Alguém sabe que erro é este
java.lang.NoSuchMethodError: org.postgresql.util.PSQLException: method initCause(Ljava/lang/Throwable;)Ljava/lang/Throwable; not found
at org.postgresql.util.PSQLException.<init>()
at org.postgresql.util.PSQLException.<init>()
at org.postgresql.util.PSQLException.<init>()
at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication()
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl()
at org.postgresql.core.ConnectionFactory.openConnection()
at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>()
at org.postgresql.jdbc3.AbstractJdbc3Connection.<init>()
at org.postgresql.jdbc3.Jdbc3Connection.<init>()
at org.postgresql.Driver.makeConnection()
at org.postgresql.Driver.connect()
at java.sql.DriverManager.getConnection()
at java.sql.DriverManager.getConnection()
at uteis.OperacoesBD.concecta()
at uteis.AgendaDAO.doConsulta()
at webservicecliente.Main.banco()
at webservicecliente.Main.jButton2ActionPerformed()
at webservicecliente.Main.access$200()
at webservicecliente.Main$3.actionPerformed()
at javax.swing.AbstractButton.fireActionPerformed()
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed()
at javax.swing.DefaultButtonModel.fireActionPerformed()
at javax.swing.DefaultButtonModel.setPressed()
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased()
at java.awt.Component.processMouseEvent()
at java.awt.Component.processEvent()
at java.awt.Container.processEvent()
at java.awt.Component.dispatchEventImpl()
at java.awt.Container.dispatchEventImpl()
at java.awt.Component.dispatchEvent()
at java.awt.LightweightDispatcher.retargetMouseEvent()
at java.awt.LightweightDispatcher.processMouseEvent()
at java.awt.LightweightDispatcher.dispatchEvent()
at java.awt.Container.dispatchEventImpl()
at java.awt.Window.dispatchEventImpl()
at java.awt.Component.dispatchEvent()
at java.awt.EventDispatchThread.run()