Tomcat部署项目时出错java.lang.IllegalStateException: ContainerBase.addChild: start:org.apache.catalina.LifecycleException: Failed to start component[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/项目名]] 一个很简单的项目,没有出现编译错误,从Eclipse中用Tomcat v
环境:myeclipse+tomcat6+jdk6 今天搭建了一个Java Web项目,访问index.jsp时报如下错误: 严重: Servlet.service() for servlet jsp threw exceptionjava.lang.NullPointerException at org.apache.jsp.front.index_jsp._jspInit(index_jsp.java:30) at org.apache.jasper.runtime.HttpJs
参考: 1.code.google.com - 18楼的回答(Mac) / Windows用户参考29楼的回答 2.How To Set $JAVA_HOME Environment Variable On Mac OS X 3.http://hsj69106.blog.51cto.com/1017401/595598 环境: Mac OS X Yosemite jdk1.7.0_71 Eclipse Luna (4.4.1) 报错信息: Errors occurred during the b
Exception in thread "HouseKeeper" java.lang.NullPointerException at org.logicalcobwebs.proxool.HouseKeeperController.getHouseKeeperToRun(HouseKeeperController.java:52) at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:33