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This article applies to the following:
BlackBerry® Java Development Environment (JDE) 4.1
Java™ Debug Wire Protocol (JDWP)
When you run the JDWP tool from the BlackBerry JDE, you receive the following error:
Unable to Open Socket
The JDWP tool does not launch.
The JDWP tool uses port 8000 for communication. If another background process is using that port, the tool will not launch.
Confirm if port 8000 is already in use. Go to a command prompt and type netstat -a. When you run a netstat, all ports that are currently in use are listed.
C:\Program Files\Research In Motion\BlackBerry JDE 4.1.0\bin
## RIM Java Development Environment# Settings file
The suggested new port value is 8765; however, any port can be used. It is also best practice to add this parameter alphabetically