HP Pay per use (PPU) das_SERVER, If this error message appears:, NOTE: If this error message appears:, Figure 2-1Utility Meter GUI Main Window

Figure 2-1 Utility Meter GUI Main WindowNOTE: If this error message appears:

"Exception in thread "main" java.awt.HeadlessException:

No X11 DISPLAY variable was set, but this program performed an operation which requires it. ..."

you did not set the DISPLAY environment variable.If this error message appears:# %%Data Acqusition Server not launchedData Acqusition Server not launched, Please check the Server!

the das_SERVER process is not running. To fix this, stop and restart the Utility Meter processes with the following commands:

32 Installing and Configuring the Utility Meter Software