bom dia senhores
estou tentando gerar relatoiro usando iReport, mas não estou conseguindo. segui a mensagem de erro. sera que alguem poderia me ajudar.
Exception in thread “AWT-EventQueue-0” java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/compiler/env/INameEnvironment
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2328)
at java.lang.Class.getConstructor0(Class.java:2640)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at net.sf.jasperreports.engine.design.JRDefaultCompiler.loadCalculator(JRDefaultCompiler.java:192)
at net.sf.jasperreports.engine.fill.JRBaseFiller.(JRBaseFiller.java:370)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:126)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:118)
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:151)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:472)
at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:363)
at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:319)
at com.apl.gui.CadastroAtividade.executarRelatorio(CadastroAtividade.java:494)
at com.apl.gui.CadastroAtividade.btnImprimirActionPerformed(CadastroAtividade.java:417)
at com.apl.gui.CadastroAtividade.access$600(CadastroAtividade.java:29)
at com.apl.gui.CadastroAtividade$7.actionPerformed(CadastroAtividade.java:153)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3093)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1766)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
claudemir ramos