Can you create a ticket for this Mathias? Should be a quick fix in core
openmrs that's backported to previous versions.

Ben
On May 1, 2012 8:10 AM, "Mathias Lin | Meta Healthcare" <
[email protected]> wrote:

> I got it working on CloudBees now by implementing Serializable interface
> for
> org.openmrs.api.context.UserContext and redeploying.
>
> FYI - this is the reply from the CloudBees support:
>
> "Data stored in HTTP session are recommended (but not strictly required) by
> servlet specification to be serializable, so that container can save
> memory by
> storing inactive sessions on disk or replicate data on other nodes for
> clustering.
> Cloudbees RUN@Cloud is designed to support horizontal elasticity and make
> this
> a requirement. This avoid you to discover later that your application
> won't scale
> ...
>
> The standard tomcat setup don't enforce this as the session replication
> isn't
> enable by default, so you may not see this error running locally. In many
> cases,
> this is *only* a minor error from (lazy ?) developers who forgot making
> http
> session data implements java.io.Serializable, and adding this interface
> just fixes
> the issue."
>
>
>
> On Tue, 1 May 2012 18:52:53 +0800, Mathias Lin | Meta Healthcare
> <[email protected]> wrote:
>
> >I'm currently testing different PaaS to deploy OpenMRS in the cloud,
> >mainly for demo and dev purposes, not necessarily for production.
> >Today I've tried to deploy it to Jelastic, CloudFoundry and CloudBees,
> >with various different results. You can follow the status in on
> >Answers:
> >https://answers.openmrs.org/questions/526/has-anyone-deployed-openmrs-
> on-heroku?page=1#597
> >
> >There is one issue I am wondering about during my deployment on
> >CloudBees: the setup went through without problems, but afterwards,
> >when trying to access the index.htm, I am getting the following error
> >(OpenMRS 1.8.3, Tomcat6, MySql5.1):
> >
> >java.lang.IllegalArgumentException: setAttribute: Non-serializable
> >attribute __openmrs_user_context
>
> >org.apache.catalina.session.StandardSession.setAttribute(StandardSession.jav
> a:1351)
>
> >org.apache.catalina.session.StandardSession.setAttribute(StandardSession.jav
> a:1312)
>
> >org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessi
> onFacade.java:130)
>
> >org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:89)
>
> >org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequest
> Filter.java:76)
>
> >org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilter
> Internal(OpenSessionInViewFilter.java:198)
>
> >org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequest
> Filter.java:76)
> >org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83)
> >org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83)
> >org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83)
>
> >org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(Chara
> cterEncodingFilter.java:88)
>
> >org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequest
> Filter.java:76)
> >
> >I googled and found that this error happened to somebody before (User
> >wanswins, he also tried to deploy it on CloudBees), referring to the
> >IRC log
> >https://wiki.openmrs.org/display/IRC/2011-07-12+-+OpenMRS
> >I supposed it's still an open issue, might be CloudBees specific due
> >to their individual environment or configuration. Because on a similar
> >local setup, Tomcat6, JDK6, OpenMRS 1.8.3, I never had this issue
> >before.
> >
> >Also found this general info on StackOverflow:
> >http://stackoverflow.com/questions/790705/java-lang-
> illegalargumentexception-setattribute-non-serializable-attribute
> >
> >I just wanted to place this info and also the link to Answers into the
> >mailing list, in case anybody else is testing with cloud services /
> >PaaS.
> >
> >- Mathias
> >
> >_________________________________________
> >
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> >
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