Red Hat Bugzilla – Bug 387101
Eclipse warns about using a 1.4 JRE
Last modified: 2009-01-09 00:14:20 EST
Description of problem:
Eclipse on Fedora 8 seems to have some weird ideas about JREs. If I open
configuration - Java - Compiler, there's a warning at the top about "Classfile
compatibility must be greater or equal than source compatibility" (all of the
compliance levels are at 6.0 by default). If I change them all manually to 6.0,
then the warning goes away.
Also, when I create a Java project, there's a warning at the bottom of the
creation wizard that says:
"The current workspace uses a 1.4 JRE with compiler compliance level 1.7. This
is not recommended and either the JRE or the compiler compliance level should be
changed." There's also a link to configure the compliance level which takes me
back to the earlier compiler configuration page, which still has 6.0 as all of
the compliance levels.
None of this seems to cause any difficulty in practice. Perhaps Eclipse isn't
expecting a 1.7 compiler?
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Open Eclipse on a clean workspace
Yeah, Eclipse isn't really ready for 1.7 VMs yet. It seems to work well enough
for me, though. You say that this doesn't seem to cause any difficulty in
practice and I haven't seen any difficulties either. Should we keep this open?
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