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From "zhubin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAHOUT-1644) [JDK8] errors when compile the module math-scala with JDK8 and maven dependency org.scala-lang:scala-library
Date Tue, 10 Mar 2015 03:44:39 GMT
zhubin created MAHOUT-1644:
------------------------------

             Summary: [JDK8] errors when compile the module math-scala with JDK8 and maven
dependency org.scala-lang:scala-library
                 Key: MAHOUT-1644
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1644
             Project: Mahout
          Issue Type: Dependency upgrade
          Components: build
    Affects Versions: 0.9
            Reporter: zhubin
             Fix For: 0.9


[INFO] Compiling 12 source files to /root/bigtop/dl/mahout-distribution-0.9/math-scala/target/classes
at 1425956054808
[ERROR] error: error while loading ConcurrentMap, class file '/usr/java/jdk1.8.0_40/jre/lib/rt.jar(java/util/concurrent/ConcurrentMap.class)'
is broken
[INFO] (bad constant pool tag 15 at byte 2448)
[ERROR] error: error while loading CharSequence, class file '/usr/java/jdk1.8.0_40/jre/lib/rt.jar(java/lang/CharSequence.class)'
is broken
[INFO] (bad constant pool tag 15 at byte 1501)
[ERROR] error: error while loading Comparator, class file '/usr/java/jdk1.8.0_40/jre/lib/rt.jar(java/util/Comparator.class)'
is broken
[INFO] (bad constant pool tag 15 at byte 5003)
[ERROR] three errors found

The default version of org.scala-lang:scala-library in module math-scala is 2.9.3, and in
order to compile with JDK8, it needs to upgrade the scala version to 2.10.3+



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