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Recent questions tagged jdbc

2 votes
1 answer 13 views
Problem: I am beginner to jTable. I have already attached the jTable to JDBC database. But I don’t know how to retrieve them. My requirement is the saved data must be shown if I restart my program but currently it is not working for me. I have ... studentName"); String myshool = myrs.getString("schoolName"); String myjoining = myrs.getString("joiningDate"); } Can somebody solve my problem ?
asked Mar 24 morrisBson 3.2k points
0 votes
1 answer 758 views
Problem : I am a completely novice in the hibernate world and facing below error, WARN: GenerationTarget encountered exception accepting command : Error executing DDL via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL via JDBC Statement The ... hibernate 4 version all my code runs very well. I looked for many solutions but they are not working for me.
asked Feb 4 jwilliam 3.9k points
0 votes
2 answers 128 views
Problem : I want my database to talk to my Java programs. I am getting following error message. Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The ... (); // ResultSet result = stat.executeQuery( "select * from table" ); System.out.println("Connected?"); } }
asked Dec 10, 2019 alecxe 7.5k points
0 votes
1 answer 732 views
Problem : I want to configure the hibernate orm mapping tool to my java class and want to use PostgreSQL as my database also I have configured the password as "password". But when I tried to run the application, I am facing following error ... in thread "main" org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
asked Dec 4, 2019 alecxe 7.5k points
0 votes
1 answer 88 views
Problem : Facing following jdbc issue caused by: com.mysql.jdbc.exceptions.jdbc4.communicationsexception: communications link failure
asked Nov 13, 2019 peterlaw 6.9k points
0 votes
1 answer 85 views
Problem : My Java Servlet program showing the bellow Exception java.lang.classnotfoundexception oracle.jdbc.driver.oracledriver
asked Nov 5, 2019 peterlaw 6.9k points
0 votes
2 answers 93 views
Problem : I am facing bellow error java.sql.sqlrecoverableexception no more data to read from socket
asked Nov 5, 2019 peterlaw 6.9k points
0 votes
2 answers 56 views
Problem : I am getting bellow error while trying to execute JDBC code java.sql.sqlexception: operation not allowed after resultset closed
asked Nov 1, 2019 peterlaw 6.9k points
0 votes
1 answer 165 views
Problem : I am updating values using JDBC but getting bellow error java.sql.sqlexception: column count doesn't match value count at row 1
asked Oct 31, 2019 peterlaw 6.9k points
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