Error starting Java client on Linux machine

Symptoms:

The Linux Java client would not start with the following popup:

The log file $HOME/ccm_client.log has the following trace:

04/12 08:31:05 java.lang.IllegalArgumentException: Width (0) and height (0) cannot be <= 0
04/12 08:31:05 at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:999)
04/12 08:31:05 at sun.awt.X11.XFramePeer.setIconImage(XFramePeer.java:217)
04/12 08:31:05 at sun.awt.X11.XFramePeer.postInit(XFramePeer.java:75)
04/12 08:31:05 at sun.awt.X11.XBaseWindow.init(XBaseWindow.java:117)
04/12 08:31:05 at sun.awt.X11.XBaseWindow.<init>(XBaseWindow.java:150)
04/12 08:31:05 at sun.awt.X11.XWindow.<init>(XWindow.java:86)
04/12 08:31:05 at sun.awt.X11.XComponentPeer.<init>(XComponentPeer.java:101)
04/12 08:31:05 at sun.awt.X11.XCanvasPeer.<init>(XCanvasPeer.java:22)
04/12 08:31:05 at sun.awt.X11.XPanelPeer.<init>(XPanelPeer.java:27)
04/12 08:31:05 at sun.awt.X11.XWindowPeer.<init>(XWindowPeer.java:53)
04/12 08:31:05 at sun.awt.X11.XDecoratedPeer.<init>(XDecoratedPeer.java:36)
04/12 08:31:05 at sun.awt.X11.XFramePeer.<init>(XFramePeer.java:41)
04/12 08:31:05 at sun.awt.X11.XToolkit.createFrame(XToolkit.java:349)
04/12 08:31:05 at java.awt.Frame.addNotify(Frame.java:491)
04/12 08:31:05 at java.awt.Window.pack(Window.java:484)
04/12 08:31:05 at com.telelogic.cm.ccm_client.panes.LoginPane.showInFrame(LoginPane.java:473)
04/12 08:31:05 at com.telelogic.cm.ccm_client.StartClient.runClient(StartClient.java:654)
04/12 08:31:05 at com.telelogic.cm.ccm_client.StartClient.main(StartClient.java:95)
04/12 08:31:05 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
04/12 08:31:05 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
04/12 08:31:05 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
04/12 08:31:05 at java.lang.reflect.Method.invoke(Method.java:585)
04/12 08:31:05 at com.zerog.lax.LAX.a([DashoPro-V1.2-120198])
04/12 08:31:05 at com.zerog.lax.LAX.main([DashoPro-V1.2-120198])
04/12 08:31:05 --- BEGIN UNHANDLED EXCEPTION ERROR REPORT ---
04/12 08:31:05 An internal error has occurred at Mon Apr 12 08:31:05 IDT 2010
04/12 08:31:05 Unhandled runtime exception: java.lang.IllegalArgumentException
04/12 08:31:05 Exception Message: Width (0) and height (0) cannot be <= 0
04/12 08:31:05
04/12 08:31:05 Stack trace:
04/12 08:31:05 java.lang.IllegalArgumentException: Width (0) and height (0) cannot be <= 0
04/12 08:31:05 at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:999)
:
04/12 08:31:05 at sun.awt.X11.XFramePeer.setIconImage(XFramePeer.java:217)
04/12 08:31:05 at sun.awt.X11.XFramePeer.postInit(XFramePeer.java:75)
04/12 08:31:05 at sun.awt.X11.XBaseWindow.init(XBaseWindow.java:117)
04/12 08:31:05 at sun.awt.X11.XBaseWindow.<init>(XBaseWindow.java:150)
04/12 08:31:05 at sun.awt.X11.XWindow.<init>(XWindow.java:86)
04/12 08:31:05 at sun.awt.X11.XComponentPeer.<init>(XComponentPeer.java:101)
04/12 08:31:05 at sun.awt.X11.XCanvasPeer.<init>(XCanvasPeer.java:22)
04/12 08:31:05 at sun.awt.X11.XPanelPeer.<init>(XPanelPeer.java:27)
04/12 08:31:05 at sun.awt.X11.XWindowPeer.<init>(XWindowPeer.java:53)
04/12 08:31:05 at sun.awt.X11.XDecoratedPeer.<init>(XDecoratedPeer.java:36)
04/12 08:31:05 at sun.awt.X11.XFramePeer.<init>(XFramePeer.java:41)
04/12 08:31:05 at sun.awt.X11.XToolkit.createFrame(XToolkit.java:349)
04/12 08:31:05 at java.awt.Frame.addNotify(Frame.java:491)
04/12 08:31:05 at java.awt.Window.pack(Window.java:484)
04/12 08:31:05 at com.telelogic.cm.ccm_client.panes.LoginPane.showInFrame(LoginPane.java:473)
04/12 08:31:05 at com.telelogic.cm.ccm_client.StartClient.runClient(StartClient.java:654)
04/12 08:31:05 at com.telelogic.cm.ccm_client.StartClient.main(StartClient.java:95)
04/12 08:31:05 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
04/12 08:31:05 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
04/12 08:31:05 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
04/12 08:31:05 at java.lang.reflect.Method.invoke(Method.java:585)
04/12 08:31:05 at com.zerog.lax.LAX.a([DashoPro-V1.2-120198])
04/12 08:31:05 at com.zerog.lax.LAX.main([DashoPro-V1.2-120198])
04/12 08:31:05
04/12 08:31:05 Public SCCS_IDs:
04/12 08:31:05 @(#) %full_filespec: LoginPane.java,79:java:J#1 %
04/12 08:31:05 @(#) %full_filespec: StartClient.java,51.1.1:java:J#1 %
04/12 08:31:05
04/12 08:31:05 Release 6.5 4105
04/12 08:31:05 Build numbers:
04/12 08:31:05 com/telelogic/cm/internal/objectapi/ unknown
04/12 08:31:05 com/telelogic/cm/sessionmgr/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/command/ unknown
04/12 08:31:05 com/telelogic/cm/activecm/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/helper/ unknown
04/12 08:31:05 com/telelogic/cm/service/ 1998
04/12 08:31:05 com/telelogic/cm/objectapi/make/command/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/query/ unknown
04/12 08:31:05 com/telelogic/cm/shared_client/ 2003
04/12 08:31:05 com/telelogic/cm/eventservices/ 2011
04/12 08:31:05 com/telelogic/cm/objectapi/ unknown
04/12 08:31:05 com/telelogic/cm/common/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/error/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/query/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/make/ unknown
04/12 08:31:05 com/telelogic/cm/jrfc/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/accutil/ unknown
04/12 08:31:05 com/telelogic/cm/crapi/ unknown
04/12 08:31:05 com/telelogic/cm/licensemgr/ 1998
04/12 08:31:05 com/telelogic/cm/jrfc/router/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/access/ unknown
04/12 08:31:05 com/telelogic/cm/util/ unknown
04/12 08:31:05 com/telelogic/cm/crapi/adapters/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/service/ unknown
04/12 08:31:05 com/telelogic/cm/internal/users/ unknown
04/12 08:31:05 com/telelogic/cm/shared_client/acm/ 2003
04/12 08:31:05 com/telelogic/license/ 1998
04/12 08:31:05 com/telelogic/cm/internal/crapi/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/update/ unknown
04/12 08:31:05 com/telelogic/cm/server/ 1998
04/12 08:31:05 com/telelogic/cm/resource/ unknown
04/12 08:31:05 com/telelogic/cm/jrfc/objreg/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/dbconfig/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/workarea/ unknown
04/12 08:31:05 com/telelogic/cm/jrfc/activecm/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/command/ unknown
04/12 08:31:05 com/telelogic/cm/jrfc/utils/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/exception/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/adapters/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/security/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/helper/ unknown
04/12 08:31:05 com/telelogic/cm/util/event/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/longcall/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/update/command/ unknown
04/12 08:31:05 com/telelogic/cm/objectapi/database/ unknown
04/12 08:31:05 com/telelogic/cm/shared_client/util/ 2003
04/12 08:31:05 com/telelogic/cm/objectapi/dcm/ unknown
04/12 08:31:05 com/telelogic/cm/jrfc/types/ unknown
04/12 08:31:05 com/telelogic/cm/ccm_client/ unknown
04/12 08:31:05 com/telelogic/cm/internal/security/ unknown
04/12 08:31:05 com/telelogic/cm/internal/objectapi/warning/ unknown
04/12 08:31:05 --- END UNHANDLED EXCEPTION ERROR REPORT ---

Solution:

Set environment variable AWT_TOOLKIT:

export AWT_TOOLKIT=MToolkit

Explanation:

http://www-01.ibm.com/support/docview.wss?rs=2320&context=SSVSD8&uid=swg21398324&loc=en_US&cs=UTF-8&lang=en