无法运行Jasper报告：系统找不到指定的文件

Question

我有reports\templates\Contractor_Bill.jrxml中的报告和reports\results\中的结果。它在Netbeans 6.5中工作正常，但是当我将包含exec jar文件的dist文件夹复制到新位置并运行jar时，它会引发此异常。

我还在新位置创建了报告文件夹，它仍然会生成相同的异常。

Aug 5, 2009 10:11:58 PM cbs.ui.ReportUI GenerateReport 
SEVERE: null 
net.sf.jasperreports.engine.JRException: Error compiling report java source file 
s : C:\Documents and Settings\Mohanish Timble\Desktop\sw\Contractor_Bill_old_124 
9490518017_973633.java 
     at net.sf.jasperreports.engine.design.JRJavacCompiler.compileClasses(JRJ 
avacCompiler.java:93) 
     at net.sf.jasperreports.engine.design.JRAbstractClassCompiler.compileUni 
ts(JRAbstractClassCompiler.java:67) 
     at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(J 
RAbstractCompiler.java:190) 
     at net.sf.jasperreports.engine.JasperCompileManager.compileReport(Jasper 
CompileManager.java:220) 
     at net.sf.jasperreports.engine.JasperCompileManager.compileReport(Jasper 
CompileManager.java:153) 
     at cbs.ui.ReportUI.GenerateReport(ReportUI.java:202) 
     at cbs.ui.ReportUI.btnGenerateBillActionPerformed(ReportUI.java:151) 
     at cbs.ui.ReportUI.access$100(ReportUI.java:38) 
     at cbs.ui.ReportUI$2.actionPerformed(ReportUI.java:85) 
     at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) 
     at javax.swing.AbstractButton$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 Sour 
ce) 
     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.pumpOneEventForFilters(Unknown Source) 
     at java.awt.EventDispatchThread.pumpEventsForFilter(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) 
Caused by: java.io.IOException: Cannot run program "javac": CreateProcess error= 
2, The system cannot find the file specified 
     at java.lang.ProcessBuilder.start(Unknown Source) 
     at java.lang.Runtime.exec(Unknown Source) 
     at java.lang.Runtime.exec(Unknown Source) 
     at net.sf.jasperreports.engine.design.JRJavacCompiler.compileClasses(JRJ 
avacCompiler.java:62) 
     ... 33 more 
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find th 
e file specified 
     at java.lang.ProcessImpl.create(Native Method) 
     at java.lang.ProcessImpl.<init>(Unknown Source) 
     at java.lang.ProcessImpl.start(Unknown Source) 
     ... 37 more 
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException 
     at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java: 
138) 
     at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:57 
) 
     at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillMa 
nager.java:402) 
     at cbs.ui.ReportUI.GenerateReport(ReportUI.java:218) 
     at cbs.ui.ReportUI.btnGenerateBillActionPerformed(ReportUI.java:151) 
     at cbs.ui.ReportUI.access$100(ReportUI.java:38) 
     at cbs.ui.ReportUI$2.actionPerformed(ReportUI.java:85) 
     at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) 
     at javax.swing.AbstractButton$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 Sour 
ce) 
     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.pumpOneEventForFilters(Unknown Source) 
     at java.awt.EventDispatchThread.pumpEventsForFilter(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) 

Answer 1

包括JAR碧玉编译器JDT lib文件夹中