db2inst1@db2nxr:/root> db2cc
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Exception in thread "main" java.lang.NoClassDefFoundError: sun.awt.X11.XToolkit
        at java.lang.J9VMInternals.initialize(J9VMInternals.java:127)
        at java.lang.Class.forNameImpl(Native Method)
        at java.lang.Class.forName(Class.java:131)
        at java.awt.Toolkit$2.run(Toolkit.java:864)
        at java.security.AccessController.doPrivileged(AccessController.java:191)
        at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:847)
        at javax.swing.UIManager.initialize(UIManager.java:1296)
        at javax.swing.UIManager.maybeInitialize(UIManager.java:1279)
        at javax.swing.UIManager.getDefaults(UIManager.java:590)
        at javax.swing.UIManager.get(UIManager.java:852)
        at com.ibm.db2.tools.common.CommonUIManager.initialize(Unknown Source)
        at CC.setLookAndFeel(Unknown Source)
        at CC.<init>(Unknown Source)
        at CC.main(Unknown Source)
DB2JAVIT : RC = 1