How to add a jar file to Eclipse / DiscoveryListener cannot be resolved to a type

A common problem when JAR files are not imported into Eclipse, is the error: “… cannot be resolved to a type”

A quick fix is to ensure that you have imported the jar library into Eclipse. This is quite easily done as follows:

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• In Eclipse – right click on the project concerned
• Click on “Java Build Path”
• Click on “Add External JARs”
• Locate your JAR file, and bob’s your uncle ?

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Cheerio ?