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ツリーアプレットがロードされません (Doc ID 1948514.1)

Last updated on NOVEMBER 06, 2015

適用範囲:

Oracle WebCenter Sites - バージョン 7.5.0 以降
この文書の内容はすべてのプラットフォームに適用されます。

現象

以下は、アドバンスUIのツリーアプレットがロードされない場合での、Javaコンソールのエラーです。


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)

原因

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