProtocolException; import java.net.URL; import java.net.URLEncoder; public class SimpleHTTPRequest { /** * @param args */ public static void main(String[] args) { HttpURLConnection ...

77. HttpURLConnection and Redirects    coderanch.com

OK - first I don't think that I should be setting connection parameters after it's been opened! Even so, the follow redirects seems to default to true, so why doesn't it work? I know that the rediect doesn't require further intervention because I can use the Firefox poster utility to quite happily hit the URL.

79. HttpURLConnection and Javascript    coderanch.com

80. Bogus 404 for a HttpURLConnection    coderanch.com

For some reason when I try and hit even a simple webapp running on my local machine using HttpURLConnection, I keep getting a 404 reponse code. What's throwing me for a loop is that I can hit other URL's such as google and I was able to hit a local grails app that's running on Jetty. But, if I try to ...

82. HttpURLConnection null pointer exception    coderanch.com

this code generally works (accesses thousands of urls successfully), but once in a while i get a null pointer exception on particular HttpURLConnections, and its always the same urls for conciseness ive trunkated the code to only up to where the exception was thrown. why could this possibly be happening? //takes an array of urls as strings, makes the requests and ...

83. HttpURLConnection question    forums.oracle.com

Hi! I was just wondering if anybody could point me to the right direction or provide me with sample code on how to use HttpURLConnection properly. My problem is like this: I need to access a website that firstly has a login page, then once logged-in - I have to select certain buttons to create my queries (this is done with ...

85. HttpURLConnection vs Socket connection    forums.oracle.com

Hi. what are the main differences between the two types of network connections i can do in java? i would like to know some pros and cons between the two but cant seem to find any articles based on it and was wondering if any one with experience with network program can help me. thanks in advance

86. Java plugin, HttpURLConnection & crossdomain    forums.oracle.com

Hello, I am curious about Java's HttpURLConnection function and it's ability to retrieve data from other domains. Currently the Flash player & Javascript are tied to a crossdomain sandbox. I wanted to retrieve data such as feeds where the host does not have a crossdomain policy file setup. Is this possible, and are there any limitations? I was googling and heard ...

87. Using HttpURLConnection to sign in to Youtube    forums.oracle.com

88. chunkLength field on HttpURLConnection    forums.oracle.com

Oh Sorry. I lost my connectivity while posting the request and submitted it once connectivity is back. I might have already been submitted. My question is how to disable chunked transfer on HttpURLConnection? As my code worksin JRE 1.4 but not working on 1.6/1.5. I know, chunked transfer got introduced in JRE 1.5. SO I want to switch it off when ...

89. HttpURLConnection headerFieldKey is not set correctly    forums.oracle.com

So it seems that the problem happens even before instantiate the InputStreamReader object, because the content length is 0 .. so there is nothing to read? But that can't be true because if I copy and paste the URL in a browser, the content is there. The second interesting value I saw is X-Pad .. and I googled this and found ...

90. HttpURLConnection and redirect    forums.oracle.com

That depends on how your site works. Does it use cookies? Does it maintain some kind of JavaScript identity token? HTTP is stateless. You will need to learn how the HTTP protocol works, and then code as appropriate. I highly recommend a library like the Apache HTTP Client for this kind of stuff, as it is much easier than concatenating HTTP ...

91. How do you *unset* Content-Type when using HttpURLConnection ?    forums.oracle.com

URL url = new URL("http://mymachine-uk.uk.company.com:24331/test.html"); HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setIfModifiedSince(longdate); // I've set up longdate previously // set some headers con.setRequestProperty("Cache-Control","max-age=0"); con.setRequestProperty("User-Agent","Mozilla/5.0"); con.setRequestProperty("Keep-Alive","300"); // I've tried hacking it like this : // con.setRequestProperty("Content-type",null); // but that just shows an empty Content-type, rather than get rid of it. // In a proxy window on port 24331, the three headers set explicitly ...

92. HTTPURLConnection pasing an array parameter    forums.oracle.com

93. HttpURLConnection problem    forums.oracle.com

But the problem is the URL doesnt send anything back it is a REST server. So this: "http://localhost:3129/Student/333/course/22" registers a student on a course. it sends nothing back. So if i call: "Object content = connection.getContent()" i just get an error. I really hope there is a way of doing this cause i can't change the way the REST service works. ...

95. Writing to a HttpURLConnection progress lies, just buffers to memory    forums.oracle.com

I'm trying to write data to a HttpURLConnection in one thread and track the progress of the upload in another, problem is if I just used writeBytes() it'd just appear to upload the data instantly then hang at 100% for a while. It turned out writeBytes just writes all the data to a buffer such that if you query how many ...

96. How do I read Polish characters from HttpURLConnection?    forums.oracle.com

Any help or suggestions would be greatly appreciated. Please let me know if you need any more information (chris.mack@centimark.com) Also, I have tried using the java.nio.charset.CharsetDecoder to decode the bytes read in. I read the stream in as bytes and placed the bytes into a ByteBuffer and then docoded the ByteBuffer's contents with the CharsetDecoder, which didn't work either. How do ...

97. HttpURLConnection with empty body    forums.oracle.com

It's nothing illegal. I do have web-services available to fetch that information, but i cannot pay to develop them, so i have to find a way to retrieve that information and end up the manual process that currently exists (currently the users go manually to the web-site and retirve that information). If i can do it automatically, the users can do ...

98. HttpURLConnection + JSESSIONID + App Server cluster    forums.oracle.com

Hi everybody, I am having an issue right now trying to retrieve the InputStream of a JSP response. The current application contains a JSP and a servlet. The servlet is creating a HttpURLConnection object and is also retrieving the session ID by calling request.getSession(false).getId(). Using the HttpURLConnection i submit a POST request to the JSP passing along the JSESSIONID cookie with ...

99. HTTPUrlConnection    forums.oracle.com

100. problem with HttpURLConnection    forums.oracle.com

I have a Servlet that's creating a HttpURLConnection and doing a GET request to another servlet on the same server and context. The problem I am getting is that the caller hangs for 3 minutes and returns this exception: java.net.ConnectException: Tried all: '1' addresses, but could not connectover HTTP to server 'serverName' on port 'portNumber'. For testing purposes I changed the ...

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