java.io.IOException: Cannot create an instance of InputSplit class = org.apache.hadoop.hive.hbase.HBaseSplit:org.apache.hadoop.hive.hbase.HBaseSplit at org.apache.hadoop.hive.ql.io.HiveInputFormat$HiveInputSplit.readFields(HiveInputFormat.java:146) at org.apache.hadoop.io.serializer.WritableSerialization$WritableDeserializer.deserialize(WritableSerialization.java:67) at org.apache.hadoop.io.serializer.WritableSerialization$WritableDeserializer.deserialize(WritableSerialization.java:40) at org.apache.hadoop.mapred.MapTask.getSplitDetails(MapTask.java:396) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:412) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372) at org.apache.hadoop.mapred.Child$4.run(Child.java:255) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121) at org.apache.hadoop.mapred.Child.main(Child.java:249) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hive.hbase.HBaseSplit at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:820) at org.apache.hadoop.hive.ql.io.HiveInputFormat$HiveInputSplit.readFields(HiveInputFormat.java:143) ... 9 more
问题原因:
1.hive hive.aux.jars.path三个jar包不准确file:///形式
2.hbase hbase.zookeeper.quorum没有配置完整,按注释说根据HBASE_MANAGES_ZK来启用自带还是外部的zookeeper,测试证明HBASE_MANAGES_ZK设false时该配置也是起作用的,所有必须配全。