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From "Viktor Kozlov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KARAF-4169) Blueprint creates unnecessary prototype bean instances
Date Fri, 04 Dec 2015 09:14:11 GMT

     [ https://issues.apache.org/jira/browse/KARAF-4169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Viktor Kozlov updated KARAF-4169:
---------------------------------
    Priority: Critical  (was: Major)

> Blueprint creates unnecessary prototype bean instances
> ------------------------------------------------------
>
>                 Key: KARAF-4169
>                 URL: https://issues.apache.org/jira/browse/KARAF-4169
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-core
>    Affects Versions: 4.0.3
>         Environment: Windows 7 version 6.1 x64
> Java 1.7.0_80 x64
>            Reporter: Viktor Kozlov
>            Priority: Critical
>
> After creating all necessary prototype instances, blueprint create one more instance
for each prototype bean. It can be a huge trouble when there is deep prototype bean tree.
> Here is simple example to demonstrate it: http://www.lorien.biz/karaf/test.zip
> -- normal creation --
> Server1 create bpt.test.internal.Server1@67ea2a02
> Server2 create bpt.test.internal.Server2@72af85f3
> Consumer1 create bpt.test.internal.Consumer1@35fc15f7
> injected_s1 bpt.test.internal.Server1@67ea2a02
> injected_s2 bpt.test.internal.Server2@72af85f3
> MyServlet create bpt.test.internal.MyServlet@612307e7
> injected_c bpt.test.internal.Consumer1@35fc15f7
> -- normal creation ends --
> -- unnecessary creation of Server 1 --
> Server1 create bpt.test.internal.Server1@6f878ffd
> -- unnecessary creation of Server 1 ends --
> -- unnecessary creation of Server 2 --
> Server2 create bpt.test.internal.Server2@2cfe643f
> -- unnecessary creation of Server 2 ends --
> -- unnecessary creation of Consumer (with its all dependencies which are prototypes too)
--
> Server1 create bpt.test.internal.Server1@71677b2c
> Server2 create bpt.test.internal.Server2@40c7bfde
> Consumer1 create bpt.test.internal.Consumer1@7a05a90b
> injected_s1 bpt.test.internal.Server1@71677b2c
> injected_s2 bpt.test.internal.Server2@40c7bfde
> -- unnecessary creation of Consumer ends -- 



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