Category Archives: Tomcat

Tomcat – How to resolve java.util.zip.ZipException: error in opening zip file

This post is not necessarily about any specific technology. Just wanted to┬átell you about one possible reason for this commonly faced problem. I was working on a Spring MVC application lately and I got the following error SEVERE [localhost-startStop-4] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/springcaptcha]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)… Read more »

Problem- java.lang.NoClassDefFoundError: javax/el/ValueExpression Tomcat

Problem- java.lang.NoClassDefFoundError: javax/el/ValueExpression Possibly you are using different set of jars at runtime and compile time. In case of tomcat you might be using some of the jars. Try adding jars like el-api.jar, javaee.jar, jstl-1.2.jar from your development environment to the Tomcat/common/lib folder, one by one and it should solve… Read more »