我使用 PIG 访问通过 HCatalog 创建的表 batting_data。这样做时，我遇到一个错误，说找不到提到的表。然而，这个 batting_data 表在 HIVE 中可用。我也明白，如果未提及数据库名称，则假定为默认值。
错误 org.apache.pig.tools.grunt.Grunt - 错误 1115：找不到表：找不到 default.batting_data 表
我已经设置了 hive-site.xml 如下。请注意我没有使用远程服务器作为元存储，而是使用本地服务器 mysql
<configuration> <property> <name>javax.jdo.option.ConnectionURL</name> <value>jdbc:mysql://localhost/metastore?createDatabaseIfNotExist=true</value> <description>the URL of the MySQL database</description> </property> <property> <name>javax.jdo.option.ConnectionDriverName</name> <value>com.mysql.jdbc.Driver</value> </property> <property> <name>javax.jdo.option.ConnectionUserName</name> <value>root</value> </property> <property> <name>javax.jdo.option.ConnectionPassword</name> <value>root</value> </property> <property> <name>hive.hwi.listen.host</name> <value>0.0.0.0</value> </property> <property> <name>hive.hwi.listen.port</name> <value>9999</value> </property> <property> <name>hive.hwi.war.file</name> <value>lib/hive-hwi-0.12.0.war</value> </property> <property> <name>hive.metastore.local</name> <value>true</value> </property>我已经在我的 .bashrc 中为 PIG 与 HIVE 和 HCATALOG 的集成设置了以下内容。
导出 PIG_OPTS=-Dhive.metastore.local=true 导出 PIG_CLASSPATH=$HCAT_HOME/share/hcatalog/ :$HIVE_HOME/lib/
当 PIG 启动时 GRUNT shell 将默认加载以下语句。
注册/home/shiva/hive-0.12.0/hcatalog/share/hcatalog/hcatalog-core-0.12.0.jar；注册/home/shiva/hive-0.12.0/lib/hive-exec-0.12.0.jar；注册/home/shiva/hive-0.12.0/lib/hive-metastore-0.12.0.jar；
错误消息的完整日志如下。任何解决此问题的帮助将不胜感激。谢谢。
grunt> a = LOAD 'batting_data' USING org.apache.hcatalog.pig.HCatLoader();
2015-01-01 01:06:33,849 [main] INFO org.apache.hadoop.hive.metastore.HiveMetaStore - 0: Opening raw store with implemenation class:org.apache.hadoop.hive.metastore.ObjectStore
2015-01-01 01:06:33,865 [main] INFO org.apache.hadoop.hive.metastore.ObjectStore - ObjectStore, initialize called
2015-01-01 01:06:34,049 [main] INFO DataNucleus.Persistence - Property datanucleus.cache.level2 unknown - will be ignored
2015-01-01 01:06:34,365 [main] WARN com.jolbox.bonecp.BoneCPConfig - Max Connections < 1. Setting to 20
2015-01-01 01:06:35,470 [main] INFO org.apache.hadoop.hive.metastore.ObjectStore - Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order"
2015-01-01 01:06:35,501 [main] INFO org.apache.hadoop.hive.metastore.ObjectStore - Initialized ObjectStore
2015-01-01 01:06:36,265 [main] WARN com.jolbox.bonecp.BoneCPConfig - Max Connections < 1. Setting to 20
2015-01-01 01:06:36,506 [main] INFO org.apache.hadoop.hive.metastore.HiveMetaStore - 0: get_database: NonExistentDatabaseUsedForHealthCheck
2015-01-01 01:06:36,506 [main] INFO org.apache.hadoop.hive.metastore.HiveMetaStore.audit - ugi=shiva ip=unknown-ip-addr cmd=get_database: NonExistentDatabaseUsedForHealthCheck
2015-01-01 01:06:36,512 [main] ERROR org.apache.hadoop.hive.metastore.RetryingHMSHandler - NoSuchObjectException(message:There is no database named nonexistentdatabaseusedforhealthcheck)
at org.apache.hadoop.hive.metastore.ObjectStore.getMDatabase(ObjectStore.java:431)
at org.apache.hadoop.hive.metastore.ObjectStore.getDatabase(ObjectStore.java:441)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hive.metastore.RetryingRawStore.invoke(RetryingRawStore.java:124)
at com.sun.proxy.$Proxy6.getDatabase(Unknown Source)
at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_database(HiveMetaStore.java:628)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:103)
at com.sun.proxy.$Proxy7.get_database(Unknown Source)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getDatabase(HiveMetaStoreClient.java:810)
at org.apache.hcatalog.common.HiveClientCache$CacheableHiveMetaStoreClient.isOpen(HiveClientCache.java:277)
at org.apache.hcatalog.common.HiveClientCache.get(HiveClientCache.java:147)
at org.apache.hcatalog.common.HCatUtil.getHiveClient(HCatUtil.java:547)
at org.apache.hcatalog.pig.PigHCatUtil.getHiveMetaClient(PigHCatUtil.java:150)
at org.apache.hcatalog.pig.PigHCatUtil.getTable(PigHCatUtil.java:186)
at org.apache.hcatalog.pig.HCatLoader.getSchema(HCatLoader.java:194)
at org.apache.pig.newplan.logical.relational.LOLoad.getSchemaFromMetaData(LOLoad.java:175)
at org.apache.pig.newplan.logical.relational.LOLoad.<init>(LOLoad.java:89)
at org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:853)
at org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3479)
at org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1536)
at org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:1013)
at org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:553)
at org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:421)
at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:188)
at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1648)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1621)
at org.apache.pig.PigServer.registerQuery(PigServer.java:575)
at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:1093)
at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:501)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:198)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:173)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
at org.apache.pig.Main.run(Main.java:541)
at org.apache.pig.Main.main(Main.java:156)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:160)
2015-01-01 01:06:36,514 [main] INFO org.apache.hadoop.hive.metastore.HiveMetaStore - 0: get_table : db=default tbl=batting_data
2015-01-01 01:06:36,514 [main] INFO org.apache.hadoop.hive.metastore.HiveMetaStore.audit - ugi=shiva ip=unknown-ip-addr cmd=get_table : db=default tbl=batting_data
2015-01-01 01:06:36,516 [main] INFO DataNucleus.Datastore - The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table.
2015-01-01 01:06:36,516 [main] INFO DataNucleus.Datastore - The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table.
2015-01-01 01:06:36,795 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1115: Table not found : default.batting_data table not found
Details at logfile: /home/shiva/pig_1420054544179.log