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我在單個節點上安裝了apache-spark。當我運行spark-shell時,出現下面的異常。儘管有例外,我仍然可以創建RDD並運行scala代碼片段。執行spark-shell時出現Apache Spark異常
這是例外:
16/02/15 14:21:29 WARN ObjectStore: Failed to get database default, returning NoSuchObjectException
16/02/15 14:21:31 WARN : Your hostname, Rahul-PC resolves to a loopback/non-reachable address: fe80:0:0:0:c0c1:cd2e:990d:17ac%e
java.lang.RuntimeException: java.lang.NullPointerException
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:171)
at org.apache.spark.sql.hive.HiveContext.executionHive$lzycompute(HiveContext.scala:162)
at org.apache.spark.sql.hive.HiveContext.executionHive(HiveContext.scala:160)
at org.apache.spark.sql.hive.HiveContext.<init>(HiveContext.scala:167)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at org.apache.spark.repl.SparkILoop.createSQLContext(SparkILoop.scala:1028)
at $iwC$$iwC.<init>(<console>:9)
at $iwC.<init>(<console>:18)
at <init>(<console>:20)
at .<init>(<console>:24)
at .<clinit>(<console>)
at .<init>(<console>:7)
at .<clinit>(<console>)
at $print(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
我JAVA_HOME
設置爲指向正確的JDK的安裝文件夾中。
JAVA_HOME = C:\Program Files\Java\jdk1.8.0
還有什麼我需要做的。請指教。
似乎類似於這樣的問題:http://stackoverflow.com/q/32721647/1395437 –
當你得到這個?火花外殼的啓動還是執行一些命令? –