zhubin created MAHOUT-1644:
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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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