I'm having "the same" problem, started after latest OS X Java upgrade. I'm running 10.7.5 and get the following log message when starting (using Java 1.6):
chmc-2542:Program jory24$ SmartBear/soapUI-4.5.1.app/Contents/Resources/app/bin/soapui.sh
================================
=
= SOAPUI_HOME = /Users/jory24/Program/SmartBear/soapUI-4.5.1.app/Contents/Resources/app
=
================================
13:29:05,386 INFO [DefaultSoapUICore] initialized soapui-settings from [/Users/jory24/soapui-settings.xml]
13:29:06,137 INFO [WorkspaceImpl] Loading workspace from [/Users/jory24/default-soapui-workspace.xml]
13:29:06,283 INFO [DefaultSoapUICore] Forcing Native L&F for mac OSX Lion!
13:29:06,338 INFO [SoapUI] Used java version: 1.6.0_37
Oct 26 13:29:07 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextGetCTM: invalid context 0x0
Oct 26 13:29:07 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextSetBaseCTM: invalid context 0x0
Oct 26 13:29:07 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextGetCTM: invalid context 0x0
Oct 26 13:29:07 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextSetBaseCTM: invalid context 0x0
Oct 26 13:29:08 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextGetCTM: invalid context 0x0
Oct 26 13:29:08 chmc-2542.ad.comhem.com java[40635] <Error>: CGContextSetBaseCTM: invalid context 0x0
objc[40635]: Class MessageLoopView is implemented in both /private/tmp/jxbrowser-3.0.Build.Unknown/libjniw.jnilib and /private/tmp/jxbrowser-3.0.Build.Unknown/libjniwrap.jnilib. One of the two will be used. Which one is undefined.
2012-10-26 13:29:08.265 java[40635:13703] [Java CocoaComponent compatibility mode]: Enabled
I get no window, nothing.
