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Editorial Team
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Asked: 2026-06-03T15:12:15+00:00

I need to built a thread/process that is always running, and can be queried

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  • I need to built a thread/process that is always running, and can be queried through other servelts and JSP pages…
  • This thread/process will be dealing with large files, so it will cache file blocks to reduce file accesses (plus some other processing)…
  • So, that thread/process will be loaded and waiting for any queries coming, to answer… as long as the server is running.

I though about making a static class common between all the servelt classes, but I found out that will not work (tomcat deals with each new servelt as a totally new program)

So what are the other options I can try??

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1 Answer

  1. Editorial Team

    I think you have two options:

    1. Use the ServletContext to access application-wide scope objects.
    2. Use a more sophisticated solution, such as ehcache to put your data in memory.
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