Error Network Read Requested Retrieved Time Url
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thread was archived. Please ask a new question if you need help. Everyday I get "The requested URL could not be retrieved" - refresh works for a short time http error code 2 replies 14 have this problem 14555 views Last reply by MoniB 1 year how to fix 500 internal server error ago MoniB Posted 5/3/15, 4:56 PM The problem started when I got back from travel about 4 days ago. I was error code 503 gone for two weeks and used my tablet when on travel. Now whenever I try firefox on desktop PC, it runs very slowly and almost all websites will return the following error message: "The requested URL
Http 502
could not be retrieved" - I had to try half a day before I could finally get to the mozilla support page and refresh. That worked for a short time - but the next day, the same problem - so I refreshed again - worked for a short time, and then the same problem. Today - it didn't work at all - It took a half a day to get mozilla support http error 500 to work again - but no other websites are currently accessible. My desktop uses Window 7 The problem started when I got back from travel about 4 days ago. I was gone for two weeks and used my tablet when on travel. Now whenever I try firefox on desktop PC, it runs very slowly and almost all websites will return the following error message: "The requested URL could not be retrieved" - I had to try half a day before I could finally get to the mozilla support page and refresh. That worked for a short time - but the next day, the same problem - so I refreshed again - worked for a short time, and then the same problem. Today - it didn't work at all - It took a half a day to get mozilla support to work again - but no other websites are currently accessible. My desktop uses Window 7 Chosen solution You can check the connection settings. Tools > Options > Advanced > Network : Connection > Settings https://support.mozilla.org/kb/Options+window+-+Advanced+panel If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly. See "Firefox connection settings": https://support.mozilla.org/kb/
This page does no calculations. Connection Errors & Web Server Response Codes And Messages Server Error Information There are two classifications of server errors, they are: http 404 Connection Errors - These errors are created as a result of a connection
400 Bad Request
failing to be established to a Web server. They do not have a response code but will contain a
Http 403
brief description of why a connection could not be established. The reason that they do no have a response code is that Web servers can only return a response code after a https://support.mozilla.org/questions/1060427 connection is established, and since a connection could not be established to the Web server, a response code could not be obtained. Web Server Response Codes And Messages - If a connection was established to a Web server, the Web server usually sends a response code and message. If the response code is less than 400, the Web page is considered not on error. http://www.csgnetwork.com/servererrors.html If the response code is equal to or greater than 400, the Web page is considered on error. The following listing includes a detailed definitions of all the errors that a web or intranet server generally returns and an explanation of each. Connection Errors Invalid URL Invalid URL simply means that the format of the URL was invalid. The format should be in one of the following forms: http://www.anyurl.com http://www.anyurl.com/ http://www.anyurl.com/page.jsp http://www.anyurl.com/page.asp http://www.anyurl.com/page.html http://www.anyurl.com/page.shtml http://www.anyurl.com/page.jsp?QueryString Host Not Found Host Not Found occurs when the web server's host computer could not be found using it's host/domain name (the Fully Qualified Domain Name). This usually indicates a problem with your DNS system or connectivity to your DNS system or general Internet connectivity problems. Time Out A Time Out occurs when a the web server's host computer was found using it's host/domain name, but a connection could not be established within a predetermined set time. The default time out is set to 90 seconds. This usually indicates a problem with your routers or firewall, or a web server hardware failure, or general Internet connectivity problems. Connection Refused A Connection Refused error occurs whe
URL Reading Directly from a URL Connecting to a URL Reading from and Writing to a URLConnection Trail: Custom Networking Lesson: Working with URLs Home https://docs.oracle.com/javase/tutorial/networking/urls/readingWriting.html Page > Custom Networking > Working with URLs «Previous•Trail•Next» Reading from and Writing to a URLConnection The URLConnection class contains many methods that let you communicate with the URL over the https://developer.android.com/training/basics/network-ops/connecting.html network. URLConnection is an HTTP-centric class; that is, many of its methods are useful only when you are working with HTTP URLs. However, most URL protocols allow you to read from http error and write to the connection. This section describes both functions. Reading from a URLConnection The following program performs the same function as the URLReader program shown in Reading Directly from a URL. However, rather than getting an input stream directly from the URL, this program explicitly retrieves a URLConnection object and gets an input stream from the connection. The connection is opened implicitly error network read by calling getInputStream. Then, like URLReader, this program creates a BufferedReader on the input stream and reads from it. The bold statements highlight the differences between this example and the previous: import java.net.*; import java.io.*; public class URLConnectionReader { public static void main(String[] args) throws Exception { URL oracle = new URL("http://www.oracle.com/"); URLConnection yc = oracle.openConnection(); BufferedReader in = new BufferedReader(new InputStreamReader( yc.getInputStream())); String inputLine; while ((inputLine = in.readLine()) != null) System.out.println(inputLine); in.close(); } } The output from this program is identical to the output from the program that opens a stream directly from the URL. You can use either way to read from a URL. However, reading from a URLConnection instead of reading directly from a URL might be more useful. This is because you can use the URLConnection object for other tasks (like writing to the URL) at the same time. Again, if the program hangs or you see an error message, you may have to set the proxy host so that the program can find the Oracle server. Writing to a URLConnection Many HTML pages contain forms — text fields and ot
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