Groups > comp.lang.java.programmer > #39637

InetAddress.isReachable() ?

Path	csiph.com!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From	Knute Johnson <knute2020@585ranch.com>
Newsgroups	comp.lang.java.programmer
Subject	InetAddress.isReachable() ?
Date	Fri, 23 Oct 2020 11:50:54 -0500
Organization	A noiseless patient Spider
Lines	9
Message-ID	<rmv1lf$pmq$1@dont-email.me> (permalink)
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Injection-Date	Fri, 23 Oct 2020 16:50:55 -0000 (UTC)
Injection-Info	reader02.eternal-september.org; posting-host="1c8cf49b93d3fa1c562abe7edcfa7dd9"; logging-data="26330"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19zjjpyReCmL+bzZ9QPPbTs"
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Cancel-Lock	sha1:HdUtT4nPkhbH1fqnn7QBR6U3nCE=
Content-Language	en-US
X-Mozilla-News-Host	news://eternal-september.org:119
Xref	csiph.com comp.lang.java.programmer:39637

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InetAddress.isReachable() only works if I run Java as root.  Any idea 
how to make it work with a regular user?  The docs say "A typical 
implementation will use ICMP ECHO REQUESTs if the privilege can be 
obtained".  I'm assuming that's why it won't work as a regular user.

Xubuntu 20.04
OpenJDK 15 - BellSoft

Thanks!

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InetAddress.isReachable() ? Knute Johnson <knute2020@585ranch.com> - 2020-10-23 11:50 -0500
  Re: InetAddress.isReachable() ? Arne Vajhøj <arne@vajhoej.dk> - 2020-10-23 13:14 -0400
    Re: InetAddress.isReachable() ? Knute Johnson <knute2020@585ranch.com> - 2020-10-23 18:10 -0500
      Re: InetAddress.isReachable() ? Arne Vajhøj <arne@vajhoej.dk> - 2020-10-23 20:30 -0400
        Re: InetAddress.isReachable() ? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2020-10-23 19:38 -0500
          Re: InetAddress.isReachable() ? Martin Gregorie <martin@mydomain.invalid> - 2020-10-24 11:45 +0000
            Re: InetAddress.isReachable() ? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2020-10-29 15:23 -0500
              Re: InetAddress.isReachable() ? Martin Gregorie <martin@mydomain.invalid> - 2020-10-29 21:36 +0000
              Re: InetAddress.isReachable() ? Arne Vajhøj <arne@vajhoej.dk> - 2020-10-29 21:47 -0400
                Re: InetAddress.isReachable() ? Knute Johnson <knute2020@585ranch.com> - 2020-11-01 10:30 -0600

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