0
我試圖在CentOS上安裝Spark。使用sbt/sbt assembly命令構建火花時，它會產生以下錯誤。在CentOS上安裝Spark時出現Java compliation錯誤
[warn] /root/spark-0.8.0-incubating/core/src/main/scala/org/apache/spark/SparkHadoopWriter.scala:129: method cleanupJob in class OutputCommitter is deprecated: see corresponding Javadoc for more information.
[warn] getOutputCommitter().cleanupJob(getJobContext())
[warn] ^
[warn] /root/spark-0.8.0-incubating/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala:592: method cleanupJob in class OutputCommitter is deprecated: see corresponding Javadoc for more information.
[warn] jobCommitter.cleanupJob(jobTaskContext)
[warn] ^
[warn] two warnings found
[error] ----------
[error] 1. WARNING in /root/spark-0.8.0-incubating/core/src/main/java/org/apache/spark/network/netty/FileClient.java (at line 22)
[error] import io.netty.channel.ChannelFuture;
[error] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[error] The import io.netty.channel.ChannelFuture is never used
[error] ----------
[error] 2. WARNING in /root/spark-0.8.0-incubating/core/src/main/java/org/apache/spark/network/netty/FileClient.java (at line 23)
[error] import io.netty.channel.ChannelFutureListener;
[error] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[error] The import io.netty.channel.ChannelFutureListener is never used
[error] ----------
[error] ----------
[error] 3. WARNING in /root/spark-0.8.0-incubating/core/src/main/java/org/apache/spark/network/netty/FileServer.java (at line 23)
[error] import io.netty.channel.Channel;
[error] ^^^^^^^^^^^^^^^^^^^^^^^^
[error] The import io.netty.channel.Channel is never used
[error] ----------
[error] ----------
[error] 4. WARNING in /root/spark-0.8.0-incubating/core/src/main/scala/org/apache/spark/api/java/JavaSparkContextVarargsWorkaround.java (at line 20)
[error] import java.util.Arrays;
[error] ^^^^^^^^^^^^^^^^
[error] The import java.util.Arrays is never used
[error] ----------
[error] ----------
[error] 5. ERROR in /root/spark-0.8.0-incubating/core/src/main/scala/org/apache/spark/api/java/function/DoubleFlatMapFunction.java (at line 36)
[error] public final Iterable<Double> apply(T t) { return call(t); }
[error] ^^^^^^^^^^
[error] The method apply(T) of type DoubleFlatMapFunction<T> must override a superclass method
[error] ----------
[error] 5 problems (1 error, 4 warnings)
[error] (core/compile:compile) javac returned nonzero exit code
[error] Total time: 431 s, completed Oct 24, 2013 7:42:21 AM
我的機器上安裝的java版本是1.7.0_45。
早些時候我使用jdk 1.6.0_35，它給出了相同的一組錯誤。 我也試過java 1.4給出了不同類型的錯誤。我應該使用哪個版本的Java？或者是其他問題？
參考：這個問題也[跨發佈到火花用戶郵件列表（https://groups.google.com/d/msg/spark-users/ ti5UF15YBq4/du_Wzhr3uCEJ） –