JVM INSTR, this obscure instruction

What is JVM INSTR?
It is a Java byte code instruction, obviously! But why i found a source with this instruction when i decompiled with jad? Beacuse the original source code has been obfuscade! Of course!

Disable eclipse plugin

Today i've to disable an ecplise plugin.
I never do it, i only installed and installed and installed new plugins.
You've to go in Help -> Software Updates -> Manage Configuration

Selecting this menu item opens the Distributions Configuration dialog. You can now expand the plugin tree, to see all the installed component. Click the mouse right button on a plugin and select disable (or uninstall, if you want to delete the plugin from your machine).