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

java.lang.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.Cou...

java.lang.NullPointerException'>java.lang.NullPointerException高手帮忙看看是什么问题..在线等.代码:publicclasstransferOptionServletextendsHttpServlet{publicvoidinit(ServletConfigconfig)throwsServletException{super.ini...

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...

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...

Exceptioninthread"main"java.lang.NullPointerException是什么意思？？？ E:\javaprogram>javaGUIDemo3Exceptioninthread"main"java.lang.NullPointerExceptionatGUIDemo3.<init>(GUIDemo3.java:28)...

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

JPA(Hibernate)+Tomcat运行每一个jsp页面出错：java.lang.NullPointerException ?项目构架为Struts2+Spring3+JPA（Hibernate）,Web容器Tomcat6.20 单元测试通过，tomcat启动正常，但是访问每一个jsp页面报错： java">java.lang.NullPointerException org.apache...

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

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

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

java.lang.NullPointerException'>java.lang.NullPointerException的问题求解决java.lang.NullPointerException'>NullPointerException atcom.d9.framework.database.SqlDaoUtil.queryForList(SqlDaoUtil.java:109) atcom....

java.lang.NullPointerException'>java.lang.NullPointerException这个错一般是什么原因？如题！谢谢！color='#e78608'>------解决方案--------------------publicclassNullPointerException'>NullPointerExceptionextendsRuntimeExceptio...

SSH中访问数据库是出现java.lang.NullPointerException异常在com.dao.impl.UserDaoImpl类中代码如下：@Component("userDao")publicclassUserDaoImplimplementsUserDao{ privateHibernateTemplatehibernateTemplate; publicvoi...

java.lang.NullPointerException'>java.lang.NullPointerException问题，各位大侠帮忙看看，在线等着<%@pagepageEncoding="GB18030"%><%@pageimport="java.sql.*"%><%@pageimport="java.uti...

java.lang.NullPointerException'>java.lang.NullPointerException异常处理问题publicstaticString[]split(Strings1,Strings2){StringBuilder[]sp=newStringBuilder[s1.length()];intnumber=0;for(inti=0;i<s1.length()...

调用JPanel.getGraphics()出现java.lang.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...

JSP抛出异常怎么解决啊java.lang.NullPointerException'>java.lang.NullPointerExceptionHTTPStatus500---------------------------------------------typeExceptionreportmessagedescriptionTheserverencounteredaninternale...

android开发Causedby:java.lang.NullPointerException08-2017:19:32.790:D/dalvikvm(938):GC_EXTERNAL_ALLOCfreed52K,51%free2686K/5379K,external0K/0K,paused397ms08-2017:19:33.200:D/AndroidRuntime(938):Shutting...

[初学者]为什么这个程序会抛“java.lang.NullPointerException”？MyFirstMIDlet1.java[code]importjavax.microedition.midlet.*;importjavax.microedition.lcdui.*;publicclassMyFirstMIDlet1extendsMIDlet{ privateDisplaymyDispl...