GAUSS-04451 -- GAUSS-04460

GAUSS-04451: "md async write error,write offset(%ld), file size(%ld)"

SQLSTATE: XX000

Description: The size of the file is incorrect before the asynchronization I/O writes the data file.

Solution: Test whether the file status is correct and try to write the data file again.

GAUSS-04452: "async write failed, write_count(%ld), require_count(%d)"

SQLSTATE: XX000

Description: An exception occurs when the data file is written in the asynchronization I/O mode.

Solution: Restore the cluster data file from the standby server or the backup data.

GAUSS-04453: "build global dfs connect cache hash table failed"

SQLSTATE: 42704

Description: Internal system error. Failed to cache HDFS connection information globally.

Solution: Contact technical support.

GAUSS-04454: "Login failed, check your principal and keytab."

SQLSTATE: XX000

Description: Failed to connect to HDFS.

Solution: Ensure that the keytab file configured on the HDFS client is correct. Contact technical support.

GAUSS-04455: "Failed to remove external directory '%s', because files exist in the directory."

SQLSTATE: XX000

Description: Failed to delete the directory from the HDFS.

Solution: Manually delete the file in the directory on the HDFS if the file does not need to exist.

GAUSS-04456: "could not initialize DFS connector hash table"

SQLSTATE: XX000

Description: Internal system error. Failed to create a global cache for HDFS connections.

Solution: Contact technical support.

GAUSS-04457: "Cann't get proper HdfsUser."

SQLSTATE: XX000

Description: Internal system error. Failed to create the HDFS user.

Solution: Contact technical support.

GAUSS-04458: "krb5 is not thread safe, add thread safe option to re-compile krb5"

SQLSTATE: XX000

Description: Internal system error. Kerberos is not thread-safe.

Solution: Contact technical support.

GAUSS-04459: "unknow option %d"

SQLSTATE: XX000

Description: Internal system error. An error occurs in the Kerberos authentication.

Solution: Contact technical support.

GAUSS-04460: "Failed to get the value of '%s' from confige file."

SQLSTATE: XX000

Description: Failed to obtain the HDFS NameNode information from the configuration file.

Solution: Check whether the dfs.ha.namenodes.hacluster attribute is configured in the hdfs-site.xml configuration file on the HDFS client.