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theuserbl

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Date of registration: Dec 20th 2008

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Friday, July 29th 2011, 2:16pm

Java 7 released

Java 7 released. You can download it at
[ http://www.oracle.com/technetwork/java/j…oads/index.html ]
This is the first version, which based on the source of OpenJDK. Before it was the other way around.

But be careful: The current version have a bug in the Hotspot-compiler.
[ http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7070134 ]
[ http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7044738 ]
[ http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7068051 ]

The HotSpot-Compiler have problems with loops in its optimizer. To avoid it you can use the JVM option -XX:-UseLoopPredicate.

Bacause of that bug all known versions of Apache Lucene Core and Apache Solr don't work with the current Java 7 version:
[ http://mail-archives.apache.org/mod_mbox…$@apache.org%3E ]


To have a look at the new features of Java 7, have a look at:
[ Java 7 and Java 8 features ]
[ http://blogs.oracle.com/darcy/resource/O…K7_nutshell.pdf ]
[ http://blogs.oracle.com/darcy/resource/O…penJDKState.pdf ]

Greatings
theuserbl

This post has been edited 1 times, last edit by "theuserbl" (Jul 29th 2011, 2:21pm)

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