MODULE 7 Exceptions---------------------------- 程序正常执行过程中遇到的意外情况 引发异常的因素: 1)程序本身的内在因素 2)外部因素引发的,程序无须关注例:数组访问越界异常: 除以0: 异常发生:1)会在发生的位置抛出异常2)程序的正常流程会发生改变3)对于抛出的异常需要进行捕获处理try { //正常的程序执行流程}catch(异常1){ //异常1的处理代码}catch(异常2){ //异常2的处理代码}finally{ //无论是否出现异…

import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.Font; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.net.URL; import javax.swing.JApplet; import javax.swing.JBu…

2010-5-18 22:00:38 org.apache.catalina.core.AprLifecycleListener lifecycleEvent 信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_10…

在CMD命令行中启动运行startup.bat,启运程序总是闪退,查看日志发现如下错误: 26-Jan-2016 18:12:34.463 SEVERE [main] org.apache.coyote.AbstractProtocol.init Failed to initialize end point associated with ProtocolHandler ["ajp-apr-8009"] java.lang.Exception: Socket bind failed:…

This is a new series of sharing core Java interview question and answer on Finance domain and mostly on big Investment bank.Many of these Java interview questions are asked on JP Morgan, Morgan Stanley, Barclays or Goldman Sachs. Banks mostly asked c…

需要修改三个端口号:%apache_tomcat6%/conf/server.xml 四月 11, 2014 11:39:25 上午 org.apache.catalina.core.AprLifecycleListener init信息: Loaded APR based Apache Tomcat Native library 1.1.22.四月 11, 2014 11:39:25 上午 org.apache.catalina.core.AprLifecycleListener init信息…

严重: Error starting endpoint java.lang.Exception: Socket bind failed: [730048] ?????????×???(Э?é/???????/???)????í?? at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java:649) at org.apache.tomcat.util.net.AprEndpoint.start(AprEndpoint.java:…

1.错误描述 严重: Failed to initialize end point associated with ProtocolHandler ["http-apr-8080"] java.lang.Exception: Socket bind failed: [730048] ?????????×???(Э?é/???????/???)????í?? at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java:4…

junit   方法  没有加上注解  @Test java.lang.Exception: No tests found matching Method tes(com.bw.test.Testrefiect) from org.junit.vintage.engine.descriptor.RunnerRequest@3bfdc050 at org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:40) a…

java.lang.Exception: DEBUG STACK TRACE for PoolBackedDataSource.close(). java.lang.Exception: DEBUG STACK TRACE for PoolBackedDataSource.close(). at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.close(AbstractPoolBackedDataSource.java:417) at…