I've encountered error upon reconnecting the node to Ambari. Two way SSL authentication is set as disabled which is in a default setup. Let me know how can I resolve this. You may see the logs below ERROR 2018-07-16 13:42:28,329 security.py:249 - Certificate signing failed. In order to receive a new agent certificate, remove existing certificate file from keys directory. As a workaround you can turn off two-way SSL authentication in server configuration(ambari.properties) Exiting.. ERROR 2018-07-16 13:42:28,329 Controller.py:212 - Unable to connect to: https://localhost:8441/agent/v1/register/localhost Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/ambari_agent/Controller.py", line 165, in registerWithServer ret = self.sendRequest(self.registerUrl, data) File "/usr/lib/python2.6/site-packages/ambari_agent/Controller.py", line 496, in sendRequest raise IOError('Request to {0} failed due to {1}'.format(url, str(exception))) IOError: Request to https://localhost:8441/agent/v1/register/localhost failed due to () ERROR 2018-07-16 13:42:28,329 Controller.py:213 - Error:Request to https://localhost:8441/agent/v1/register/localhost failed due to () WARNING 2018-07-16 13:42:28,329 Controller.py:214 - Sleeping for 17 seconds and then trying again ... View more

Caused by: java.sql.SQLException: org.apache.hive.jdbc.ZooKeeperHiveClientException: Unable to read HiveServer2 configs from ZooKeeper at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:134) at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:107) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at org.apache.ambari.view.hive20.internal.HiveConnectionWrapper$1.run(HiveConnectionWrapper.java:78) at org.apache.ambari.view.hive20.internal.HiveConnectionWrapper$1.run(HiveConnectionWrapper.java:75) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1869) at org.apache.ambari.view.hive20.internal.HiveConnectionWrapper.connect(HiveConnectionWrapper.java:75) ... 98 more Caused by: org.apache.hive.jdbc.ZooKeeperHiveClientException: Unable to read HiveServer2 configs from ZooKeeper at org.apache.hive.jdbc.ZooKeeperHiveClientHelper.configureConnParams(ZooKeeperHiveClientHelper.java:96) at org.apache.hive.jdbc.Utils.configureConnParams(Utils.java:514) at org.apache.hive.jdbc.Utils.parseURL(Utils.java:434) at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:132) ... 107 more Caused by: org.apache.hive.jdbc.ZooKeeperHiveClientException: Tried all existing HiveServer2 uris from ZooKeeper. at org.apache.hive.jdbc.ZooKeeperHiveClientHelper.configureConnParams(ZooKeeperHiveClientHelper.java:68) ... 110 more ... View more