Dmitry Lysnichenko created AMBARI-21287:
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             Summary: Cannot install Datanode/AppTimeLine server from ambari 3.0
                 Key: AMBARI-21287
                 URL: https://issues.apache.org/jira/browse/AMBARI-21287
             Project: Ambari
          Issue Type: Bug
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
            Priority: Blocker



Fails to install datanode and apptimeline server with the following error
{code}
Traceback (most recent call last):
File 
"/var/lib/ambari-agent/cache/common-services/HDFS/3.0.0.3.0/package/scripts/datanode.py",
 line 120, in <module>
DataNode().execute()
File 
"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
 line 330, in execute
method(env)
File 
"/var/lib/ambari-agent/cache/common-services/HDFS/3.0.0.3.0/package/scripts/datanode.py",
 line 49, in install
self.install_packages(env)
File 
"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
 line 740, in install_packages
retry_count=agent_stack_retry_count)
File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 
155, in __init__
self.env.run()
File 
"/usr/lib/python2.6/site-packages/resource_management/core/environment.py", 
line 160, in run
self.run_action(resource, action)
File 
"/usr/lib/python2.6/site-packages/resource_management/core/environment.py", 
line 124, in run_action
provider_action()
File 
"/usr/lib/python2.6/site-packages/resource_management/core/providers/package/__init__.py",
 line 54, in action_install
self.install_package(package_name, self.resource.use_repos, 
self.resource.skip_repos)
File 
"/usr/lib/python2.6/site-packages/resource_management/core/providers/package/yumrpm.py",
 line 43, in install_package
if is_upgrade or use_repos or not self._check_existence(name):
File 
"/usr/lib/python2.6/site-packages/resource_management/core/providers/package/yumrpm.py",
 line 93, in _check_existence
return self.yum_check_package_available(name)
File 
"/usr/lib/python2.6/site-packages/resource_management/core/providers/package/__init__.py",
 line 150, in yum_check_package_available
name_regex = re.escape(name).replace("\\?", ".").replace("\\*", ".*") + '$'
File "/usr/lib64/python2.7/re.py", line 206, in escape
s = list(pattern)
TypeError: 'NoneType' object is not iterable
{code}

Ambari version
{code}
ambari-server --version
3.0.0.0-855
{code}






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