eWebEditor在线编辑器上传服务器后NullPointerException后解决方案 做了一个月的项目,下面把我经常用到的,在今天写了几篇文章,方便以后的查阅.eWebEditor在线编辑器上传服务器后NullPointerException后解决方案:这个问题的出现是这样的:在我们个人的电脑上用Tomcat测试是完全没问题的,但是一旦上传到Jsp空间上的服务器,问题就来了:抛出异常126...

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...

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

sessionFactory返回值为什么是NullPointerException'>NullPointerException？hibernate3.4+Struts1.3，数据库是SQlServer2008，程序执行到sessionFactory=newConfiguration().configure().buildSessionFactory()时返回值sessionFactory是null...

Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException谁帮我分析分析，我是新手importjavax.swing.JOptionPane;publicclassDemo2{ classMpoint{ doublex,y; Mpoint(){} voidgetX(){ Str...

[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...

如何解决:Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException各位高手,本人新手上路.玩个简单的程序却遇到了个问题.编译时没报错,但是运行就有问题,麻烦大家帮忙看一下.小弟不胜感激!!!源程序如下:packageswing;importjava.awt.*;importjava.n...

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

xmlselectSingleNode方法linux下报NullPointerException'>NullPointerException各位好，项目中遇到个问题，想请教下大家。我在读取xml的时候用到了selectSingleNode方法，在本地的时候没有问题，但在linux主机下部署的时候报错报错信息：2013-02-0414:57:17.962|WARNING|stream.err|_Th...

SSH架构登录注册是出现NullPointerException'>java.lang.NullPointerException求解啊！本人郁闷啊，难道UserService没有注入到Action中啊？？求高人解答java.lang.NullPointerException'>NullPointerException com.portal.user.web.UserAction.login(Use...

JAVA人机猜拳中遇到Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException我自己做得人机猜拳。以下是我编写的几个类,分别是RJCQ1,RJCQ2,RJCQ4,RJCQTest但是每当我运行RJCQTest这个类的时候，eclipse就会报错Exceptioninthread"mai...

Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException问题求教！下面是源代码出现的异常是Exceptioninthread"main"java.lang.NullPointerException'>NullPointerException atcom.qq.ser...

JSP抛出异常怎么解决啊NullPointerException'>java.lang.NullPointerExceptionHTTPStatus500---------------------------------------------typeExceptionreportmessagedescriptionTheserverencounteredaninternalerror()that...

请教:Exceptioninthread"main"NullPointerException'>java.lang.NullPointerException运行内容如下的UseDriver.java文件,importjava.sql.*;publicclassUseDriver{ publicstaticvoidmain(String[]args){ Stringurl=&q...

request.getSession报NullPointerException'>java.lang.NullPointerException代码如下:JavacodeHttpSessionuserSession=request.getSession();MapuserMap=(Map)userSession.getAttribute("userMap");环境：ssh+mys...

哪位大哥帮小弟看看NullPointerException'>java.lang.NullPointerExceptionpackageJavaBean;importjava.sql.*;importjava.io.PrintWriter;publicclassDB_conn{ privateConnectionconn=null;publicStatementsm=null;privatePri...

java小计算器问题报错NullPointerException'>NullPointerException/***1.编写计算器界面*/packageCalculator;importjava.awt.*;importjavax.swing.*;publicclassCalculatorextendsJFrame{//定义组件 JPaneljp1,jp2; JButtons1,s2,s3,s4,...

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...

请教JNI编程中C调用Java实现中NullPointerException问题大家好，我想要把StringpubKey=cert.getPublicKey().toString();这行代码用c在JNI中实现，jclassX509_cert_clazz=(*env)->FindClass(env,"java/security/cert/X509Certificate"); jmethodI...

Exceptioninthread"main"java.lang.NullPointerException importjava.util.*;classMyKey{privateStringname;privateintage;publicMyKey(Stringname,intage){this.name=name;this.age=age;}publicStrin...