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Editorial Team
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Asked: 2026-05-11T23:39:10+00:00

For a background job which I would like to run in a J2EE container,

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For a background job which I would like to run in a J2EE container, I found the suggestion to create a startup servlet and use the Timer Service API to create a managed Timer (in the answers for What tools are there for timed batch processes in J2EE?).

To create a timer, I need a context which implements the timer API. (Example)

In the Servlet class, I override the init method, but it has only access to a ServletContext, but not to a SessionContext. A ServletContext does not have methods to create timers, so I am stuck here.

How can I access the J2EE timer service in the startup code of a servlet?

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1 Answer

  1. Editorial Team

    Whenever I hear timer job, I can’t help but think that this should be separated from a Java EE app server. You can use something like Quartz, or an operating system scheduled task, or a batch manager like AutoSys, but embedding it into a servlet seems like a misuse of servlets to me.

    Java EE 5 containers have a TimerService that’s an EJB. Perhaps this will help you sort it out.

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