Tree Applet Not Loading
(Doc ID 1504239.1)
Last updated on DECEMBER 21, 2022
Applies to:
Oracle WebCenter Sites - Version 7.5.0 and laterInformation in this document applies to any platform.
Symptoms
Below are 4 java console errors which would result in the Advance UI tree applet not loading:
1) java.lang.ClassNotFoundException: com.openmarket.tree.TreeAppletLeader.class
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Exception: java.lang.ClassNotFoundException: com.openmarket.tree.TreeAppletLeader.class
2) load: class com.openmarket.tree.TreeAppletLeader.class not found.
java.lang.ClassNotFoundException: com.openmarket.tree.TreeAppletLeader.class
...
Caused by: java.io.IOException: open HTTP connection failed [url to the TreeAppletLeader classes]
3) java.lang.NullPointerException
at java.util.StringTokenizer.<init>(Unknown Source)
at java.util.StringTokenizer.<init>(Unknown Source)
at com.openmarket.tree.TreeApplet.makeColor(TreeApplet.java:160)
at com.openmarket.tree.TreeApplet.gettabSelectedColor(TreeApplet.java:119)
at com.openmarket.tree.PaneGroup.initialize(PaneGroup.java:68)
at com.openmarket.tree.PaneGroup.<init>(PaneGroup.java:146)
at com.openmarket.tree.TreeApplet.init(TreeApplet.java:299)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
4) java.lang.UnsupportedClassVersionError: com/openmarket/tree/TreeAppletLeader (Unsupported major.minor version 50.0)
...
Exception: java.lang.UnsupportedClassVersionError: com/openmarket/tree/TreeAppletLeader (Unsupported major.minor version 50.0)
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
Symptoms |
Cause |
Solution |