Bug 419733 - Cannot install Jet 1.1.1 with Java 7
Summary: Cannot install Jet 1.1.1 with Java 7
Status: NEW
Alias: None
Product: z_Archived
Classification: Eclipse Foundation
Component: Jet (show other bugs)
Version: unspecified   Edit
Hardware: PC Windows 7
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Project Inbox CLA
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Reported: 2013-10-17 11:30 EDT by Felix Dorner CLA
Modified: 2020-05-01 16:11 EDT (History)
1 user (show)

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Description Felix Dorner CLA 2013-10-17 11:30:40 EDT 
Hi,

I am trying to install Jet 1.1.1 into Eclipse 4 with a Java 7 VM. However the update manager progress hangs about in the middle, and it can clearly be seen that it tries to download the jet plugins several times. I suspected this to be the cause for it:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=361628

I tried thus with a Java 6 VM and the installation succeeds.

So I'd like to ask if it would be possible to not pack nested jar files in the jet bundles, as suggested in b) of https://bugs.eclipse.org/bugs/show_bug.cgi?id=361628#c46

which would make it possible to install Jet under Java 7.

Thanks,
Felix
Comment 1 Paul Elder CLA 2013-10-17 11:56:17 EDT 
There is a work around:

1) Switch to a Java 6 JVM.
2) Install JET (and restart).
3) Switch back to the java 7 JVM.

Java 7 has problems with jar-signing/packing of nested JARs - once JET is installed, everything works fine.