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Deployment in JBoss - Cannot add servlet context listener from a programatically added listener  XML
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CaptainCasa

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Joined: 21/11/2007 12:23:06
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The message "Cannot add servlet context listener from a programatically added listener" is shown during JBoss startup.

Please follow the JavaDoc of class CCServletContainerIInitializer. This means:

1. create file META-INF/services/javax.servlet.ServletContainerInitializer - a template file is available within eclnt_jsfserver.jar (name: META-INF/services/javax.servlet.ServletContainerInitializer_template)

2. Make sure that this file is part of your WEB-INF/classes or WEB-INF/<yourApp>.jar

Now deploy & start again!



Background information is: listeners, filters, servelts are registered via API (and not via web.xml) from Oct 2020 on. This mechanism is triggered by a central context listener (CCServletContextListener) - the last remaining part of CaptainCasa in the web.xml.
In some applicaiton servers this is too late - it is not possible to register new listeners during the processing of another listener. By using above's META-INF way, the triggering is done at the correct point of time.

Björn Müller, CaptainCasa GmbH
 
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