[ grinder-Bugs-2988256 ] NoClassDefFoundError when starting worker thread

Bugs item #2988256, was opened at 2010-04-16 16:00
Message generated for change (Comment added) made by zverik
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Category: Core engine
Group: None
>Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ilya Zverev (zverik)
Assigned to: Philip Aston (philipa)
Summary: NoClassDefFoundError when starting worker thread

Initial Comment:
Windows XP, start console and agent from command prompt. Then click 'distribute and run' in console, see agent throwing exception and stopping.

16.04.10 15:39:32 (agent): received a start message
16.04.10 15:39:32 (agent): Worker process command line: java '-javaagent:D:\Progr\grinder-3.4\lib\grinder-agent.jar' -classpath 'grinder.jar' net.grinder.engine.process.WorkerProcessEntryPoint
java.lang.NoClassDefFoundError: net/grinder/engine/process/WorkerProcessEntryPoint
Exception in thread "main" net.grinder.engine.common.EngineException: Failed to send initialisation message
	at net.grinder.engine.agent.AbstractWorkerFactory.create(AbstractWorkerFactory.java:95)
	at net.grinder.engine.agent.WorkerLauncher.startSomeWorkers(WorkerLauncher.java:99)
	at net.grinder.engine.agent.WorkerLauncher.startAllWorkers(WorkerLauncher.java:87)
	at net.grinder.engine.agent.AgentImplementation.run(AgentImplementation.java:322)
	at net.grinder.Grinder.run(Grinder.java:134)
	at net.grinder.Grinder.main(Grinder.java:75)
Caused by: net.grinder.communication.CommunicationException: Exception whilst sending message
	at net.grinder.communication.AbstractSender.send(AbstractSender.java:58)
	at net.grinder.engine.agent.AbstractWorkerFactory.create(AbstractWorkerFactory.java:91)
	... 5 more
Caused by: java.io.IOException: The pipe has been ended
	at java.io.FileOutputStream.writeBytes(Native Method)
	at java.io.FileOutputStream.write(Unknown Source)
	at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
	at java.io.BufferedOutputStream.flush(Unknown Source)
	at java.io.BufferedOutputStream.flush(Unknown Source)
	at java.io.ObjectOutputStream$BlockDataOutputStream.flush(Unknown Source)
	at java.io.ObjectOutputStream.flush(Unknown Source)
	at net.grinder.communication.AbstractSender.writeMessageToStream(AbstractSender.java:91)

The reason: incorrect quotation marks in the command line. It should look like this:
java "-javaagent:D:\Progr\grinder-3.4\lib\grinder-agent.jar" -classpath "grinder.jar" net.grinder.engine.process.WorkerProcessEntryPoint

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>Comment By: Ilya Zverev (zverik)
Date: 2010-04-16 16:29

Message:
You're right, absoulte path did work. Thanks!
Please add this to FAQ or somewhere accessible by google. I didn't find a
soultion when I was searching for it.

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Comment By: Philip Aston (philipa)
Date: 2010-04-16 16:18

Message:
I don't believe the reason you give is correct. The Grinder only adds the
single quotes to the string it displays in the terminal output. The actual
process arguments are passed unquoted, as an array of strings to the Java
ProcessBuilder API.

There's some sort of bug here, no doubt. Can you retry with your CLASSPATH
set to an absolute path (i.e. D:\Progr\grinder-3.4\lib\grinder.jar).

Thanks,

- Phil

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