What exactly is Java EE? Ensure that you're using the right Servlet package Also note that for example WildFly and GlassFish are more than just a servletcontainer, they also support JSF (Faces), EJB (Enterprise Beans), JPA (Persistence) and all other Jakarta EE fanciness. Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use.Ī servletcontainer is a concrete implementation of the Servlet API. In case of Tomcat, do not download the EXE format, that's only for Windows based production environments. Usually, just downloading the ZIP file and extracting it is sufficient. You also need to ensure that you already have a servletcontainer installed on your machine which implements at least the same Servlet API version as the servletcontainer in the production environment, for example Apache Tomcat, RedHat WildFly, Eclipse GlassFish, etc. You'd best trash it and grab the real Eclipse IDE for Enterprise Java one. In case you already had Eclipse IDE for Java (without Enterprise), and manually installed some related plugins, then chances are that it wasn't done properly. It contains development tools to create dynamic web projects and easily integrate servletcontainers (those tools are part of Web Tools Platform, WTP). Ensure you've the right Eclipse and Server versionĮnsure that you're using at least Eclipse IDE for Enterprise Java (and Web) developers (with the Enterprise).
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