Slow Netbeans 6 - and annoying cause

Netbeans 5.5.1/ 6.0 seems to be on some machines incredible slow. Adding an application server (etc. Glassfish) into the IDE can cause the freeze of the whole IDE. I observed this phenomenon on some Windows machines and was curious about the causes. In most case the slow performance is caused by the virus scanner. Adding an application into netbeans makes it scan all Java EE Jars which is actually really fast (few seconds). However on some machines with some paranoid virus scan settings it can take several minutes (every jar is checked for viruses).... I'm already wondering, what causes more damage - a virus, or working with an activated virus scanner:-).

Another performance problem is the "Slow File Dialog On Windows". Big zip files on window's desktop causes a significantly slow down of all file dialogs - sometime it can take almost a minute to open a file dialog...

On my machine (Vista 32 with Core Duo)  Netbeans 6.0 is slightly slower, than 5.5.1 (especially startup) and so Eclipse 3.3 - however I'm maintaining many (30-50) projects in my workspace as well as several servers in parallel (2 Glassfish, JBoss and Weblogic 10).



try to add -J-Xverify:none to your netbeans.conf.
This will turn off bytecode verification and improves NetBean's startup time (esp. on systems with slow hard disks).

The zip file bug and several other file dialog RFEs have already been fixed in latest Java SE6 (or at least in latest Java SE7). The problem seems to be gone on my system and Java SE7.

Posted by mbien on October 23, 2007 at 02:24 AM CEST #

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Posted by startoy on October 28, 2007 at 02:04 AM CET #

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