WebNov 24, 2024 · Access the DataSource in Your Application From a Servlet Here's how you might access the data in a servlet: InitialContext ic = new InitialContext (); DataSource ds = (DataSource) ic.lookup ("java:comp/env/jdbc/WallyDB"); Connection c = ds.getConnection (); … WebSep 30, 2010 · I thought this happens, because I already have an open connection from a different datasource, so I configured an XA datasource to avoid transaction problems, but it doesn't work at all, so I don't know if I am doing something wrong in my code. Here it is:
What is wrong with my JDBC connection pool? - Stack Overflow
WebUnfortunately, when I try to debug this unit test it fails on the lookup, (DataSource)ic.lookup ("java:/comp/env/jdbc/myDS"); The debugger says, javax.naming.NameNotFoundException: java:/comp/env/jdbc/myDS So the question is, what am I doing wrong? java unit-testing jndi hsqldb in-memory-database Share Improve this … WebJun 21, 2011 · DataSource dataSource = (DataSource) ic.lookup ("jdbc/sampleDataSource"); System.out.println ("lookup dataSource returned " + dataSource); Connection connection = dataSource.getConnection (); System.out.println ("Got connection: " + connection); Statement stmt = connection.createStatement (); … hiding images in deep probabilistic models
DataSource - JSP/서블릿 흝어 보기
WebMay 16, 2013 · A ConnectionPool can be created using its constructor which accepts some pool properties. Even though this constructor is exposed creating a pool within your application, especially in each DAO may not be advisable. The point of pooling is to have a single pool of connections that the application can retrieve a connection from when it … WebDataSource is a name given to the connection set up to a database from a server. The name is commonly used when creating a query to the database. The data source name … WebMar 30, 2013 · 2. When setting the IntegratedSecurity in the XA datasource on JBoss to true, Microsoft's JDBC driver doesn't resolve the 'true' setting to boolean value but throws an error: java.lang.NoSuchMethodException: com.microsoft.sqlserver.jdbc.SQLServerXADataSource.setIntegratedSecurity … hiding identity online