Erro no JDBC e PostgreeSQL

Programação Java
#1

eu tenho uma classe principal e uma classe jdbcconection que tem um metodo chamado getconnection, estou usando postgree e quando tento conectar com o db no metodo Class.forName(“org.postgresql.Driver”), esta dondo o erro abaixo.

Por favor alguem me ajude.

Valeu.

java.lang.ClassNotFoundException: org.postgresql.Driver at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at JdbcConnection.getConnection(JdbcConnection.java:50) at Principal$1.actionPerformed(Principal.java:92) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at javax.swing.JComponent.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)

#2

provavelmente esse driver não está nem no classpath do windows nem no da aplicação … tente inseri-lo em um dos dois q acredito q funcione

#3

Valeu amigo, eu estou tentando fazer isso mas náo sei como faz, vc pode me dar uma direção…???

#4

Qual IDE vc ta usando ?

#5

Você deve baixar o JAR JDBC do PostgreSQL e colocá-lo no classpath.

#6

Por isso que perguntei a IDE, pra ja falar como fazer rs

#7