User-Agent: Mozilla/5.0 (compatible; MSIE5.5; Windows 98; Build Identifier: Mozilla/5.0 (compatible; MSIE5.5; Windows 98; I installed J2SE SDK 1.4.2 I started getting the following error on startup: Java Plug-in Error Java Plug-in for Netscape Navigator should not be used in Microsoft Internet Explorer. Please use Java Plug-in for Microsoft Internet Explorer instead. I was running an older copy of Mozilla so upgraded to 1.4. Still occurred. Installed J2RE 1.4.1, still occurs. Uninstalled the JREs for 1.4.1 and 1.4.2 and reinstalled 1.4.2 JRE. Still a problem. Note, this looks similar to bug #83376 where the same thing occurs but it is due to spoofing of the useragent string. For reference, this is the setting from my prefs.js: user_pref("general.useragent.override", "Mozilla/5.0 (compatible; MSIE5.5; Windows 98;"); And this is what I get from a printenv call to a different machine HTTP_USER_AGENT="Mozilla/5.0 (compatible; MSIE5.5; Windows 98;" [Looking at that, there appears to be a missing bracket. I will try fixing that and see what happens] Note that even though this error occurs, it looks like Java still starts and the console is viewable from the browser. One more point, I made sure to set the plug-in to not use any proxies but is connected directly to the internet (as is the browser) Rich Reproducible: Always Steps to Reproduce: 1.Start browser 2. 3. Actual Results: Got error Expected Results: Not got error Pinball theme
By removing the user_pref line, I got a proper useragent string and it works OK. this is not an exact duplicate of bug 83376 which is for having something other than "Mozilla/5" at the start of the string but it is still a "not recognising useragent" issue so I'll mark it as a dupe. Rich *** This bug has been marked as a duplicate of 83376 ***
Status: UNCONFIRMED → RESOLVED
Last Resolved: 16 years ago
Resolution: --- → DUPLICATE
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