Hive 问题汇总

1 Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT…

当启动Hive的时候报错：

Caused by: javax.jdo.JDOException: Couldnt obtain a new sequence (unique id) : Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.
NestedThrowables:
java.sql.SQLException: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging. InnoDB is limited to row-logging when transaction isolation level is READ COMMITTED or READ UNCOMMITTED.

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这个问题是因为hive的元数据存储MySQL配置不当引发的，能够这样解决：

mysql> set global binlog_format='MIXED';

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2 For direct MetaStore DB connections, we don’t support retries at the client level.

当在Hive中建立表的时候报错：

create table years (year string, event string) row format delimited fields terminated by '\t';
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:For direct MetaStore DB connections, we don't support retries at the client level.)

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这是因为字符集的问题，须要配置MySQL的字符集：

mysql> alter database hive character set latin1;

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3 HiveConf of name hive.metastore.local does not exist

当执行Hive客户端时候出现以下错误：

WARN conf.HiveConf: HiveConf of name hive.metastore.local does not exist

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这是因为在0.10 0.11或者以后的HIVE版本 hive.metastore.local 属性再也不使用。将该参数从hive-site.xml删除便可。

4 Permission denied: user=anonymous, access=EXECUTE, inode=”/tmp”

在启动Hive报以下错误：

(Permission denied: user=anonymous, access=EXECUTE, inode="/tmp":hadoop:supergroup:drwx------

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这是因为Hive没有hdfs:/tmp目录的权限，赋权限便可：

hadoop dfs -chmod -R 777 /tmp

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5 未完待续