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http://issues.apache.org/bugzilla/show_bug.cgi?id=28949 Occasional NoClassDefFoundError for tag classes at startup [EMAIL PROTECTED] changed: What |Removed |Added ---------------------------------------------------------------------------- Version|5.0.19 |5.0.28 ------- Additional Comments From [EMAIL PROTECTED] 2004-10-07 13:01 ------- I'd look at the thread-safety of the relevant classloader. Multiple frames means multiple more-or-less concurrent hits, and if there's a class that needs to be loaded it means multiple concurrent loadClass-type requests. But you don't want to just synchronized everything on the classloader for no reason, as that's a performance penalty. However, that can be a useful diagnostic tool: So here's one approach, if you have the time and really want to help us out: build your own Tomcat 5.0.28 having added the synchronized keyword around every method in every Catalina classloader. Then try your test and see if the error goes away. This is just a guess, but that's what I'd try if I were in your position. It's wild overkill, but you can always strip out the synchronized places one by one afterwards. BTW, updating version from 5.0.19 to 5.0.28 on this issue. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
