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Excel4apps Fails When Accessed through OCI Load Balancer (Doc ID 2633505.1)

Last updated on FEBRUARY 07, 2020

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

 Excel4apps is deployed on Weblogic server. Users access the application through OCI Load Balancer (LB). After having loaded the Excel4apps applet in browser and then browsing the menu in the applet the following error occurs:

 

After enabling Java tracing, the java console shows the following error:

6.983 ...cle.E4AWand-1 ERR HANDLED com.excel4apps.FatalException: No client version supplied or version in invalid format.^M
6.983 ...cle.E4AWand-1 ERR HANDLED at com.excel4apps.wand.AbstractE4AWand.waitForTransaction(AbstractE4AWand.java:1996)
6.983 ...cle.E4AWand-1 ERR HANDLED at com.excel4apps.wand.oracle.E4AWand.readServer(E4AWand.java:818)
6.983 ...cle.E4AWand-1 ERR HANDLED at com.excel4apps.wand.AbstractE4AWand.init(AbstractE4AWand.java:787)
6.983 ...cle.E4AWand-1 ERR HANDLED at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter.init(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at java.lang.Thread.run(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED Caused by: com.excel4apps.servlet.wand.framework.exceptions.ClientVersionException: No client version supplied or version in invalid format.
6.983 ...cle.E4AWand-1 ERR HANDLED at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
6.983 ...cle.E4AWand-1 ERR HANDLED at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at java.lang.reflect.Constructor.newInstance(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at java.lang.Class.newInstance(Unknown Source)
6.983 ...cle.E4AWand-1 ERR HANDLED at com.excel4apps.wand.requests.Batch.execute(Batch.java:419)
6.983 ...cle.E4AWand-1 ERR HANDLED at com.excel4apps.wand.requests.Batch$1.run(Batch.java:879)

Cause

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In this Document
Symptoms
Cause
Solution


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