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I have set up Tomcat cluster, behiind Apache Httpd server, with 2 nodes. I read the Tomcat documentation at Tomcat cluster how to and the first requirement is:"All your session attributes must implement java.io.Serializable". I've done and session replication, failover mechanism seems to work. Now I'm using a framework for Web app develop and it seems that the object classes that are stored in the session don't implement Serializable. I'm looking for a workaround to solve this problem in the simplier manner. I've read a lot of questions/answer but not solution so far. Any idea? Tomcat version 7.0.76. Thank you.

Marco Napoletano
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  • Check [this](https://github.com/rover886/tomcat-pysession-server#tomcat-pysession-server-with-zero-or-no-change-in-java-code) library by which Tomcat cluster is no more needed. – Amogh Jun 15 '18 at 10:22
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    Talk to the framework authors? This seems like a very common use-case, and implementing `Serializable` doesn't seem that difficult. If you have large amounts of data in your session, you may want to reconsider whether or not session-replication is a good idea. – Christopher Schultz Oct 24 '18 at 13:32

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