Hello Shmuel,
thanks for your reply!
Yep, as i wrote in the header i try to install v8.2.1…
I’ve searched the documentation and haven’t found anything for Indigo, also i tried with the helios documentation… That worked in most cases for me 
I had to remove the ‘s’ to get an unsecure connection to the empower update site. There was an error that the certificate the site uses wasn’t found in the local keyfile.
After that i was able to install the Plugins.
But now eclipse wont startup.
Here’s the log message:
!SESSION 2011-12-19 11:04:50.111 -----------------------------------------------
eclipse.buildId=I20110613-1736
java.version=1.6.0_14
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.osgi 4 0 2011-12-19 11:04:52.660
!MESSAGE Bundle org.eclipse.equinox.simpleconfigurator_1.0.200.v20110502-1955 [2] is not active.
#webMethods#EntireX#Mainframe-Integration