Re: java -jar versus java -cp

• Subject: Re: java -jar versus java -cp
• From: Dmitry Markman <email@hidden>
• Date: Tue, 28 Dec 2004 13:39:03 -0500
• Delivered-to: email@hidden
• Delivered-to: email@hidden

thanks

On Dec 28, 2004, at 12:06 PM, Glen Ezkovich wrote:

Dmitry,

I'm just curious as to why the way you launched made a difference in the applications behavior. Did the command line class differ from the Main-Class in the jar's manifest? Was the problem intermittent or did it behave wrongly consistently? In the past I have discovered race conditions in my code that are not apparent on OS's other then OSX and vice-versa. Now, I'm wondering if the way they were launched might affect things as well. Though that thought is hard to get a handle on at the moment.

Glad its working for you anyway.

Thanks,

On Dec 28, 2004, at 7:24 AM, Dmitry Markman wrote:

thanks for the answer, Craig

CodeWarrior generates manifest file for me

actually I think I know what is the problem

it looks like that sound system calls like
            synthesizer = MidiSystem.getSynthesizer();
        instruments = synthesizer.getAvailableInstruments();
        midiChannels = synthesizer.getChannels();

should be called from the event thread
(java.awt.EventQueue.invokeLater or javax.swing.SwingUtilities.invokeLater)

thanks

before I called them from the  static initializer so it was a problem

On Dec 28, 2004, at 2:43 AM, Craig Mattocks wrote:

On Mon, 27 Dec 2004 13:49:43 -0500 that wildman Dmitry Markman <email@hidden> wrote:

BUT THE FOLLOWING COMMAND LINE

java -Xms64M -cp soundcapture.jar
org.concord.multimedia.sound.capture.test.JavaSoundWithDataProducer
launches application well
but it behaves wrong!!

Hi Dmitry,

How meticulous are you being in constructing the jar's META-INF/MANIFEST.MF file? Does it look something like this:

Manifest-Version: 1.0
Created-By: 1.4.2 (Sun Microsystems Inc.)
Implementation-Vendor: "Scientific Software Solutions, Inc."
Class-Path: . lib/jaxp.jar lib/crimson.jar lib/jdom.jar
Main-Class: biz.scisoft.drugcalc.DrugCalc

Name: biz/scisoft/drugcalc/DrugCalc.class
Name: biz/scisoft/drugcalc/drugs/anesthesia/Anesthesia.class
Name: biz/scisoft/drugcalc/images/metal.jpg

with blank lines after the "Main-Class:" entry and at the end of the file, and proper EOL characters throughout?

- Craig
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Glen Ezkovich
HardBop Consulting
glen at hard-bop.com
http://www.hard-bop.com

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