Member since 
    
	
		
		
		04-24-2019
	
	
	
	
	
	
	
	
	
	
	
	
	
	
			
      
                11
            
            
                Posts
            
        
                0
            
            
                Kudos Received
            
        
                0
            
            
                Solutions
            
        
			
    
	
		
		
		06-12-2019
	
		
		06:50 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hey Cloudera family,   just a quick nooby question :  am working on cloudera Single node and i want to add some security  my 1st question is it possible to add Kerberos security/authentification ?  my 2nd question is should i go for Kerberos or Sentry ?  thanks. 
						
					
					... View more
				
			
			
			
			
			
			
			
			
			
		
		
			
				
						
							Labels:
						
						
		
			
	
					
			
		
	
	
	
	
				
		
	
	
- Labels:
- 
						
							
		
			Apache Sentry
- 
						
							
		
			Cloudera Manager
- 
						
							
		
			Kerberos
			
    
	
		
		
		05-07-2019
	
		
		08:34 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 thank u  so soooooooooooooooo much ❤️  that works ! but please can u tell me why all my services are in bad health ?  does that because i'm working with 7GB of RAM ?    
						
					
					... View more
				
			
			
			
			
			
			
			
			
			
		
			
    
	
		
		
		05-03-2019
	
		
		06:58 PM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Hi friend, i have this error and i have no idea from where it comes and how to fix it , am new to Cloudera please can anyone help me ?  this is a screen shot :         and this is the log file :  	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144)
	... 11 more
Exception in thread "main" java.lang.RuntimeException: org.postgresql.util.PSQLException: The connection attempt failed.
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.countTables(HiveMetastoreDbUtil.java:201)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.printTableCount(HiveMetastoreDbUtil.java:281)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.main(HiveMetastoreDbUtil.java:331)
Caused by: org.postgresql.util.PSQLException: The connection attempt failed.
	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:275)
	at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49)
	at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:194)
	at org.postgresql.Driver.makeConnection(Driver.java:450)
	at org.postgresql.Driver.connect(Driver.java:252)
	at java.sql.DriverManager.getConnection(DriverManager.java:571)
	at java.sql.DriverManager.getConnection(DriverManager.java:215)
	at com.cloudera.enterprise.dbutil.SqlRunner.open(SqlRunner.java:109)
	at com.cloudera.enterprise.dbutil.SqlRunner.runSingleQuery(SqlRunner.java:80)
	at com.cloudera.cmf.service.hive.HiveMetastoreDbUtil.countTables(HiveMetastoreDbUtil.java:196)
	... 2 more
Caused by: java.net.UnknownHostException: cloudera.isetso.com
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:579)
	at org.postgresql.core.PGStream.<init>(PGStream.java:68)
	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:144)
	... 11 more
+ NUM_TABLES='2019-05-04 03:53:18,166 [main] ERROR com.cloudera.enterprise.dbutil.SqlRunner  - Error connecting to db with user '\''hive'\'' and jdbcUrl '\''jdbc:postgresql://cloudera.isetso.com:7432/hive'\'''
+ [[ 1 -ne 0 ]]
+ echo 'Failed to count existing tables.'
+ exit 1   PS : am workin on Single node. and i know its a JDBC Problem but i dont know how to fix it, please can anyone provide me with detailled steps ? Thanks. 
						
					
					... View more
				
			
			
			
			
			
			
			
			
			
		
		
			
				
						
							Labels:
						
						
		
			
	
					
			
		
	
	
	
	
				
		
	
	
- Labels:
- 
						
							
		
			Apache HBase
- 
						
							
		
			Apache Hive
- 
						
							
		
			Cloudera Manager
 
        


