Deploying war in WildFly 28 - [How to use javax.servlet.Servlet instead jakarta.servlet.Servlet]

[Madhava Alampally]

Hi Team: 

When I'm deploying my application war in WildFly 28, deployment is failing with the following error message. Can you please provide some guidance on this.

\"WFLYCTL0080: Failed services\" => {\"jboss.deployment.subunit.\\\"c2oear-snapshot.ear\\\".\\\"web-snapshot.war\\\".undertow-deployment.UndertowDeploymentInfoService\" => \"Failed to start service
    Caused by: java.lang.IllegalArgumentException: UT010009: Servlet ContextSensitiveHelp of type class com.ca.pam.server.ContextSensitiveHelp does not implement jakarta.servlet.Servlet\"},
   

Why it's forcing to use jakarta.servlet.Servlet?

How to exclude jakarta.servlet.Servlet for deployment and use javax.servlet.Servlet?

Thanks & Regards,

Madhava

[Chao Wang]

Hi, Jakarta EE 8 and EE 9.1 are no longer supported beginning with the standard WildFly 27 release. see https://www.wildfly.org/news/2022/11/09/WildFly27-Final-Released/ You need to update your application code to adapt this API change.

Otherwise, you can use WildFly Preview Distribution which could still transform the existing EE 8 application from javax.* to jakarta.*.

See more in https://docs.wildfly.org/28/WildFly_and_WildFly_Preview.html#wildfly-preview-support-for-ee-8-deployments and example https://groups.google.com/g/wildfly/c/znDwTiHsD-4/m/h7CMl6FbAAAJ

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-- 
Chao

[Madhava Alampally]

Thank you so much Chao for the prompt response.

We are not using anay Jakarta API in our code. Our Servlets are implementing the javax.servlet.http.HttpServlet

However, deployment is failing and the error related to "jakarta.servlet.Servlet".

Not sure why jakarta.servlet.Servlet are coming into picture.

Is there any option to exclude "jakarta.servlet.Servlet" from deployment ?

Thanks & Regards

Madhava

[Chao Wang]

Hi, you need to update your Servlets code to implement jakarta.servlet.http.HttpServlet or use the transformer provided in WildFly Preview Distribution.

-- 
Chao

[Madhava Alampally]

ohk. Got it. Thank you so much. Let me try to modify and deploy it again to see how it works.

Thanks & Regards

Madhava