mvn compile -DskipTests -Dcommons.daemon.os.name=linux
-Dcommons.daemon.os.arch=i686
can't get it compiled - openjdk version "1.6.0_30". hadoop needs java 5?
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile
(default-compile) on project hadoop-mapreduce-client-core: Compilation
failure: Compilation failure:
[ERROR]
/tmp/hadoop-common/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[93,49]
incompatible types; inferred type argument(s)
org.apache.hadoop.mapreduce.Counter,java.lang.Object do not conform to
bounds of type variable(s) C,G
[ERROR] found : <C,G>java.lang.String
[ERROR] required: java.lang.String
[ERROR]
/tmp/hadoop-common/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[576,33]
incompatible types; inferred type argument(s)
org.apache.hadoop.mapreduce.Counter,java.lang.Object do not conform to
bounds of type variable(s) C,G
[ERROR] found : <C,G>java.lang.String
[ERROR] required: java.lang.String
[ERROR]
/tmp/hadoop-common/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[588,36]
incompatible types; inferred type argument(s)
org.apache.hadoop.mapreduce.Counter,java.lang.Object do not conform to
bounds of type variable(s) C,G
[ERROR] found : <C,G>org.apache.hadoop.mapred.Counters
[ERROR] required: org.apache.hadoop.mapred.Counters
