해당 오류는 JVM 버전이 낮을 경우 발생하는 문제로 GUI모드로 설치시 발생합니다.
GAUCE 설치시 Java 권장 버전은 1.4.2 이상입니다
JVM버전이 낮을 경우 GAUCE 설치시 console모드로 설치하면 해결됩니다.
install.cmd 또는 install.sh 파일을 열어서 명령어 맨뒤에 -cmd 또는 -console 옵션을 추가해주시면 됩니다.


>게시판을 이용해 주셔서 감사합니다.
>다음양식에 맞게 입력해주세요.
>
>* 고객시스템명 : LG전자
>* GAUCE 버전 : 4.0
>* WAS 종류(WebLogic 등등) : Weblogic
>* DB 종류 : 오라클
>* 문의 유형(질문/요청/참조) : 질문
>* 내용 :
>
>local에서 트라이얼버젼 라이센스 만료로 reinstall하는데 해당 에러가 떨어집니다.
>
>Exception occurred during event dispatching:
>java.lang.NullPointerException
>        at javax.swing.ImageIcon.<init>(Unknown Source)
>        at javax.swing.ImageIcon.<init>(Unknown Source)
>        at sun.swing.WindowsPlacesBar.<init>(Unknown Source)
>        at com.sun.java.swing.plaf.windows.WindowsFileChooserUI.updateUseShellFlder(Unknown Source)
>        at com.sun.java.swing.plaf.windows.WindowsFileChooserUI.installComponens(Unknown Source)
>        at javax.swing.plaf.basic.BasicFileChooserUI.installUI(Unknown Source)
>        at com.sun.java.swing.plaf.windows.WindowsFileChooserUI.installUI(Unknon Source)
>        at javax.swing.JComponent.setUI(Unknown Source)
>        at javax.swing.JFileChooser.updateUI(Unknown Source)
>        at javax.swing.JFileChooser.setup(Unknown Source)
>        at javax.swing.JFileChooser.<init>(Unknown Source)
>        at javax.swing.JFileChooser.<init>(Unknown Source)
>        at Installer$1.actionPerformed(Unknown Source)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Souce)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Window.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.Dialog$1.run(Unknown Source)
>        at java.awt.event.InvocationEvent.dispatch(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
>
>확인 부탁드립니다.