Best way to spawn java processes

I'm trying to execute several instances of a java class in seperate processes to be distributed on a cluster.
for now (until i get on the cluster on monday) i am assuming my classpath and all of the data files are on an NFS storage accessible from all nodes.
within my for loop, should i just:
               try {
                    Process p = Runtime.getRuntime().exec("java -classpath " + classpathDir + " " + classToRun + commandLineArgs);
               catch (Exception e) {
               }p.s what exceptions should i catch? how do i print an error log file?
the class that this code will call will then execute mpiBLAST... an mpi program that auto-distributes segments of a large database file and queries them. so each process (maybe 20-40) will then execute this mpiBLAST program... is this a good idea to have more than one mpi program running at the same time, maybe on the same data set?
I suppose this forum is not the right place for the last question, but I'd still appreciate any suggestions on the try code. thanks!
C

p.s what exceptions should i catch? Tis in the API:
java.lang.Runtime.exec(java.lang.String)
how do i print an error log file?
java.lang.Throwable.printStackTrace() / printStackTrace(java.io.PrintStream)

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Best way to update java w/ zen

Hi all: I have been working on a method of pushing out a
java update via zenworks. However I keep running into
issues. My method is very simple: either copy the exe down
to the server or call it off of a server, then start it with
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The switch is /qb, not /bn
>>> On 11/9/2009 at 9:43 AM, in message
<4AF7E42E.CE15.0032.0@N0_$pam.vrapc.com>,
Chris<cmosentine@N0_$pam.vrapc.com> wrote:
> Jason. Thanks for the reply. I did try this method as
> well
> but for some reason the msi would fail with a "could not
> find file..." error. And yes all the files (msi and
> cab)
> were in the same directory. I did find a workaround by
> passing the executable "/bn" which is a switch for the
> encapsulated msi file. That worked.
>
> Chris
>
>
>
>>>> On 11/9/2009 at 9:17 AM, in message
> <kwVJm.1394$[email protected]>,
> Jasonh<[email protected]> wrote:
>> I download the offline installer, then double click to
>> begin the
>> installation. When the "Welcome screen appears, DO NOT
>> click next. Go to
>> "C:\Documents and Settings\[username]\Application
>> Data\Sun\Java\jre1.6.0_XX\. Grab the msi and other
>> files, copy then to the
>> server and from there I make my mst. Then create your
>> distribution job in
>> zen and you should be close to being done.
>>
>> Jasonh
>>
>>
>> "Chris" <cmosentine@N0_$pam.vrapc.com> wrote in message
>> news:4AF7C8E7.CE15.0032.0@N0_$pam.vrapc.com...
>>> Hi all: I have been working on a method of pushing out
>> a
>>> java update via zenworks. However I keep running into
>>> issues. My method is very simple: either copy the exe
>> down
>>> to the server or call it off of a server, then start it
>> with
>>> the /s switch. However this method fails as several
>> java
>>> dependencies prevent the installer from completing. In
>> the
>>> past I have use snappshot but that limits you to a
>> specific
>>> version to version upgrade whereas using the exe/silent
>>> method does not.
>>>
>>> I am curious how others update java (jre) via zen?
>> Thanks,
>>> Chris.
>>>
>>>

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n3xtgen wrote:
Must I learn the entire Java programming language to start to develop mobile applications?Depends on what you mean by "entire Java programming language". You should probably have a solid understanding of the language and concepts before attempting mobile development.
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"Daniel Selman" <[email protected]> wrote:
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Sincerely,
Daniel Selman
"Ryan Richards" <[email protected]> wrote in message
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