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See issue: REGRESSION: Cannot install downloaded NBM with a newer spec number. attempts to install the woodstock.dev.java.net 4.1 FCS nbms into RC1 is failing.
Investigating... But I need to know which build (Full IDE, J2EE IDE), OS, the messages.log is the best way. Please attach.
Plugin Manager worksforme. The installed version of 'woodstock' in latest-pre-RC1 build is 2.0.1 (http://bits.netbeans.org/download/6.0/pre-rc1/nightly/latest/zip/) but specification version of the module at https://woodstock.dev.java.net/Download.htm is 2.0.0.1, e.g. lower then 2.0.1. In this case is the message that the module is already installed is truth for sure.
Created attachment 53077 [details] mesage log attached...
I am able to reproduce this issue with NB6 RC1 build and the Build15 GA nbms. NB6 build from 11/14/07 [DIR] 2007-11-14_13-16-45/ http://smetiste.czech.sun.com/builds/netbeans/6.0/daily/latest/ and the nbms pulled down from the woodstock.dev.java.net site: https://woodstock.dev.java.net/Download.htm (4.1 bld 15 from 11/08/07)
Thanks for information. By your messages log is sure that your woodstock module (already installed in the build) has the version 2.0.1 but the exposed version at dev.java.net has version 2.0.0.1 only.
In that case, the "OpenIDE-Module-Specification-Version: 2.0.0.1" in woodstock\ide-plugins\netbeans\woodstock-suite\components\manifest.mf woodstock\ide-plugins\netbeans\woodstock-suite\defaulttheme\manifest.mf needs to be increased
Lark confirmed that the Open IDE Module version for our RC nbms has always been 2.0.0.1. I've retested the NB6 RC1 build from 11/08 and was able to download the Project Woodstock 4.1 B15 RC nbms. So it does indeed look like something changed in the NB installer between 11/8 and 11/16 to cause this issue. Lark searched through Issuezilla but hasn't found anything yet.
The fix is needed in Project Woodstock.