我必须使用 HiveContext 而不是 SQLContext,因为使用了一些只能通过 HiveContext 获得的窗口函数。我在 pom.xml 中添加了以下几行:
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-hive_2.10</artifactId>
<version>1.6.0</version>
</dependency>
我运行代码的机器上的 spark 版本也是 1.6.0 但是,当我将代码提交给 spark 时,出现以下异常:
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Iface.get_all_functions()Lorg/apache/hadoop/hive/metastore/api/GetAllFunctionsResponse;
这是堆栈跟踪:
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getAllFunctions(HiveMetaStoreClient.java:2060)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:105)
at com.sun.proxy.$Proxy27.getAllFunctions(Unknown Source)
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.hadoop.hive.metastore.HiveMetaStoreClient$SynchronizedHandler.invoke(HiveMetaStoreClient.java:1998)
at com.sun.proxy.$Proxy27.getAllFunctions(Unknown Source)
at org.apache.hadoop.hive.ql.metadata.Hive.getAllFunctions(Hive.java:3179)
at org.apache.hadoop.hive.ql.metadata.Hive.reloadFunctions(Hive.java:210)
at org.apache.hadoop.hive.ql.metadata.Hive.registerAllFunctionsOnce(Hive.java:197)
at org.apache.hadoop.hive.ql.metadata.Hive.<init>(Hive.java:307)
at org.apache.hadoop.hive.ql.metadata.Hive.get(Hive.java:268)
at org.apache.hadoop.hive.ql.metadata.Hive.get(Hive.java:243)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:512)
at org.apache.spark.sql.hive.client.ClientWrapper.<init>(ClientWrapper.scala:194)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:249)
at org.apache.spark.sql.hive.HiveContext.metadataHive$lzycompute(HiveContext.scala:329)
at org.apache.spark.sql.hive.HiveContext.metadataHive(HiveContext.scala:239)
at org.apache.spark.sql.hive.HiveContext$$anon$2.<init>(HiveContext.scala:459)
at org.apache.spark.sql.hive.HiveContext.catalog$lzycompute(HiveContext.scala:459)
at org.apache.spark.sql.hive.HiveContext.catalog(HiveContext.scala:458)
at org.apache.spark.sql.hive.HiveContext$$anon$3.<init>(HiveContext.scala:475)
at org.apache.spark.sql.hive.HiveContext.analyzer$lzycompute(HiveContext.scala:475)
at org.apache.spark.sql.hive.HiveContext.analyzer(HiveContext.scala:474)
at org.apache.spark.sql.execution.QueryExecution.assertAnalyzed(QueryExecution.scala:34)
at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:133)
at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:52)
at org.apache.spark.sql.SQLContext.baseRelationToDataFrame(SQLContext.scala:442)
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:223)
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:146)
at com.cloudera.sparkwordcount.FindServers.main(FindServers.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.spark.deploy.SparkSubmit$.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)
有人知道吗?