Switching editor tabs in Eclipse Juno SR1 is very slow

Posted on 8 March 2013 by Paolo Bernardi

Eclipse Juno

At work I am forced to use Eclipse, together with the Web Tools Platform (WTP). Lately I’ve found that switching editor tabs is very slow, when editing JSP or JavaScript files. It turns out that this is a specific performance issue of Eclipse Juno SR1. There are two ways to solve it:

  1. Install Eclipse Juno SR2.
  2. Install Juno SR1 Patches/Eclipse UI Juno SR1 Optimizations from the repository http://download.eclipse.org/eclipse/updates/4.2.

Source: http://wiki.eclipse.org/Platform_UI/Juno_Performance_Investigation

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