hive连接hbase外部表错误怎么办
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在hive中执行创建hbase的外部表，执行创建脚本：
hive> CREATE EXTERNAL TABLE hbase_userFace(id string, mobile string,name string)
> STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler'
> WITH SERDEPROPERTIES("hbase.columns.mapping" = ":key,faces:mobile,faces:name")
> TBLPROPERTIES("hbase.table.name" = "userFace");报错如下：
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:org.apache.hadoop.hbase.client.RetriesExhaustedException: Can't get the locations at org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.getRegionLocations(RpcRetryingCallerWithReadReplicas.java:312) at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:153) at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:61) at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200) at org.apache.hadoop.hbase.client.ClientScanner.call(ClientScanner.java:320) at org.apache.hadoop.hbase.client.ClientScanner.nextScanner(ClientScanner.java:295) at org.apache.hadoop.hbase.client.ClientScanner.initializeScannerInConstruction(ClientScanner.java:160) at org.apache.hadoop.hbase.client.ClientScanner.(ClientScanner.java:155) at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:811) at org.apache.hadoop.hbase.MetaTableAccessor.fullScan(MetaTableAccessor.java:602) at org.apache.hadoop.hbase.MetaTableAccessor.tableExists(MetaTableAccessor.java:366) at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:303) at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:313) at org.apache.hadoop.hive.hbase.HBaseStorageHandler.preCreateTable(HBaseStorageHandler.java:200) at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:664) at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:657) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:156) at com.sun.proxy.$Proxy8.createTable(Unknown Source) at org.apache.hadoop.hive.ql.metadata.Hive.createTable(Hive.java:714) at org.apache.hadoop.hive.ql.exec.DDLTask.createTable(DDLTask.java:4135) at org.apache.hadoop.hive.ql.exec.DDLTask.execute(DDLTask.java:306) at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160) at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:88) at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1653) at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1412) at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1195) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1059) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1049) at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:213) at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:165) at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376) at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:736) at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:681) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.run(RunJar.java:221) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) )
看错误应该是连不上hbase，hbase是用zookeeper管理的，进行如下测试：
1. 测试单节点hbase的连接
$ hive -hiveconf hbase.master=master:60000
进入hive的cli后，执行创建外部表的脚本，发现还是报错。
2. 测试集群hbase的连接
hive -hiveconf hbase.zookeeper.quorum=slave1,slave2,master,slave4,slave5,slave6,slave7
进入hive的cli后，执行创建外部表的脚本，发现创建成功。
由此可见，是hive读取hbase的zookeeper时出错了。查看hive-site.xml文件中，有个名为hive.zookeeper.quorum的property，复制一份改为hbase.zookeeper.quorum的属性。如下：
hbase.zookeeper.quorum slave1,slave2,master,slave4,slave5,slave6,slave7
至此，问题解决，创建hbase外部表成功。
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