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IllegalArgumentException from MergingSearchEngine.merge(MergingSearchEngine.java:91) #22
Description
Random issue. No single scenarion how to reproduce. We have 15 reports about it.
It happens when we call constructor JHelp(HelpSet) ie. when Help window is
opened for the first time and JHelp instance is created. Original report is at
http://www.netbeans.org/issues/show_bug.cgi?id=127368. List of duplicates is at
http://statistics.netbeans.org/analytics/detail.do?id=3169.
Environment
Operating System: All
Platform: All
Affected Versions
[current]
Activity
glassfishrobot commentedon Feb 26, 2008
Reported by mslama
glassfishrobot commentedon Feb 26, 2008
Was assigned to javahelp-issues
glassfishrobot commentedon Dec 12, 2008
jglick said:
Obviously a high priority; 252 duplicates.
Error reporting in jh.jar is abysmal. MergingSearchEngine.engines is apparently
permitted to contain null, which it should not;
MergingSearchEngine(NavigatorView) ought to throw IAE in case it cannot
construct the engine. makeEngine can just return null, which it should not -
should throw IAE with a descriptive message in case params == null, or in case
!params.containsKey("data"), or in case konstructor.newInstance(args) throws
InvocationTargetException (do not use System.err or printStackTrace). Should
assume JDK 1.4+ and use exception causes properly - never swallow a throwable
and throw a fresh Error!
glassfishrobot commentedon Apr 26, 2017
This issue was imported from java.net JIRA JAVAHELP-22