[Bug 3635] New: Feature Request: Option for JRE invocation to relaunch using the same JRE on Windows

[bugzilla-daemon at icedtea.classpath.org]

https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3635

            Bug ID: 3635
           Summary: Feature Request: Option for JRE invocation to relaunch
                    using the same JRE on Windows
           Product: IcedTea-Web
           Version: 1.7
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: NetX (javaws)
          Assignee: jvanek at redhat.com
          Reporter: martin.hickson at gmail.com
                CC: unassigned at icedtea.classpath.org

Version: 1.7.1

It appears that if the heap size specified in the JNLP file is greater than the
current heap size then a new JRE process will be launched with the new heap
size.

When this is done, it appears that it will use the executable found on the PATH
to relaunch the JRE.  Would it be possible to increase the configurability of
this so that it could optionally use the absolute path of the command that was
used to launch the first JRE to launch the second one?

This could be done by passing a system property through in the javaws.bat file
on the line that starts with %JAVA%, for example:

"%JAVA%" "-Djre.absolute.path=%JAVA%" -splash:%SPLASH_LOCATION%"
"%LAUNCHER_BOOTCLASSPATH%" %LAUNCHER_FLAGS% %JAVAWS_J_OPTIONS% "-classpath"
"%CP%" "-Dicedtea-web.bin.name=%PROGRAM_NAME%"
"-Dicedtea-web.bin.location=%BINARY_LOCATION%" "%CLASSNAME%" %ITW_WIN_SPECIALS%
%*

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