Exceptioninthread"main"NullPointerException'>java.lang.NullPointerExceptionpackageyan1;importjavax.swing.*;importjavax.swing.table.*;importjava.awt.*;importjava.awt.event.*;//vistBBSjavapubl...

求助问题：Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException出错祥细：Exceptioninthread"main"java.lang.NullPointerException'>NullPointerException atawt.GridLayoutTes...

使用junit测试springMVC的action出现NullPointerException'>java.lang.NullPointerException大神帮忙解决下啊错误：java.lang.NullPointerException'>NullPointerExceptionatcn.com.qzinfo.test.base.JUnitActionBase.excuteAction(JUn...

SSH整合出现NullPointerException'>java.lang.NullPointerExceptionjava.lang.NullPointerException'>NullPointerException com.java.dao.StuDaoImpl.findAll(StuDaoImpl.java:37) com.java.service.StuServiceImpl.find...

poi将数据写入excel07时报NullPointerException'>NullPointerException具体错误为NullPointerException'>java.lang.NullPointerException atorg.apache.xmlbeans.impl.store.Xobj.array_setter(Xobj.java:2401) atorg.apache.xml...

NullPointerException'>java.lang.NullPointerExceptionatandroid.graphics.Canvas.throwIfRecycledjava.lang.NullPointerException'>NullPointerException atandroid.graphics.Canvas.throwIfRecycled(Canvas.java:...

Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException这个错误如何解决importjavax.swing.*;importjava.awt.*;classFrameTestextendsJFrame{publicFrameTest(){ super("客户信息界面"...

getHibernateTemplate().get(entity.Class,serializabelid)怎么报NullPointerException'>java.lang.NullPointerException的异常?publicNewsgetNews(Stringid){ //Auto-generatedmethodstub returnnewsDao.getNews(Intege...

NullPointerException'>java.lang.NullPointerException这个问题怎么解决我写了一个JAVA小程序，不知道哪错了，请大家帮忙看看！报错为：Exceptioninthread"main"java.lang.NullPointerException'>NullPointerException atmypack.Count.countd(...

SSH框架，抛出异常NullPointerException'>java.lang.NullPointerException是怎么回事？求大师指导我要做的工作是登录后先判断Type字段（int类型），type=0,等待。type=1，通过；type=2，失败登录后出现错误HTTPStatus500---------------------------------------------------...

Causedby:java.lang.NullPointerException大家帮我看下，这是怎么回事？第1次调试安卓程序，大家帮我看看根据Logcat的提示，问题是不是131行，大家帮我分析下。在线等。。。。。color='#FF8000'>------解决思路----------------------是啊。就是MainActivity.java的第131行访问空指针。color='#FF8...

错误提示：Exceptioninthread"Thread-0"java.lang.NullPointerException？？大家好请帮我看一下怎么出这些错误信息-----------------------------------------Exceptioninthread"Thread-0"java.lang.NullPointerException...

出现Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException求指教，急急急publicclasstxtTOarray{ publicstaticvoidmain(String[]args){ try{ Filefile=newFile("D:\\array1.txt&quo...

Exceptioninthread"AWT-EventQueue-0"NullPointerException'>java.lang.NullPointerException我做了一个cs结构的聊天程序，用了swing，hibernate。可是有时候会出现会出现下列异常，它也没说我程序的哪行出错，我该怎么找错误啊。什么原因可能导致不报异常位置。哪位仁兄帮帮忙，都困扰我好几天了。...

org.apache.jasper.JasperException:javax.servlet.ServletException:NullPointerException'>java.lang.NullPointerExceptionorg.apache.jasper.JasperException:javax.servlet.ServletException:java.lang.NullPoin...

Myeclipse10.6装好了Aptana插件之后，启动都会报弹出对话框报NullPointerException'>java.lang.NullPointerException错误Myeclipse10.6装好了Aptana插件之后，启动都会报弹出对话框报java.lang.NullPointerException'>NullPointerException错误,windows->Pre...

Spring为Struts2依赖注入失败，导致nullpointerexceptionWeb.xml如下：<?xmlversion="1.0"encoding="UTF-8"?><web-appxmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="...

调用JPanel.getGraphics()出现NullPointerException'>java.lang.NullPointerException各位大大，我想画个网格，但是 Graphicsgraphics=panel.getGraphics();这条语句却报出java.lang.NullPointerException'>NullPointerException？不知什么原因，求解，谢...

jboss上跑一段hibernate程序，老出现NullPointerException'>java.lang.NullPointerException错误！22:43:35,203INFO[STDOUT]22:43:35,203ERROR[UsertableDAO]findbypropertynamefailedjava.lang.NullPointerException'>NullPointe...

大家帮看看这是什么异常“Exceptioninthread"Timer-83"NullPointerException'>java.lang.NullPointerException”Exceptioninthread"Timer-83"java.lang.NullPointerException'>NullPointerException atcom.mc...