ClassNotFoundException: com.auth0.jwt.algorithms.Algorithm

Question

I use the java-jwt (com.auth0:java-jwt:3.9.0) but I get a ClassNotFoundException: com.auth0.jwt.algorithms.Algorithm. Do I have to include certain extra maven modules to my project? If so which ones and how can I find them?

Stephen C · Accepted Answer · 2020-06-29 09:49:22Z

1

When I downloaded a copy of the JAR file for "com.auth0:java-jwt:3.9.0" from Maven Central, the Algorithm class that you are apparently missing is in the JAR file!

You can open the copy of the JAR file in your "~/.m2" repository and check for yourself that the class is present. (You could also download the file from https://search.maven.org/artifact/com.auth0/java-jwt/3.9.0/jar and compare it with the copy that you have.)

Assuming that I am right, check that you included the JAR in the runtime classpath of your application OR that Maven has included it in the WAR / shaded JAR / whatever that you are deploying / running.

edited Jun 29, 2020 at 9:49

answered Jun 28, 2020 at 13:56

Stephen C

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