hi, all
I encount a problem when Rolling Upgrade from HDP-2.2.6.0 to HDP-2.4.0.0.
Failed on: Pre Upgrade HDFS Stage, the error like follows:
2016-03-30 16:17:20,789 - Task. Type: EXECUTE, Script: scripts/namenode.py -
Function: prepare_rolling_upgrade
Traceback (most recent call last):
File
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py",
line 28, in <module>
from resource_management import Script
File "/usr/lib/python2.6/site-packages/resource_management/__init__.py", line
23, in <module>
from resource_management.libraries import *
File
"/usr/lib/python2.6/site-packages/resource_management/libraries/__init__.py",
line 23, in <module>
from resource_management.libraries.functions import *
File
"/usr/lib/python2.6/site-packages/resource_management/libraries/functions/__init__.py",
line 25, in <module>
from resource_management.libraries.functions.default import *
File
"/usr/lib/python2.6/site-packages/resource_management/libraries/functions/default.py",
line 24, in <module>
from resource_management.libraries.script import Script
File
"/usr/lib/python2.6/site-packages/resource_management/libraries/script/__init__.py",
line 23, in <module>
from resource_management.libraries.script.script import *
File
"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
line 32, in <module>
from ambari_commons.constants import UPGRADE_TYPE_NON_ROLLING,
UPGRADE_TYPE_ROLLING
ImportError: cannot import name UPGRADE_TYPE_NON_ROLLING
what should I do, or check something?
Best Regards.
