最近项目中使用了JarFile 这个类 来load jar包中的 configuration,大致的情况如下 public void processJarEntries(JarFile paramJarFile, ZipEntryFilter paramZipEntryFilter, ZipEntryProcessor paramZipEntryProcessor)   {     for (Enumeration localEnumeration = paramJarFile.entries(…

内存泄露(memory leak) VS 内存溢出(out of memory) 内存溢出 out of memory,是指程序在申请内存时,没有足够的内存空间供其使用,出现out of memory: 内存泄露 memory leak,是指程序在申请内存后,无法释放已申请的内存空间(指的是堆上的内存),一次内存泄露危害可以忽略,但内存泄露堆积后果很严重,无论多少内存,迟早会被占光. memory leak会最终会导致out of memory! GC为了能够正确释放对象,会监控每个对象的运行状…

Debug on Server(Tomcat 9) 遇到这个exception: SEVERE: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].Standar…

本文为博主原创,未经允许不得转载: 被坑了好长时间的bug,差点就要重新配置环境,重新下载,重新开始的境遇.在此记录一下: 首先展示一下报错的异常: -Apr- ::] org.apache.catalina.core.ContainerBase.startInternal A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleExce…

1.项目环境 IntelliJ IDEA2018.1.6 apache-tomcat-8.0.53 基于springboot开发的项目 maven3.5.3 2.出现问题 从svn同步下项目 启动tomcat运行每次都提示以下错误: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/…

严重: Failed to processes JAR found at URL [jar:file:/D:/tools/apache-tomcat-7.0.64_2/webapps/bbs/WEB-INF/lib/org.restlet.ext.servlet-2.3.0.jar!/] for static resources to be included in context with name [jar:file:/D:/tools/apache-tomcat-7.0.64_2/webap…

二月 20, 2017 11:30:28 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:xiaozao_web' did not find a matching property.二月 20, 2…

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/hibernate_springmvc]] at java.util.concurrent.FutureTask.report(FutureTask.j…

控制台错误信息: 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/ZXService]]     at java.u…

在代码中读取一些资源文件(比如图片,音乐,文本等等),在集成环境(Eclipse)中运行的时候没有问题.但当打包成一个可执行的jar包(将资源文件一并打包)以后,这些资源文件找不到,如下代码: Java代码 [java] view plaincopy //源代码1: package edu.hxraid; import java.io.*; public class Resource { public  void getResource() throws IOException{ File fi…