WebUtil Not Working After Upgrading to 11.1.1.4 (Doc ID 1382633.1)

Last updated on MAY 31, 2013

Applies to:

Oracle Forms - Version 11.1.1.2.0 and later
Information in this document applies to any platform.
Checked for relevance on 31-May-2013

Symptoms

After upgrading Forms from 11.1.1.x to 11.1.1.4 for example WebUtil functionality does not work any more. When running a WebUtil form the following java stack trace is displayed on the Java console.


RegisterWebUtil - Loading WebUtil Version 11.1.1.3
Loaded image: http://appserver:9001/forms/java/yes
Forms Session ID is formsapp.7
The proxy host is null, and the proxy port is 0.
Native HTTP implementation is being used for the connection.
The connection mode is HTTP.
Forms Applet version is 11.1.1.4
Loaded image: jar:http://appserver:9001/forms/java/frmall.jar!/oracle/forms/icons/frame.gif
Exception in thread "thread applet-oracle.forms.engine.Main-1" java.lang.NoClassDefFoundError: com/jacob/com/ComFailException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.jacob.com.ComFailException
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)
... 16 more
Caused by: java.io.IOException: open HTTP connection failed:http://appserver:9001/forms/java/com/jacob/com/ComFailException.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)



Changes

Upgrade to a newer Forms 11g version.

Cause

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