While upgrading JBOSS to Wildfly, we may observer below Exception:
to /Sample/eventchannel: java.lang.IllegalStateException:
UT010026: Async is not supported for this request, as not all filters or Servlets were
marked as supporting async"
In order to avoid this error,
Upgrade the Servelet Jar version above 3.0
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
Enjoy Learning.
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