Display complete command line (including arguments) for Windows process
Solution 1:
Wmic.exe will show you what you are looking for:
wmic path win32_process get name,commandline > commandline.txt
Java looks like:
"C:\Program Files\Java\jre6\bin\jqs.exe" -service -config "C:\Program Files\Java\jre6\lib\deploy\jqs\jqs.conf"
For all available attributes, try:
wmic path win32_process get /format:list
Solution 2:
You can use Microsoft's official Process Explorer. It can do exactly this and has many many more useful features.