Error In Http Connection Java.net.unknownhostexception
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Android java.net.UnknownHostException: Host is unresolved up vote 45 down vote favorite 7 This code doesn't work: URL url = new URL( xmlPath ); InputSource input = new InputSource( url.openStream() ); all the time, resulting in an UnknownHostException, even when the host exists, has been hit successfully using the same code if from a different development host (machine), and also from a browser. I'm probably out of line asking this question again, a repeat of http://stackoverflow.com/questions/3293659/android-java-net-unknownhostexception-host-is-unresolved-strategy-question. The forum software would not allow me to comment on the unsatisfactory answer to that question (in order to solicit more attention to the solution I ultimately found). Perhaps I'm not popular enough yet to be given that privilege. In the meantime, I'm essentially re-posting the question and a different answer. Basically, I accept that maybe the Android device has a hard time with DNS under certain circumstances, but I've tried, for example the anddev.org example of how to use the SAX parser, and it worked on one machine I have and not on another. Edit: As noted, I know a working answer and will post it. I am a) asking a question (that's already been asked and unsuccessfully answered) and b) answering it for the benefit of those for whom my answer will be useful. android share|improve this question edited Aug 18 '10 at 17:03 asked Aug 18 '10 at 16:36 Russ Bateman 9,742123548 No clue whether you are asking a question? Making a comment? Or plan to answer your own question... please clarify or the voting to close will commence. –Nix Aug 18 '10 at 16:38 So, yeah, I tried the so
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Java http://stackoverflow.com/questions/3514398/android-java-net-unknownhostexception-host-is-unresolved HttpURLConnection java.net.UnknownHostException up vote 0 down vote favorite URL url = new URL(urlStr); HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(); The second line throws java.net.UnknownHostException. I was in a internal network in my company, and I hope I can help another one who's also in the same internal network with me to visit the website, and I just want to read content from the URL and http://stackoverflow.com/questions/25992586/java-httpurlconnection-java-net-unknownhostexception give the content to the client side, is there any one help me on this? java httpurlconnection share|improve this question edited Sep 23 '14 at 10:19 Yuliam Chandra 10.1k102444 asked Sep 23 '14 at 10:18 Wu Yang Michael 494 2 Can you show us the value of urlStr ?? –sᴜʀᴇsʜ ᴀᴛᴛᴀ Sep 23 '14 at 10:19 You can find more details from here stackoverflow.com/questions/6484275/… –sam_eera Sep 23 '14 at 10:24 This is a DNS problem, not a programming problem. If your local DNS doesn't recognize the hostname you're using, this is what happens. –EJP Sep 23 '14 at 10:24 1 you can use nslookup to validate your url. –Abhiroop Sarkar Sep 23 '14 at 10:26 Hi, "String urlStr = request.getParameter("url");" this just comes from the form submition which is the url I want to visit. –Wu Yang Michael Sep 24 '14 at 2:03 | show 2 more comments 1 Answer 1 active oldest votes up vote 0 down vote Companys normally have a proxy server to the outside world. Try to configure the proxy data in a Proxy class and open the
intellij (4) java (429) jdbc (26) swing (74) jsp (9) latex (26) linux/unix (289) mac os x (315) mysql (54) ooa/ood (11) perl (156) php (97) postgresql (17) programming (43) ruby (56) scala (640) sencha (23) servlets (10) technology (84) testing (13) uml (24) zen (47) Android http://alvinalexander.com/android/android-internet-access-error-unknownhostexception-unable-to-resolve-host internet access error - java.net.UnknownHostException: Unable to resolve host By Alvin Alexander. Last updated: June 3 2016 Android FAQ: “Help, I'm getting an internet access error with my Android application that says, "java.net.UnknownHostException: Unable to resolve host (hostname): No address associated with hostname". I think my HTTP/REST code error in is correct, what's wrong?” If you get an error message like this: 03-25 14:26:02.750: W/System.err(13661): java.net.UnknownHostException: Unable to resolve host "www.google.com": No address associated with hostname while trying to access an internet resource, you may just need to correct permission in your Android manifest file (AndroidManifest.xml). If error in http you haven't already done so, add this line to your AndroidManifest.xml file, just after the