NullPointerException

ajinn

Exception in thread "main" java.lang.NullPointerException
        at com.huying.swing.htmleditor.eb.a(Unknown Source)
        at com.huying.swing.htmleditor.eb.getSpan(Unknown Source)
        at javax.swing.text.GlyphView.getTabbedSpan(GlyphView.java:261)
        at javax.swing.text.FlowView$FlowStrategy.layoutRow(FlowView.java:449)
        at javax.swing.text.FlowView$FlowStrategy.layout(FlowView.java:398)
        at javax.swing.text.FlowView.layout(FlowView.java:182)
        at javax.swing.text.BoxView.setSize(BoxView.java:379)
        at javax.swing.text.BoxView.updateChildSizes(BoxView.java:348)
        at javax.swing.text.BoxView.setSpanOnAxis(BoxView.java:330)
        at javax.swing.text.BoxView.layout(BoxView.java:682)
        at javax.swing.text.BoxView.setSize(BoxView.java:379)
        at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(BasicTextUI.java:    1598)
        at javax.swing.plaf.basic.BasicTextUI.getPreferredSize(BasicTextUI.java:    800)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1272)
        at javax.swing.JEditorPane.getPreferredSize(JEditorPane.java:1206)
        at javax.swing.text.JTextComponent.getPreferredScrollableViewportSize(JT    extComponent.java:1644)
        at javax.swing.ViewportLayout.preferredLayoutSize(ViewportLayout.java:72    )
        at java.awt.Container.preferredSize(Container.java:1175)
        at java.awt.Container.getPreferredSize(Container.java:1159)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1274)
        at javax.swing.ScrollPaneLayout.preferredLayoutSize(ScrollPaneLayout.jav    a:475)
        at java.awt.Container.preferredSize(Container.java:1175)
        at java.awt.Container.getPreferredSize(Container.java:1159)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1274)
        at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.calculateSi    ze(BasicTabbedPaneUI.java:1992)
        at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.preferredLa    youtSize(BasicTabbedPaneUI.java:1966)
        at java.awt.Container.preferredSize(Container.java:1175)
        at java.awt.Container.getPreferredSize(Container.java:1159)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1274)
        at java.awt.BorderLayout.preferredLayoutSize(BorderLayout.java:564)
        at java.awt.Container.preferredSize(Container.java:1175)
        at java.awt.Container.getPreferredSize(Container.java:1159)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1274)
        at java.awt.BorderLayout.preferredLayoutSize(BorderLayout.java:564)
        at java.awt.Container.preferredSize(Container.java:1175)
        at java.awt.Container.getPreferredSize(Container.java:1159)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1274)
        at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.    getPreferredSizeOfComponent(BasicSplitPaneUI.java:1770)
        at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.    getPreferredSizes(BasicSplitPaneUI.java:2003)
        at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.    resetToPreferredSizes(BasicSplitPaneUI.java:2040)
        at javax.swing.plaf.basic.BasicSplitPaneUI$BasicHorizontalLayoutManager.    layoutContainer(BasicSplitPaneUI.java:1470)
        at java.awt.Container.layout(Container.java:1017)
        at java.awt.Container.doLayout(Container.java:1007)
        at java.awt.Container.validateTree(Container.java:1089)
        at java.awt.Container.validateTree(Container.java:1096)
        at java.awt.Container.validateTree(Container.java:1096)
        at java.awt.Container.validateTree(Container.java:1096)
        at java.awt.Container.validateTree(Container.java:1096)
        at java.awt.Container.validate(Container.java:1064)
        at java.awt.Window.show(Window.java:450)
        at com.huying.jdiary.app.App.main(Unknown Source)

头一次运行程序时没有这个Exception，第二遍再运行就有Exception，
不知道是程序的问题，还是环境的问题？

addone

JDiary吗？什么情况下出现的？没见过这个问题啊

zhudingshibai

at com.huying.swing.htmleditor.eb.a(Unknown Source)
at com.huying.swing.htmleditor.eb.getSpan(Unknown Source)



没找到这两个、、、、、、、、、、、、、、

包在classpath里面吗？？

ajinn

是JDiary第二遍运行
echo $CLASSPATH
.:/usr/lib/j2se/1.4/lib/dt.jar:/usr/lib/j2se/1.4/lib/tools.jar
还有偶没找到at com.huying.swing.htmleditor.eb.a在哪