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		01-03-2022
	
		
		03:29 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi thanks for the response.  I checked and figured out that I needed to add skip_ssl in my.cnf file to skip the ssl connection.  After making this change, it ran without any error.  Thanks,    
						
					
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		12-30-2021
	
		
		04:08 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi while running '/opt/cloudera/cm/schema/scm_prepare_database.sh  mysql scm scm', I'm getting below error. I'm unable to find the cause. Please help me resolve this error.        JAVA_HOME=/usr/java/latest  Verifying that we can write to /etc/cloudera-scm-server  Creating SCM configuration file in /etc/cloudera-scm-server  Executing: /usr/java/latest/bin/java -cp /usr/share/java/mysql-connector-java.jar:/usr/share/java/oracle-connector-java.jar:/usr/share/java/postgresql-connector-java.jar:/opt/cloudera/cm/schema/../lib/* com.cloudera.enterprise.dbutil.DbCommandExecutor /etc/cloudera-scm-server/db.properties com.cloudera.cmf.db.  Thu Dec 30 05:34:34 CST 2021 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.  2021-12-30 05:34:35,140 [main] ERROR com.cloudera.enterprise.dbutil.DbCommandExecutor - Error when connecting to database.  com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure  The last packet successfully received from the server was 205 milliseconds ago. The last packet sent successfully to the server was 197 milliseconds ago.  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)  at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)  at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)  at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:201)  at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4912)  at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1663)  at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1224)  at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2190)  at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2221)  at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2016)  at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776)  at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)  at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)  at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)  at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)  at java.sql.DriverManager.getConnection(DriverManager.java:664)  at java.sql.DriverManager.getConnection(DriverManager.java:247)  at com.cloudera.enterprise.dbutil.DbCommandExecutor.testDbConnection(DbCommandExecutor.java:263)  at com.cloudera.enterprise.dbutil.DbCommandExecutor.main(DbCommandExecutor.java:139)  Caused by: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)  at sun.security.ssl.Handshaker.activate(Handshaker.java:529)  at sun.security.ssl.SSLSocketImpl.kickstartHandshake(SSLSocketImpl.java:1492)  at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1361)  at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413)  at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1397)  at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:186)  ... 19 more  2021-12-30 05:34:35,144 [main] ERROR com.cloudera.enterprise.dbutil.DbCommandExecutor - Exiting with exit code 4  --> Error 4, giving up (use --force if you wish to ignore the error) 
						
					
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