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From: Oliver Lehmann <lehmann@ans-netz.de>
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Subject: Re: migration diablo-jre openjdk-jre
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Ok.... nailed it down a bit further.

The following testcode:

http://pastebin.com/xcdvmfTB

# /usr/local/bootstrap-openjdk/bin/javac test.java
# /usr/local/bootstrap-openjdk/bin/jar -cfv test.jar Main.class
Manifest wurde hinzugef=C3=BCgt.
Hinzuf=C3=BCgen von: Main.class (ein =3D 2433) (aus =3D 1262) (komprimiert =
48 %)

# /usr/local/bootstrap-openjdk/bin/java -classpath .:test.jar Main
name:re0 (re0)
Sending message from multicast socket on network interface: name:null
Multicast socket is on interface: /0.0.0.0
Socket Timeout: 0
Socket TTL: 1

#  /usr/local/diablo-jre1.6.0/bin/java -classpath .:test.jar Main
name:re0 (re0) index: 1 addresses:
/10.0.0.23;

Sending message from multicast socket on network interface: name:null  
index: -1 addresses:
/10.0.0.1;

Multicast socket is on interface: /10.0.0.1
Socket Timeout: 0
Socket TTL: 32
#


It looks like

NetworkInterface.getByInetAddress(InetAddress.getByName(hostname));

works differently between openjdk and diablojdk.
Even when I execute it on the host (outside the jail) it is wrong too - so
this does not seem to be a jail problem?!