What is the difference between ear jar and war file

Jar file is the combination of compiled java classes. Executable jar file is also be combination of compiled java classes with Main class. But while creating executable jar file we have to specify the Main-Class in a manifest file. It would not need to get deployed into a servlet container, instead it will run with an embedded tomcat.

You'd need to install a java runtime wherever you want to run it, though. See this link for more information. To convert war file to jar in the spring boot, you need to do 3 steps. Spring Boot can also be told to produce a WAR file, in which case you'll likely choose to deploy it to a web container such as Tomcat or Jetty.

It packs one or more modules into one archive. Also, this helps to deploy various modules onto an application server simultaneously and coherently. EAR file consists of deployment descriptors that describe how to deploy the modules.

These deployment descriptors are XML files. A JAR file is a file with Java classes, associated metadata, and resources such as text and images aggregated into one file. WAR file allows testing and deploying web applications easily while EAR file allows deploying different modules onto an application server simultaneously. The JAR file is a file that has Java class files, related metadata, and resource combined into a single file to execute a Java application.

EAR is a Java EE file that packages one or more modules into a single archive to deploy them on to an application server. To make the project transport, deployment made easy. JAR java archive group of. WAR web archive - each war represents one web application - use only web related technologies like servlet, jsps can be used. EAR enterprise archive - each ear represents one enterprise application - we can use anything from j2ee like ejb, jms can happily be used.

Bank app, Telecom app. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 12 years, 2 months ago. Active 1 year, 7 months ago. Viewed k times. What is the difference between a. Improve this question. Mahozad 9, 10 10 gold badges 63 63 silver badges 81 81 bronze badges. Welcome to the Java world where someone thought that leaving a zip file with the.

Add a comment. Active Oldest Votes. Improve this answer. Dousti 3, 6 6 gold badges 33 33 silver badges 47 47 bronze badges. Rutesh Makhijani Rutesh Makhijani KNU yes,. Is it possible to define a context-root for an ejb module? Is there any solution? Yunnosch A simple WAR with all classes in one archive is normal. Here is a more elaborate explanation: adam-bien. David Rabinowitz David Rabinowitz