Hive 顶点失败：由于：ROOT_INPUT_INIT_FAILURE 导致的终止/失败：java.lang.NullPointerException

Question

我正在查询一个表，一个简单的 count(*) 并收到以下错误：

Vertex failed, vertexName=Map 1, vertexId=vertex_1486982569467_0809_3_00, diagnostics=[Vertex vertex_1486982569467_0809_3_00 [Map 1] killed/failed due to:ROOT_INPUT_INIT_FAILURE, Vertex Input: table_name initializer failed, vertex=vertex_1486982569467_0809_3_00 [Map 1], java.lang.RuntimeException: serious problem
    at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.generateSplitsInfo(OrcInputFormat.java:1172)
    at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getSplits(OrcInputFormat.java:1199)
    at org.apache.hadoop.hive.ql.io.HiveInputFormat.addSplitsForGroup(HiveInputFormat.java:307)
    at org.apache.hadoop.hive.ql.io.HiveInputFormat.getSplits(HiveInputFormat.java:409)
    at org.apache.hadoop.hive.ql.exec.tez.HiveSplitGenerator.initialize(HiveSplitGenerator.java:155)
    at org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable$1.run(RootInputInitializerManager.java:273)
    at org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable$1.run(RootInputInitializerManager.java:266)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
    at org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable.call(RootInputInitializerManager.java:266)
    at org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable.call(RootInputInitializerManager.java:253)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
    at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$BISplitStrategy.getSplits(OrcInputFormat.java:650)
    at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.generateSplitsInfo(OrcInputFormat.java:1161)
    ... 15 more

查询：select count(*) from table_name;

不确定是什么问题，因为我有一个每天填充此表的工作设置。 但它在几天前停止了填充。

Answer 1

这是因为您的表是为读取 orc 文件而创建的，但表位置中的实际文件采用其他格式，如文本。 它期待 ORC 文件，但收到其他东西。