Error: Could not create connection to database server

sqoop
#1

HI,

today I’m receiving an error after executing a command (everything worked during the weekend):

sqoop list-databases \
  --connect jdbc:mysql://ms.itversity.com:3306 \
  --username retail_user \
  --password itversity


LOG: 
19/06/03 02:54:27 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6.2.6.5.0-292
19/06/03 02:54:27 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
19/06/03 02:54:27 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
19/06/03 02:54:28 ERROR manager.CatalogQueryManager: Failed to list databases
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
        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:411)
        at com.mysql.jdbc.Util.getInstance(Util.java:386)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2570)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2306)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:839)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
        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:411)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:421)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:350)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:904)
        at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
        at org.apache.sqoop.manager.CatalogQueryManager.listDatabases(CatalogQueryManager.java:57)
        at org.apache.sqoop.tool.ListDatabasesTool.run(ListDatabasesTool.java:49)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:147)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:225)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:243)
Caused by: java.lang.NullPointerException
        at com.mysql.jdbc.ConnectionImpl.getServerCharacterEncoding(ConnectionImpl.java:3281)
        at com.mysql.jdbc.MysqlIO.sendConnectionAttributes(MysqlIO.java:1940)
        at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1866)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1252)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2488)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2521)
        ... 22 more
19/06/03 02:54:28 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
        at org.apache.sqoop.manager.CatalogQueryManager.listDatabases(CatalogQueryManager.java:73)
        at org.apache.sqoop.tool.ListDatabasesTool.run(ListDatabasesTool.java:49)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:147)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:225)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:243)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server.
        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:411)
        at com.mysql.jdbc.Util.getInstance(Util.java:386)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2570)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2306)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:839)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
        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:411)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:421)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:350)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:904)
        at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
        at org.apache.sqoop.manager.CatalogQueryManager.listDatabases(CatalogQueryManager.java:57)
        ... 7 more
Caused by: java.lang.NullPointerException
        at com.mysql.jdbc.ConnectionImpl.getServerCharacterEncoding(ConnectionImpl.java:3281)
        at com.mysql.jdbc.MysqlIO.sendConnectionAttributes(MysqlIO.java:1940)
        at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1866)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1252)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2488)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2521)
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#2

jdbc:mysql://ms.itversity.com:3306 should be given in quotes. Use the below command

sqoop list-databases \
--connect "jdbc:mysql://ms.itversity.com:3306" \
--username retail_user \
--password itversity
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#3

Thank you very much, it works now!

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