That OpenJDK6 incompatible-type problem appears to fixed in OpenJDK7 and
8. Is it ok to compile Matterhorn with OpenJDK 7 or 8?
- Karen
On 5/3/2012 11:03 AM, Karen Dolan wrote:
And from: http://wiki.apache.org/hadoop/HadoopJavaVersions
"Note*: OpenJDK6 has some open bugs w.r.t handling of generics
(https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/611284,
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/716959), so
OpenJDK cannot be used to compile hadoop mapreduce code in branch-0.23
and beyond, please use other JDKs. "
- Karen
On 5/3/2012 10:40 AM, Karen Dolan wrote:
If it compiles ok with Sun Java, this might be related to Ubuntu,
“openjdk-6” package Bugs, Bug #716959
"Incorrect generation/handling of generics compared to Sun javac?"
"This feels like a difference between the way the Sun JDK and OpenJDK
handle generics."
Launchpad Janitor (janitor) wrote on 2011-11-14: Status changed to
'Confirmed' because the bug affects multiple users.
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/716959
- Karen
On 5/2/2012 7:23 PM, Greg Logan (Commented) (JIRA) wrote:
[
http://opencast.jira.com/browse/MH-8764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=30489#comment-30489
]
Greg Logan commented on MH-8764:
--------------------------------
Christoph, this was a change you made. I took a look at the code
and it looks fine to me, which makes me think we found a compiler
bug. Thoughts?
Matterhorn-common does not compile with certain JVMs
----------------------------------------------------
Key: MH-8764
URL: http://opencast.jira.com/browse/MH-8764
Project: Matterhorn Project
Issue Type: Bug
Components: Architecture& Services
Affects Versions: 1.4
Reporter: Greg Logan
Assignee: Christoph E. Driessen
Priority: Critical
Fix For: 1.4
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Karen Dolan
Harvard University, DCE
617-998-8439
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