#177120: Help viewer does not work in JNLP mode

Jesse Glick <[email protected]>
Newsgroups gmane.comp.java.netbeans.reviewers
Organization Sun Microsystems / NetBeans
Message-ID <[email protected]> 
https://netbeans.org/bugzilla/show_bug.cgi?id=177120
http://hg.netbeans.org/core-main/rev/57bff5dfd9ba

Regression in 6.7 but somehow not noticed until now. Some modules which bundle third-party libraries request that these override any equivalent in the JRE. The JavaHelp 
integration does this for jh.jar (due to problems with old Solaris JRE installations).

When running the application in JNLP mode (i.e. web starting an RCP app), a detail of class loading meant that classes from these libraries were not visible to the 
context class loader, which happens to be used by JavaHelp to load its UI components. Symptom is a completely broken window when Help > Contents is selected. Fix just 
checks for JNLP mode and disables the JRE override request (which would not work anyway since JNLP does not supporting overriding the JRE or its installed extensions).
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