Spec for method Sequencer.isRunning/isRecording() reads:
"Indicates whether the Sequencer is currently recording. The default is false.
The Sequencer begins recording when startRecording() is called, and then 
returns true until stop() or stopRecording() is called."

But RI (jdk1.5-b22) does not return true after invocation of 
Sequencer.startRecording(). May be it makes a sense to describe
that startRecoding() is asynchronous method and 
Sequencer.isRunning/isRecording() might return true after some 
latency. 

This bug causes intermittent failure of JCK test:
  api/javax_sound/midi/Sequencer/index.html#Record

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N/A

 xxxxx@xxxxx  2003-10-14:
Recording never worked in Java Sound. In previous releases, startRecording would cause isRecording to return true, although recording really didn't take place. So the new sequencer is just consequent by returning false in isRecording. 

So this is not a spec bug, but missing implementation of the recording feature. Should be fixed for tiger.
 xxxxx@xxxxx  2003-10-14