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André,

On 10/3/13 4:03 PM, André Warnier wrote:
> I think that the basic misunderstanding here is simply this : The
> executable program that is being launched by the above
> command-line is not Tomcat. It is "/usr/lib/jvm/jre/bin/java".
> 
> All the rest of the command-line options and parameters are options
> and parameters for "/usr/lib/jvm/jre/bin/java", and are parsed by 
> "/usr/lib/jvm/jre/bin/java". Including the -Dfoo="bar".

Yes and no. That foolishness with quoting, etc. only happens with old
DOS programs. On UNIX (since forever, I think), the shell parses the
command-line and tokenizes everything. The argv vector contains
exactly what the parent process provided... nothing more, nothing
less. Those quotes appear in the argument vector therefore they are
part of the parameter.

The parameter -Dfoo=bar (or -Dfoo="bar") itself is in fact parsed by
the JVM process, but trivially: if it looks like -Dsomething, then set
the system property "something" to whatever the value is after the =
sign. You don't even need an equals sign, and it will work (I'm
actually not sure what value you get ... maybe empty string?).

If the quotes are there in the argv vector, they will be there in the
system property's value.

- -chris
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