spark+hive运行时没有写权限

Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: The root scratch dir: /tmp/hive on HDFS should be writable. Current permissions are: rwx------

    at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)

    at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:116)

    at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:606)

    at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)

    at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)

    at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)

    at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)

    at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

Caused by: java.lang.RuntimeException: The root scratch dir: /tmp/hive on HDFS should be writable. Current permissions are: rwx------

    at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:612)

    at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:554)

    at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:508)

    ... 11 more

 

解决方法:

1. 更改HDFS目录/tmp/hive的权限：hadoop fs -chmod 777 /tmp/hive
2. 同时删HDFS与本地的目录/tmp/hive：
   hadoop fs -rm -r /tmp/hive;  
   rm -rf /tmp/hive

本次错误采用第二种方法解决。