我有shark-0.8.0
哪个在hive-0.9.0
. 我可以通过调用在 Hive 上编程shark
。我创建了一些表并在其中加载了数据。
现在,我正在尝试使用Scala
. 我Scala
使用shark-shell
. 但是当我尝试选择时,我得到一个表不存在的错误。
scala> val artists = sc.sql2rdd("select artist from default.lastfm")
Hive history file=/tmp/hduser2/hive_job_log_hduser2_201405091617_1513149542.txt
151.738: [GC 317312K->83626K(1005568K), 0.0975990 secs]
151.836: [Full GC 83626K->76005K(1005568K), 0.4523880 secs]
152.313: [GC 80536K->76140K(1005568K), 0.0030990 secs]
152.316: [Full GC 76140K->62214K(1005568K), 0.1716240 secs]
FAILED: Error in semantic analysis: Line 1:19 Table not found 'lastfm'
shark.api.QueryExecutionException: FAILED: Error in semantic analysis: Line 1:19 Table not found 'lastfm'
at shark.SharkDriver.tableRdd(SharkDriver.scala:149)
at shark.SharkContext.sql2rdd(SharkContext.scala:100)
at <init>(<console>:17)
at <init>(<console>:22)
at <init>(<console>:24)
at <init>(<console>:26)
at <init>(<console>:28)
at <init>(<console>:30)
at <init>(<console>:32)
at .<init>(<console>:36)
at .<clinit>(<console>)
at .<init>(<console>:11)
at .<clinit>(<console>)
at $export(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:629)
at org.apache.spark.repl.SparkIMain$Request$$anonfun$10.apply(SparkIMain.scala:890)
at scala.tools.nsc.interpreter.Line$$anonfun$1.apply$mcV$sp(Line.scala:43)
at scala.tools.nsc.io.package$$anon$2.run(package.scala:25)
at java.lang.Thread.run(Thread.java:744)
从文档 ( https://github.com/amplab/shark/wiki/Shark-User-Guide ) 中,这些步骤足以Shark
启动和运行并使用Scala
. 还是我错过了什么?是否有一些配置文件需要修改以启用对 Shark 的访问shark-shell
?