Following steps need to be followed to create WAR file in Eclipse.
Step 1: Right click on the project and go the property option
Step 2: Go for the tomcat option
Step 3: Go for the ‘Export to the WAR Setting’ tab and click on the browse button to select the destination directory
Step 4: Select the directory and give the name of the WAR file.
Step 5: Now right click on the project and go for the ‘Tomcat Project->Export to the WAR file sets in project properties’ for exporting the WAR file.