7系统下搭建安装Amabari大数据集群时出现SSLError: Failed to connect. Please check openssl library versions.错误的解决办法（图文详解）

　　不多说，直接上干货！

==========================
Creating target directory...
==========================

Command start time 2018-07-26 13:16:52

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:52

==========================
Copying ambari sudo script...
==========================

Command start time 2018-07-26 13:16:52

scp /var/lib/ambari-server/ambari-sudo.sh
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:53

==========================
Copying common functions script...
==========================

Command start time 2018-07-26 13:16:53

scp /usr/lib/ambari-server/lib/ambari_commons
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:53

==========================
Copying create-python-wrap script...
==========================

Command start time 2018-07-26 13:16:53

scp /var/lib/ambari-server/create-python-wrap.sh
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:53

==========================
Copying OS type check script...
==========================

Command start time 2018-07-26 13:16:53

scp /usr/lib/ambari-server/lib/ambari_server/os_check_type.py
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:53

==========================
Running create-python-wrap script...
==========================

Command start time 2018-07-26 13:16:53

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:53

==========================
Running OS type check...
==========================

Command start time 2018-07-26 13:16:53
Cluster primary/cluster OS family is redhat7 and local/current OS family is redhat7

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:54

==========================
Checking 'sudo' package on remote host...
==========================

Command start time 2018-07-26 13:16:54

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:54

==========================
Copying repo file to 'tmp' folder...
==========================

Command start time 2018-07-26 13:16:54

scp /etc/yum.repos.d/ambari.repo
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:54

==========================
Moving file to repo dir...
==========================

Command start time 2018-07-26 13:16:54

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:54

==========================
Changing permissions for ambari.repo...
==========================

Command start time 2018-07-26 13:16:54

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:54

==========================
Copying setup script file...
==========================

Command start time 2018-07-26 13:16:54

scp /usr/lib/ambari-server/lib/ambari_server/setupAgent.py
host=cetc12, exitcode=0
Command end time 2018-07-26 13:16:55

==========================
Running setup agent script...
==========================

Command start time 2018-07-26 13:16:55
("INFO 2018-07-26 13:17:06,791 HeartbeatHandlers.py:116 - Stop event received
INFO 2018-07-26 13:17:06,792 NetUtil.py:130 - Stop event received
INFO 2018-07-26 13:17:06,792 ExitHelper.py:56 - Performing cleanup before exiting...
INFO 2018-07-26 13:17:06,792 ExitHelper.py:70 - Cleanup finished, exiting with code:0
INFO 2018-07-26 13:17:09,636 main.py:285 - Agent died gracefully, exiting.
INFO 2018-07-26 13:17:09,637 ExitHelper.py:56 - Performing cleanup before exiting...
INFO 2018-07-26 13:17:10,223 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,224 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,224 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,225 DataCleaner.py:39 - Data cleanup thread started
INFO 2018-07-26 13:17:10,227 DataCleaner.py:120 - Data cleanup started
INFO 2018-07-26 13:17:10,228 DataCleaner.py:122 - Data cleanup finished
INFO 2018-07-26 13:17:10,228 hostname.py:67 - agent:hostname_script configuration not defined thus read hostname 'cetc12' using socket.getfqdn().
INFO 2018-07-26 13:17:10,331 PingPortListener.py:50 - Ping port listener started on port: 8670
INFO 2018-07-26 13:17:10,334 main.py:439 - Connecting to Ambari server at https://cetc13:8440 (172.10.10.173)
INFO 2018-07-26 13:17:10,335 NetUtil.py:70 - Connecting to https://cetc13:8440/ca
ERROR 2018-07-26 13:17:10,340 NetUtil.py:96 - EOF occurred in violation of protocol (_ssl.c:579)
ERROR 2018-07-26 13:17:10,340 NetUtil.py:97 - SSLError: Failed to connect. Please check openssl library versions. 
Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1022468 for more details.
WARNING 2018-07-26 13:17:10,341 NetUtil.py:124 - Server at https://cetc13:8440 is not reachable, sleeping for 10 seconds...
", None)
("INFO 2018-07-26 13:17:06,791 HeartbeatHandlers.py:116 - Stop event received
INFO 2018-07-26 13:17:06,792 NetUtil.py:130 - Stop event received
INFO 2018-07-26 13:17:06,792 ExitHelper.py:56 - Performing cleanup before exiting...
INFO 2018-07-26 13:17:06,792 ExitHelper.py:70 - Cleanup finished, exiting with code:0
INFO 2018-07-26 13:17:09,636 main.py:285 - Agent died gracefully, exiting.
INFO 2018-07-26 13:17:09,637 ExitHelper.py:56 - Performing cleanup before exiting...
INFO 2018-07-26 13:17:10,223 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,224 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,224 main.py:147 - loglevel=logging.INFO
INFO 2018-07-26 13:17:10,225 DataCleaner.py:39 - Data cleanup thread started
INFO 2018-07-26 13:17:10,227 DataCleaner.py:120 - Data cleanup started
INFO 2018-07-26 13:17:10,228 DataCleaner.py:122 - Data cleanup finished
INFO 2018-07-26 13:17:10,228 hostname.py:67 - agent:hostname_script configuration not defined thus read hostname 'cetc12' using socket.getfqdn().
INFO 2018-07-26 13:17:10,331 PingPortListener.py:50 - Ping port listener started on port: 8670
INFO 2018-07-26 13:17:10,334 main.py:439 - Connecting to Ambari server at https://cetc13:8440 (172.10.10.173)
INFO 2018-07-26 13:17:10,335 NetUtil.py:70 - Connecting to https://cetc13:8440/ca
ERROR 2018-07-26 13:17:10,340 NetUtil.py:96 - EOF occurred in violation of protocol (_ssl.c:579)
ERROR 2018-07-26 13:17:10,340 NetUtil.py:97 - SSLError: Failed to connect. Please check openssl library versions. 
Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1022468 for more details.
WARNING 2018-07-26 13:17:10,341 NetUtil.py:124 - Server at https://cetc13:8440 is not reachable, sleeping for 10 seconds...
", None)

Connection to cetc12 closed.
SSH command execution finished
host=cetc12, exitcode=0
Command end time 2018-07-26 13:17:12

Registering with the server...
Registration with the server failed.

[root@cetc15 lib64]# rpm -qa | grep openssl
openssl-libs-1.0.2k-12.el7.x86_64
xmlsec1-openssl-1.2.20-7.el7_4.x86_64
openssl-1.0.2k-12.el7.x86_64

　　解决办法1：

地址：http://stackoverflow.com/questions/38423925/ambari-confirm-hosts-step-fails-registration-with-the-server-failed

说明：中文和英文操作系统版本问题，中文操作系统出错，英文则成功；

Hey,thank both of you.i got it.The character in China is UTF8,and Ambari is ascii.And Python 2.6 for UTF8 has a bug.

和

I think this is because I set a non-English language (i.e,. Trad. Chinese) as a default language when I installed CentOs 7. It would encounter a charset problem (UTF-8<->ascii) when confirming hosts. After changing the default language to English, This problem has been solved.

解决方法是将系统的默认语言改成英语。

　　解决办法2：

最有效的方式就是关闭 openssl 的检查

sed -i 's/verify=platform_default/verify=disable/' /etc/python/cert-verification.cfg


source /etc/python/cert-verification.cfg

　　解决办法3：

若还是不能注册ambari-agent,使用下面介绍的方式。

　　如果上面方式还不能注册，说明jdk版本不通过，使用默认oracle啊jdk，博主是（centos7.3，所以选择jdk1.8）

（1）先停掉：ambari-server stop；

（2）卸载掉所有节点agent:rpm -qa | grep ambari-agent 得到对应版本，使用rpm -e ambari-agent-XXX卸载；

（3）启动setup：ambari-server setup，配置你的东西，直到选择jdk如下图：

　　　　这里，选择3

　　　　然后，yum -y install ambari-agent

等下载安装完成，继续后续步骤。直到结束

（4）启动ambari：ambari-server start

（5）配置ambari即可正常注册ambari-agent

　　　　解决办法4：

　　　　最终解决办法：

　　见

https://community.hortonworks.com/questions/121978/openssl-compatibility.html?childToView=138080#answer-138080

　　改为

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CentOS5/6/7系统下搭建安装Amabari大数据集群时出现SSLError: Failed to connect. Please check openssl library versions.错误的解决办法（图文详解）

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