How to resolve an issue “Network is unreachable” in Java applications

Posted by  on Tuesday, January 12th 2010   

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12
Jan

I have another network connection issue in Eclipse. My first issue was related to DNS library lib32nss-dns and it was described in this post.
The recent network issue causes an error:

Network is unreachable

during Update Software or any Subclipse operations.

The solution was in setting the parameter:

net.ipv6.bindv6only = 0

in the file /etc/sysctl.d/bindv6only.conf.

# sudo nano -w /etc/sysctl.d/bindv6only.conf

and reboot your system to apply changes.

PS: thanks Benjamin Eikel for solution.

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Filed under: Linux     Tags: , , , , ,
5 Comments   

5 Comments Already

commenter
pslacerda Said,
February 12th, 2010 @2:23 am  

This worked to me.

Thanks!!

commenter
unmacaque Said,
February 13th, 2010 @11:37 pm  

A big thanks, that did fix the issue!

commenter
Kindred Said,
February 14th, 2010 @2:02 am  

Hey, thanks for the info. But you don’t need to reboot, you can just use the sysctl console application to instantly change the setting.

~# sysctl -w net.ipv6.bindv6only=0

commenter
Jose R R Said,
April 11th, 2010 @4:38 pm  

I appreciate your posting the solution. In the past, I even perused IBM forums for an appropriate fix -to no avail. It even fixes the Mozilla/Firefox Java plugin issue that outputs error: “Network is unreachable” among others.

Once again, Tlazohcamati! (Thank you!)

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