URLREAD command/ JAVA networking not working on Debian system
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Why does URLREAD command or any command using JAVA networking not work on the Debian 6.0 system. Executing these commands returns the following error:
??? Error using ==> urlread at 111
Error downloading URL. Your network connection may be down or your proxy
settings improperly configured.
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MathWorks Support Team
2026-10-28，0:00
编辑：MathWorks Support Team
about 2 hours 前
This is a known issue of Java networking on the recent Debian releases. This is due to ipv6 configuration and can be resolved by disabling ipv6.
Following is a work-around for this issue:
To disable ipv6 execute the following commands in the Linux terminal:
sudo gedit /etc/sysctl.d/bindv6only.conf
This will open the bindv6only.conf file in an editor. Now change
net.ipv6.bindv6only = 1
to
net.ipv6.bindv6only = 0
Save and close the file.
Now, run the following in the Linux terminal:
sudo invoke-rc.d procps restart
This should resolve this issue.
Detailed description of this procedure can be found in the following link:
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2011-8-10
2026-10-29，15:24
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