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From "niklaus xiao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-14113) Create function failed but function in show function list
Date Tue, 28 Jun 2016 03:10:57 GMT
niklaus xiao created HIVE-14113:
-----------------------------------

             Summary: Create function failed but function in show function list
                 Key: HIVE-14113
                 URL: https://issues.apache.org/jira/browse/HIVE-14113
             Project: Hive
          Issue Type: Bug
          Components: UDF
    Affects Versions: 1.2.0
            Reporter: niklaus xiao
            Assignee: niklaus xiao


1. create function with invalid hdfs path, /udf/udf-test.jar does not exists
{quote}
create function my_lower as 'com.tang.UDFLower' using jar 'hdfs:///udf/udf-test.jar';
{quote}

Failed with following exception:
{quote}
0: jdbc:hive2://189.39.151.44:10000/> create function my_lower1 as 'com.tang.UDFLower'
using jar 'hdfs:///udf/udf-test.jar';
INFO  : converting to local hdfs:///udf/udf-test.jar
ERROR : Failed to read external resource hdfs:///udf/udf-test.jar
java.lang.RuntimeException: Failed to read external resource hdfs:///udf/udf-test.jar
	at org.apache.hadoop.hive.ql.session.SessionState.downloadResource(SessionState.java:1384)
	at org.apache.hadoop.hive.ql.session.SessionState.resolveAndDownload(SessionState.java:1340)
	at org.apache.hadoop.hive.ql.session.SessionState.add_resources(SessionState.java:1264)
	at org.apache.hadoop.hive.ql.session.SessionState.add_resources(SessionState.java:1250)
	at org.apache.hadoop.hive.ql.exec.FunctionTask.addFunctionResources(FunctionTask.java:306)
	at org.apache.hadoop.hive.ql.exec.Registry.registerToSessionRegistry(Registry.java:466)
	at org.apache.hadoop.hive.ql.exec.Registry.registerPermanentFunction(Registry.java:206)
	at org.apache.hadoop.hive.ql.exec.FunctionRegistry.registerPermanentFunction(FunctionRegistry.java:1551)
	at org.apache.hadoop.hive.ql.exec.FunctionTask.createPermanentFunction(FunctionTask.java:136)
	at org.apache.hadoop.hive.ql.exec.FunctionTask.execute(FunctionTask.java:75)
	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:158)
	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:101)
	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1965)
	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1723)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1475)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1283)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1278)
	at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:167)
	at org.apache.hive.service.cli.operation.SQLOperation.access$200(SQLOperation.java:75)
	at org.apache.hive.service.cli.operation.SQLOperation$1$1.run(SQLOperation.java:245)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1711)
	at org.apache.hive.service.cli.operation.SQLOperation$1.run(SQLOperation.java:258)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.FileNotFoundException: File does not exist: hdfs:/udf/udf-test.jar
	at org.apache.hadoop.hdfs.DistributedFileSystem$25.doCall(DistributedFileSystem.java:1391)
	at org.apache.hadoop.hdfs.DistributedFileSystem$25.doCall(DistributedFileSystem.java:1383)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1383)
	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:340)
	at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:292)
	at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:2034)
	at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:2003)
	at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1979)
	at org.apache.hadoop.hive.ql.session.SessionState.downloadResource(SessionState.java:1370)
	... 28 more

ERROR : Failed to register default.my_lower1 using class com.tang.UDFLower
Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.FunctionTask
(state=08S01,code=1)
{quote}

2. Execute show functions, the failed function my_lower is in the function list
{quote}
0: jdbc:hive2://189.39.151.44:21066/> show functions;
+-------------------------+--+
|        tab_name         |
+-------------------------+--+
| day                     |
| dayofmonth              |
| decode                  |
| default.my_lower1       |
| degrees                 |
| dense_rank              |



0: jdbc:hive2://189.39.151.44:10000/> select my_lower(name) from stu;
Error: Error while compiling statement: FAILED: SemanticException [Error 10011]: Invalid function
my_lower (state=42000,code=10011)

{quote}





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