问题1：
Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby
...
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby
at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:87)
...
org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:596)
at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:554)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:508)
... 7 more
出现原因：core-site.xml和hdfs-site.xml中的配置错误。如下图：我原先的配置是lida5：2181,lida2:2181,lida3:2181，后来我换服务器了，把lida5换成lida1了，但是忘了修改以上两文件中的配置，导致了上面错误的出现。
解决方法：修改core-site.xml和hdfs-site.xml文件中的配置。
问题2：
[ERROR] Terminal initialization failed; falling back to unsupported
java.lang.IncompatibleClassChangeError: Found class jline.Terminal, but interface was expected
at jline.TerminalFactory.create(TerminalFactory.java:101)
at jline.TerminalFactory.get(TerminalFactory.java:158)
at jline.console.ConsoleReader.(ConsoleReader.java:229)
at jline.console.ConsoleReader.(ConsoleReader.java:221)
at jline.console.ConsoleReader.(ConsoleReader.java:209)
at org.apache.hadoop.hive.cli.CliDriver.setupConsoleReader(CliDriver.java:787)
at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:721)
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.main(RunJar.java:212)
Exception in thread "main" java.lang.IncompatibleClassChangeError: Found class jline.Terminal, but interface was expected
at jline.console.ConsoleReader.(ConsoleReader.java:230)
at jline.console.ConsoleReader.(ConsoleReader.java:221)
at jline.console.ConsoleReader.(ConsoleReader.java:209)
at org.apache.hadoop.hive.cli.CliDriver.setupConsoleReader(CliDriver.java:787)
at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:721)
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.main(RunJar.java:212)
出现原因和解决办法可参看下面的连接：
http://blog..net/olfisher/article/details/48730229
到此还没完事，拷贝完之后，还需要删除/hadoop-2.5.2/share/hadoop/yarn/lib下的jline-0.9.94.jar
问题3：
FAILED: Error in metadata: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient
出现原因和解决办法可参看下面的连接：
/v/949343.html
问题4：
java.sql.SQLException: No suitable driver found for jdbc:jdbc:mysql://lida5/hive
at java.sql.DriverManager.getConnection(DriverManager.java:596)
at java.sql.DriverManager.getConnection(DriverManager.java:187)
at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
at com.jolbox.bonecp.BoneCP.(BoneCP.java:416)
at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)
...
at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.(SessionHiveMetaStoreClient.java:74)
... 18 more
出现原因和解决办法:我已用蓝色字体标识出出错原因。解决办法自己悟吧！
问题5：
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: Unable to open a test connection to the given database. JDBC url = jdbc:mysql://*.*.*.*:3306/*?useUnicode=true&characterEncoding=utf8, username = root. Terminating connection pool. Original Exception: ------
java.sql.SQLException: Access denied for user 'root'@'lida4l' (using password: NO)
出现原因和解决办法可参考下面的链接：
http://blog..net/jueshengtianya/article/details/12087443
问题6：
NestedThrowables:
java.sql.SQLException: Unable to open a test connection to the given database.JDBC url = jdbc:mysql://lida4:3306/hive, username = root. Terminating connection pool (set lazyInit to true if you expect to start your database after your app).Original Exception: ------
com.mysql.jdbc.municationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
...
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.main(RunJar.java:212)
Caused by: .ConnectException: Connection refused
at .PlainSocketImpl.socketConnect(Native Method)
...
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:258)
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:305)
... 75 more
出现原因：mySql没有启动。
解决方法：先启动mySql，然后再启动Hive。
