Why does my jdev hang for some time

Hi,
I want to know the reason why my jdev 10.1.3.4.0 hang for some time in some scenario's?
like:
whenever i start standalone oc4j server, after using the application in server' url, if i go to jdev it will hang for a min or so.
normal usage also it will hang for some thrice a day or so??
can any one tell..
Thanks,

Hello John,
Thank you for providing all the information about what is going on with the SuperDrive issue you are experiencing.
I recommend resetting the System Management Controller (SMC) on your iMac:
Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
You can find the full article here:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
If you are still having trouble with playing audio, I recommend the following article:
Apple Computers: Troubleshooting the slot-loading SuperDrive
http://support.apple.com/kb/HT2801
Thank you for posting in the Apple Support Communities.
Best,
Sheila M.

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