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Hive问题有哪些,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
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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.
这个问题是由于hive
的元数据存储MySQL
配置不当引起的,可以这样解决:
mysql> set global binlog_format='MIXED';
当在Hive
中创建表的时候报错:
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.)
这是由于字符集的问题,需要配置MySQL
的字符集:
mysql> alter database hive character set latin1;
当执行Hive
客户端时候出现如下错误:
WARN conf.HiveConf: HiveConf of name hive.metastore.local does not exist
这是由于在0.10 0.11或者之后的HIVE版本 hive.metastore.local 属性不再使用。将该参数从hive-site.xml
删除即可。
在启动Hive
报如下错误:
(Permission denied: user=anonymous, access=EXECUTE, inode="/tmp":hadoop:supergroup:drwx------
这是由于Hive
没有hdfs:/tmp
目录的权限,赋权限即可:
hadoop dfs -chmod -R 777 /tmp
Hive> CREATE TABLE dummy(value STRING); FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException: An exception was thrown while adding/validating class(es) : Specified key was too long; max key length is 767 bytes com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes
解决方法:
mysql > alter database hive character set latin1;
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