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Editorial Team
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Asked: 2026-06-17T09:19:26+00:00

I am using Python to simplify some commands in Maven . I have this

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I am using Python to simplify some commands in Maven. I have this script which calls mvn test in debug mode.

from subprocess import call
commands = []
commands.append("mvn")
commands.append("test")
commands.append("-Dmaven.surefire.debug=\"-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE\"")
call(commands)

The problem is with line -Dmaven.surefire.debug which accepts parameter which has to be in quotas and I don’t know how to do that correctly. It looks fine when I print this list but when I run the script I get Error translating CommandLine and the debugging line is never executed.

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1 Answer

  1. Editorial Team

    The quotas are only required for the shell executing the command.

    If you do the said call directly from the shell, you probably do

    mvn test -Dmaven.surefire.debug="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE"

    With these " signs you (simply spoken) tell the shell to ignore the spaces within.

    The program is called with the arguments

    mvn
test
-Dmaven.surefire.debug=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE

    so

    from subprocess import call
commands = []
commands.append("mvn")
commands.append("test")
commands.append("-Dmaven.surefire.debug=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE")
call(commands)

    should be the way to go.

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