Cached client does not load with Sun Java 6.0 update 15 and update 16
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Abstract
When upgrading to Sun Java 6.0 update 15 and update 16, the IBM WebSphere Host On-Demand cached client and download no longer loads in any browser. The Host On-Demand cached client stops loading even if the client is already installed on the client machine. The problem produces an exception in the java console: java.lang.NoClassDefFoundError. The download client might also fail to load.
Content
The next generation plugin provides a new way of executing applets with architectural similarities to Java Web Start technology, but with browser integration. Applets no longer execute in a Java Virtual Machine inside the web browser. Instead, a separate Java Virtual Machine process is launched to execute applets. Currently, the Host On-Demand Cached client does not use the Webstart architecture to execute applets. We believe this is the reason the Host On-Demand clients fail with the next-generation plug-in enabled. The Host On-Demand download client also fails with a different java exception.
This is an issue with the Sun Java and not a bug in Host On-Demand.
As a work around, the Next-generation plug-in can be disabled in the Java control panel.
Open the Java control panel.
Select the Advanced tab.
Select Java plug-in.
Uncheck 'Enable the next-generation Java plug-in'.
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