[Remoterengine-devel] Launcher class checked in

[Romain Francois]

On 09/28/2009 08:08 PM, Ian Long wrote:
>
> Hi,
>
> I have started work on and checked in a class that will launch the
> REngineServer. The Launcher requires JAVA_HOME and R_HOME environment
> variables to be set and uses these to build up the remainder of the
> information required to launch the REngineServer - normally this is
> performed by the "remoterengine" script within the exec directory.
>
> The goals of this script are to:
>
>     1. enable additional System properties to be set in the JVM running
>        the server
>     2. simplify the start up process
>     3. make it easier to run the server in a debugger
>     4. make it easier to run test harnesses around the server
>
> The script is mostly self-contained, the more interesting of the command
> line options that it takes are:
> -h Prints out a help message
> -v Verbose mode
> -t Test mode - doesn't try to run the server, builds the environment
> list and writes it out to StdOut - also writes out a local file called
> "launchcommand.txt" containing the command the Launcher would try to
> execute in order to start the server.
>
> For example:
>   >java -cp RemoteREngine-server.jar
> org.rosuda.REngine.remote.common.Launcher -h
> org.rosuda.REngine.remote.common.Launcher command line options:
> Launcher -v -h -b path -c class -XMemoryDefinition<System Properties>
>          -h: Print this menu
>          -v: Verbose mode; default false
>          -X: Java process memory defintion; default mx1024M
>          -b: Path to root of class files (instead of
> RemoteREngine-server.jar file
>          -c: Class to be launched; default
> org.rosuda.REngine.remote.server.REngineServer
>          -D<propertyname>=<propertyvalue>: Set System property
>          -t: Test mode - write out the launch command but do not execute it
>
> The Launcher works on Windows but currently is having issues on Linux.
> The command written out to launchcommand.txt works, however the
> interactive launch of the server does not - R generates a fatal error:
> "Fatal error: you must specify '--save', '--no-save' or '--vanilla'"
>
> Cheers,
> Ian.

Thanks for this. I'll test on linux tomorrow. --save, --no-save or 
--vanilla are typically one of the String you give to one of the 
constructor of JRIEngine.

Romain

-- 
Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30
http://romainfrancois.blog.free.fr
|- http://tr.im/ztCu : RGG #158:161: examples of package IDPmisc
|- http://tr.im/yw8E : New R package : sos
`- http://tr.im/y8y0 : search the graph gallery from R