/usr/dt/appconfig/SUNWns/netscape dumps core with

Unexpected Signal : 11 occurred at PC=0xFECFEA50
Function=[Unknown. Nearest: JVM_RegisterSignal+0x1200]
Library=/usr/j2se/jre/lib/sparc/client/libjvm.so

Current Java thread:
        at sun.awt.SunToolkit.getPrivateKey(Native Method)
        at sun.awt.SunToolkit.insertTargetMapping(SunToolkit.java:321)
        at sun.plugin.viewer.MNetscapePluginObject.appletStateChanged(MNetscapePluginObject.java:555)
        at sun.applet.AppletPanel.dispatchAppletEvent(AppletPanel.java:232)
        at sun.applet.AppletPanel.runLoader(AppletPanel.java:531)
        at sun.applet.AppletPanel.run(AppletPanel.java:292)
        at java.lang.Thread.run(Thread.java:536)

This looks like a duplicate of 4746614, this time with netscape instead
of mozilla. To see this happen (on either spar or i386), point your
netscape browser at https://www.p3.postbank.nl/GTO and click on the
"Inloggen" button.

See comments for "-debug" output