Answers Database


V2.1i COREGEN, HP: NullPointerException thrown after error dialog pops up on HP only (release notes)


Record #6116

Product Family: Software

Product Line: Coregen

Product Part: Coregen

Product Version: 2.1

Problem Title:
V2.1i COREGEN, HP: NullPointerException thrown after error dialog pops up on HP only (release notes)



Problem Description:
Urgency: hot

General Description:
If customization parameters specified for a core in the CORE Generator
are incorrect, an error dialog pops up informing the user of that fact.
However, on the HP only, this error dialog is associated with a NullPointer
Exception.

Example:

java.lang.NullPointerException
at sun.awt.motif.MComponentPeer.<init>(Compiled Code)
at sun.awt.motif.MCanvasPeer.<init>(Compiled Code)
at sun.awt.motif.MPanelPeer.<init>(Compiled Code)
at sun.awt.motif.MWindowPeer.<init>(MWindowPeer.java:42)
at sun.awt.motif.MToolkit.createWindow(MToolkit.java:174)
at java.awt.Window.addNotify(Compiled Code)
at java.awt.Window.pack(Compiled Code)
at com.sun.java.swing.ToolTipManager$WindowPopup.<init>(ToolTipManager.java:528)
at com.sun.java.swing.ToolTipManager.showTipWindow(ToolTipManager.java:167)
at com.sun.java.swing.ToolTipManager.mouseEntered(Compiled Code)
at java.awt.AWTEventMulticaster.mouseEntered(Compiled Code)
at java.awt.Component.processMouseEvent(Compiled Code)
at java.awt.Component.processEvent(Compiled Code)
at java.awt.Container.processEvent(Compiled Code)
at java.awt.Component.dispatchEventImpl(Compiled Code)
at java.awt.Container.dispatchEventImpl(Compiled Code)
at java.awt.Component.dispatchEvent(Compiled Code)
at java.awt.LightweightDispatcher.retargetMouseEvent(Compiled Code)
at java.awt.LightweightDispatcher.setMouseTarget(Compiled Code)
at java.awt.LightweightDispatcher.processMouseEvent(Compiled Code)
at java.awt.LightweightDispatcher.dispatchEvent(Compiled Code)
at java.awt.Container.dispatchEventImpl(Compiled Code)
at java.awt.Window.dispatchEventImpl(Compiled Code)
at java.awt.Component.dispatchEvent(Compiled Code)
at java.awt.EventDispatchThread.run(Compiled Code)


Solution 1:

The NullPointerException appears to associated with the error GUI only.
It does not prevent the user from generating the specified core.




End of Record #6116 - Last Modified: 06/25/99 13:55

For the latest news, design tips, and patch information on the Xilinx design environment, check out the Technical Tips!