OS: Redhat 6.2 and Redhat 7
Browser: Netscape 4.75

To reproduce:

1. Install ladybird JRE b20 or b21.

2. bring up page http://sqesvr.eng.sun.com/deployment3/demos/plugin/ladybird/applets/SpreadSheet/example1.html

3. Click on Netscape 4.75 File->print to print.

Browser will crash and "Bus error" appears on terminal.

From plugin trace file:

Child: Worker pushRequest:showstatus:Applet initialized.
Child: Worker pushRequest:showstatus:Applet started.
Child: VM Received Command >>>JAVA_PLUGIN_PRINT
Child: PRINT 0 x=0 y=54 w=280 h=280
Child: Sending OK reply
Child: Plugin: Reading next code...
Child: Could not read next command code!
Child: VM Received Command >>>Unknown code:-1
                      PLUGIN ERROR
                      ************
Java process: unexpected request ffffffff

Child: Java process: unexpected request ffffffff