alguem sabe que erro foi esse mim ajudem galera, estou urgentemente atrasado nesse projeto :? Valeu
Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException
at org.postgresql.jdbc2.AbstractJdbc2Statement.replaceProcessing(AbstractJdbc2Statement.java:765)
at org.postgresql.jdbc2.AbstractJdbc2Statement.(AbstractJdbc2Statement.java:131)
at org.postgresql.jdbc3.AbstractJdbc3Statement.(AbstractJdbc3Statement.java:41)
at org.postgresql.jdbc3.Jdbc3Statement.(Jdbc3Statement.java:30)
Deu nullpointer no driver jdbc do postgres, vc deve ter passado uma valor null para ele. Tem que mostrar ae mais linhas da stack de erro e um pedaço do fonte.
Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException
at org.postgresql.jdbc2.AbstractJdbc2Statement.replaceProcessing(AbstractJdbc2Statement.java:765)
at org.postgresql.jdbc2.AbstractJdbc2Statement.(AbstractJdbc2Statement.java:131)
at org.postgresql.jdbc3.AbstractJdbc3Statement.(AbstractJdbc3Statement.java:41)
at org.postgresql.jdbc3.Jdbc3Statement.(Jdbc3Statement.java:30)
at org.postgresql.jdbc3.Jdbc3PreparedStatement.(Jdbc3PreparedStatement.java:23)
at org.postgresql.jdbc3.Jdbc3PreparedStatement.(Jdbc3PreparedStatement.java:18)
at org.postgresql.jdbc3.Jdbc3Connection.prepareStatement(Jdbc3Connection.java:37)
at org.postgresql.jdbc3.AbstractJdbc3Connection.prepareStatement(AbstractJdbc3Connection.java:266)
at org.postgresql.jdbc2.AbstractJdbc2Connection.prepareStatement(AbstractJdbc2Connection.java:188)
at br.cefetrn.biblioteca.dao.bd.ServidorDAO.gravar(ServidorDAO.java:23)
at br.cefetrn.biblioteca.gui.CadastroServidor.jButtonSalvarActionPerformed(CadastroServidor.java:317)
at br.cefetrn.biblioteca.gui.CadastroServidor.a
ccess$300(CadastroServidor.java:14)
at br.cefetrn.biblioteca.gui.CadastroServidor$4.actionPerformed(CadastroServidor.java:194)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6038)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
at java.awt.Component.processEvent(Component.java:5803)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4410)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2429)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
a classe aluno funcionou, o problema o com o servidor
essa parte de aluno insert e o nome da tabela e esta maiusculo mesmo
e creio que o arquivo properties esteja certo pois ja conseguim fazer um cadastro “ALUNO”