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https://issues.apache.org/jira/browse/TAPESTRY-1888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12540823
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Ezra Epstein commented on TAPESTRY-1888:
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How so. Is there a software limitation - that is, is Tapestry written with the
assumption of a single instance of the filter per JVM? If not then why
restrict it. I don't think skilled developers will shoot themselves in the
foot - just the opposite it frees them to choose how to build apps. And for
novices the tutorial can continue to show the one Filter per web-app approach.
I'm reminded of why people thought Objective-C was bad: it's lack of strong
typing could lead to ambiguity. Yes, and power.
> Support multiple instances of org.apache.tapestry.TapestryFilter per web-app.
> -----------------------------------------------------------------------------
>
> Key: TAPESTRY-1888
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1888
> Project: Tapestry
> Issue Type: Improvement
> Components: tapestry-core
> Affects Versions: 5.0.6
> Environment: All.
> Reporter: Ezra Epstein
>
> Currently one configures org.apache.tapestry.TapestryFilter via a
> context-param. It would be really handy to be able to configure via an
> init-param. If the TapestryFilter is coded so that there may be multiple
> instances for a given app then it would be easier to roll up sub-sites into a
> single site. Thus allowing multiple, different packages to be specified as
> the tapestry.app-pacakge. E.g.,
> <filter>
> <filter-name>tapestry1</filter-name>
> <filter-class>org.apache.tapestry.TapestryFilter</filter-class>
> <init-param>
> <param-name>app-package</param-name>
> <param-value>com.foo.bar.web</param-value>
> </init-param>
> </filter>
> <filter>
> <filter-name>tapestry2</filter-name>
> <filter-class>org.apache.tapestry.TapestryFilter</filter-class>
> <init-param>
> <param-name>app-package</param-name>
> <param-value>com.foo.bar.subsite</param-value>
> </init-param>
> </filter>
> It also would keep the web.xml file a bit tidier.
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