Error message:
Error: Could not open client transport with JDBC Uri: jdbc:hive2://localhost:10000:
Failed to open new session:
java.lang.RuntimeException:
org.apache.hadoop.security.AccessControlException:
Permission denied: user=anonymous, access=EXECUTE , inode="/tmp":root:supergroup:drwx------
After trying to add an account and password to hive, it is found that the problem is stored in the last sentence. I am anonymous and the read-write permission of/tmp directory is drwx——
The first character: - indicates that this is a file, d indicates that this is a folder, | indicates that this is a connection file
is divided into three characters in a group
the first three: that is, RWX indicates owner permissions
the middle three: --- user permissions in the same group
the last three: --- other user permissions
| permission | represents | value | binary | specific role |
|---|---|---|---|---|
| R | read | 4 | 00000100 | the current user can read the file content and browse the directory |
| W | write write | 2 | 00000010 | the current user can add or modify file contents, and the current user can delete or move directories or files in directories |
| x | execute | 1 | 00000001 | the current user can execute files and enter the directory |
Aka, my root account is accessing hive2, so I belong to other user permissions, so I was rejected
solution:
Change the access permission of this file/file directory in the HDFS file system and relax it. The syntax of changing permissions is similar to that of Linux
HDFS DFS - Chmod - R 777/tmp log in with the account password of HDFS