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Groups > comp.lang.java.programmer > #9178

Re: Ping from JAVA to IP Address

From Screamin Lord Byron <scre@min.dot>
Newsgroups comp.lang.java.programmer
Subject Re: Ping from JAVA to IP Address
Date 2011-10-25 22:13 +0200
Organization Metronet
Message-ID <wlhabwd73x60$.1qs46lbqszfoq.dlg@40tude.net> (permalink)
References (1 earlier) <9gloupFf3oU1@mid.individual.net> <j84mmv$6b7$1@dont-email.me> <0aec9e49-b7d2-4afd-9f8f-07a2d07392ca@k13g2000prg.googlegroups.com> <26b57282-aa91-4116-884c-92af6ae1f911@k38g2000pro.googlegroups.com> <j86jl3$tvd$1@dont-email.me>

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On Tue, 25 Oct 2011 08:12:30 -0700, markspace wrote:

> On 10/25/2011 1:56 AM, sahm wrote:
>> All I want to do is simple function that can check if there is
>> Internet connection or Not ?
> 
> 
> Doesn't work for me either, and I'm not sure why. 

Did you read my post? It doesn't work because apparently there is no
support for raw sockets in Java (and according to this bug resolution text,
there will never be). Furthermore, Google doesn't have TCP port 7 open, so
the alternative procedure (tcp connection on port 7) fails too.


Bug ID:	4727550
Votes: 184
Synopsis: Advanced & Raw Socket Support (ICMP, ICMPv6, ping, traceroute,
Category: java:classes_net
Reported Against: 1.3.1 , tiger
Release Fixed:	
State: 11-Closed, Will Not Fix, request for enhancement
Priority: 4-Low
Related Bugs: 4526141 , 4740586

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Thread

Ping from JAVA to IP Address sahm <sahm007@gmail.com> - 2011-10-24 11:01 -0700
  Re: Ping from JAVA to IP Address Robert Klemme <shortcutter@googlemail.com> - 2011-10-24 20:26 +0200
    Re: Ping from JAVA to IP Address markspace <-@.> - 2011-10-24 14:52 -0700
      Re: Ping from JAVA to IP Address sahm <sahm007@gmail.com> - 2011-10-24 22:31 -0700
        Re: Ping from JAVA to IP Address sahm <sahm007@gmail.com> - 2011-10-25 01:56 -0700
          Re: Ping from JAVA to IP Address Screamin Lord Byron <scre@min.dot> - 2011-10-25 11:57 +0200
          Re: Ping from JAVA to IP Address markspace <-@.> - 2011-10-25 08:12 -0700
            Re: Ping from JAVA to IP Address Screamin Lord Byron <scre@min.dot> - 2011-10-25 22:13 +0200
              Re: Ping from JAVA to IP Address markspace <-@.> - 2011-10-25 16:02 -0700
                Re: Ping from JAVA to IP Address Screamin Lord Byron <scre@min.dot> - 2011-10-26 13:16 +0200
              Re: Ping from JAVA to IP Address Arne Vajhøj <arne@vajhoej.dk> - 2011-11-06 15:29 -0500
                Re: Ping from JAVA to IP Address glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2011-12-07 08:59 +0000
  Re: Ping from JAVA to IP Address Roedy Green <see_website@mindprod.com.invalid> - 2011-10-25 21:28 -0700
  Re: Ping from JAVA to IP Address Arne Vajhøj <arne@vajhoej.dk> - 2011-11-06 15:36 -0500

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