ambari 安装HDP3.0.1后，启动服务的问题记录-白红宇

ambari 安装HDP3.0.1后，启动服务的问题记录

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发布时间：2019-06-29

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HDP的ambari集成安装工具真的是比ClouderaManager差上那么一点儿，不说安装的时候就麻烦，即使软件安装包已成功安装，也不意味着可以正常使用了，启动HDP集群过程中还会有不少的错误！

一、启动服务时，出现若干循环符号链接错误，比如下面是启动ranger时发生的其中一个错误信息：

setup_tagsync(upgrade_type=upgrade_type)  File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/RANGER/package/scripts/setup_ranger_xml.py", line 515, in setup_tagsync    create_parents = True  File "/usr/lib/ambari-agent/lib/resource_management/core/base.py", line 166, in __init__    self.env.run()  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 160, in run    self.run_action(resource, action)  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 124, in run_action    provider_action()  File "/usr/lib/ambari-agent/lib/resource_management/core/providers/system.py", line 177, in action_create    raise Fail("Applying %s failed, looped symbolic links found while resolving %s" % (self.resource, path))resource_management.core.exceptions.Fail: Applying Directory['/usr/hdp/current/ranger-tagsync/conf'] failed, looped symbolic links found while resolving /usr/hdp/current/ranger-tagsync/conf

解决办法，删掉错误的符号链接，建立正确的链接：

cd /usr/hdp/current/ranger-tagsyncunlink confln -s /etc/ranger-tagsync/3.0.0.0-1634/0 conf

二、权限错误: Permission denied，详见下面log信息

stderr:   /var/lib/ambari-agent/data/errors-919.txtTraceback (most recent call last):  File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/RANGER/package/scripts/ranger_admin.py", line 236, in 
     
          RangerAdmin().execute()  File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 351, in execute    method(env)  File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 968, in restart    self.stop(env, upgrade_type=upgrade_type)  File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/RANGER/package/scripts/ranger_admin.py", line 61, in stop    Execute(format('{params.ranger_stop}'), environment={
   'JAVA_HOME': params.java_home}, user=params.unix_user)  File "/usr/lib/ambari-agent/lib/resource_management/core/base.py", line 166, in __init__    self.env.run()  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 160, in run    self.run_action(resource, action)  File "/usr/lib/ambari-agent/lib/resource_management/core/environment.py", line 124, in run_action    provider_action()  File "/usr/lib/ambari-agent/lib/resource_management/core/providers/system.py", line 263, in action_run    returns=self.resource.returns)  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 72, in inner    result = function(command, **kwargs)  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 102, in checked_call    tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy, returns=returns)  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 150, in _call_wrapper    result = _call(command, **kwargs_copy)  File "/usr/lib/ambari-agent/lib/resource_management/core/shell.py", line 314, in _call    raise ExecutionFailed(err_msg, code, out, err)resource_management.core.exceptions.ExecutionFailed: Execution of '/usr/hdp/current/ranger-admin/ews/ranger-admin-services.sh stop' returned 126. -bash: /usr/hdp/current/ranger-admin/ews/ranger-admin-services.sh: Permission denied

解决办法，添加执行权限：