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Editorial Team
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Asked: 2026-06-06T15:38:36+00:00

I’ve got a build.gradle task that works like a champ on my dev box

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I’ve got a build.gradle task that works like a champ on my dev box at producing a properties file that records the name of the machine that the build was generated on. The logic is simple enough…

def hostname = InetAddress.getLocalHost().getHostName();

On my dev box this always produces the same value as if I did hostname from the bash shell.

bobk-mbp:DM_Server bobk$ hostname
bobk-mbp.local

On our jenkins CI server, however, bash hostname returns one thing, but my call to InetAddress.getLocalHost().getHostName(); returns something else. What needs to change on the jenkins machine to get these two returning the same value?

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1 Answer

  1. Editorial Team

    Assuming you’re on linux, the hostname command executed from the o/s returns the kernel’s configured hostname.

    InetAddress.getHostName() is doing a reverse lookup on the server’s IP address using the naming service (DNS) configured in your O/S.

    If you need the hostname as understood by the o/s, getting it from an environment variable via System.getenv may be the simplest option. It isn’t a completely robust way to do this but it may be enough without needing to delve into network or system admin.

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