我是 Hadoop 新手。我发现 Talend Open Studio for Big Data。我正在尝试与 Hive 相关的组件：tHiveConnection 等。
执行作业时出现此错误：
[statistics] connecting to socket on port 3556
[statistics] connected
13/04/18 14:08:52 WARN conf.HiveConf: hive-site.xml not found on CLASSPATH
13/04/18 14:08:52 INFO metastore.HiveMetaStore: 0: Opening raw store with implemenation class:org.apache.hadoop.hive.metastore.ObjectStore
13/04/18 14:08:52 INFO metastore.ObjectStore: ObjectStore, initialize called
13/04/18 14:08:52 INFO DataNucleus.Persistence: Property datanucleus.cache.level2 unknown - will be ignored
13/04/18 14:08:54 INFO metastore.ObjectStore: Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order"
13/04/18 14:08:54 INFO metastore.ObjectStore: Initialized ObjectStore
Hive history file=/tmp/admin.qlv/hive_job_log_admin.qlv_201304181408_152240551.txt
13/04/18 14:08:55 INFO exec.HiveHistory: Hive history file=/tmp/admin.qlv/hive_job_log_admin.qlv_201304181408_152240551.txt
13/04/18 14:08:56 INFO service.HiveServer: Putting temp output to file \tmp\admin.qlv\admin.qlv_2013041814085651067019081102470.pipeout
13/04/18 14:08:56 INFO service.HiveServer: Running the query: set hive.fetch.output.serde = org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
13/04/18 14:08:56 INFO service.HiveServer: Putting temp output to file \tmp\admin.qlv\admin.qlv_2013041814085651067019081102470.pipeout
13/04/18 14:08:56 INFO service.HiveServer: Running the query: SELECT pokes.num, pokes.val FROM pokes
13/04/18 14:08:56 INFO ql.Driver: <PERFLOG method=Driver.run>
13/04/18 14:08:56 INFO ql.Driver: <PERFLOG method=compile>
13/04/18 14:08:56 INFO parse.ParseDriver: Parsing command: SELECT pokes.num, pokes.val FROM pokes
13/04/18 14:08:56 INFO parse.ParseDriver: Parse Completed
13/04/18 14:08:56 INFO parse.SemanticAnalyzer: Starting Semantic Analysis
13/04/18 14:08:56 INFO parse.SemanticAnalyzer: Completed phase 1 of Semantic Analysis
13/04/18 14:08:56 INFO parse.SemanticAnalyzer: Get metadata for source tables
13/04/18 14:08:56 INFO hive.metastore: Trying to connect to metastore with URI thrift://:8020
13/04/18 14:08:56 ERROR parse.SemanticAnalyzer: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch table pokes
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:897)
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:831)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:954)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7524)
at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:243)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:431)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:336)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:909)
at org.apache.hadoop.hive.service.HiveServer$HiveServerHandler.execute(HiveServer.java:191)
at org.apache.hadoop.hive.jdbc.HiveStatement.executeQuery(HiveStatement.java:187)
at org.apache.hadoop.hive.jdbc.HiveStatement.execute(HiveStatement.java:127)
at bigdataproject.requetehive_0_1.RequeteHive.tHiveRow_1Process(RequeteHive.java:433)
at bigdataproject.requetehive_0_1.RequeteHive.runJobInTOS(RequeteHive.java:660)
at bigdataproject.requetehive_0_1.RequeteHive.main(RequeteHive.java:516)
Caused by: java.lang.NullPointerException
at org.apache.thrift.transport.TSocket.open(TSocket.java:166)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openStore(HiveMetaStoreClient.java:264)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:197)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:157)
at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2093)
at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2103)
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:889)
... 13 more
FAILED: Error in semantic analysis: Unable to fetch table pokes
13/04/18 14:08:56 ERROR ql.Driver: FAILED: Error in semantic analysis: Unable to fetch table pokes
org.apache.hadoop.hive.ql.parse.SemanticException: Unable to fetch table pokes
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:1129)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7524)
at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:243)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:431)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:336)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:909)
at org.apache.hadoop.hive.service.HiveServer$HiveServerHandler.execute(HiveServer.java:191)
at org.apache.hadoop.hive.jdbc.HiveStatement.executeQuery(HiveStatement.java:187)
at org.apache.hadoop.hive.jdbc.HiveStatement.execute(HiveStatement.java:127)
at bigdataproject.requetehive_0_1.RequeteHive.tHiveRow_1Process(RequeteHive.java:433)
at bigdataproject.requetehive_0_1.RequeteHive.runJobInTOS(RequeteHive.java:660)
at bigdataproject.requetehive_0_1.RequeteHive.main(RequeteHive.java:516)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch table pokes
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:897)
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:831)
at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:954)
... 11 more
Caused by: java.lang.NullPointerException
at org.apache.thrift.transport.TSocket.open(TSocket.java:166)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openStore(HiveMetaStoreClient.java:264)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:197)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:157)
at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2093)
at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2103)
at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:889)
... 13 more
13/04/18 14:08:56 INFO ql.Driver: </PERFLOG method=compile start=1366290536085 end=1366290536467 duration=382>
13/04/18 14:08:56 INFO ql.Driver: <PERFLOG method=releaseLocks>
13/04/18 14:08:56 INFO ql.Driver: </PERFLOG method=releaseLocks start=1366290536467 end=1366290536467 duration=0>
Query returned non-zero code: 10, cause: FAILED: Error in semantic analysis: Unable to fetch table pokes
[statistics] disconnected
你知道吗？
谢谢。