[jira] Assigned: (SYNAPSE-532) Dependency Management in Synapse

["Ruwan Linton (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SYNAPSE-532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruwan Linton reassigned SYNAPSE-532:
------------------------------------

    Assignee: Hiranya Jayathilaka

Hiranya, will you be able to have a look at this?

> Dependency Management in Synapse
> --------------------------------
>
>                 Key: SYNAPSE-532
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-532
>             Project: Synapse
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Saliya Ekanayake
>            Assignee: Hiranya Jayathilaka
>         Attachments: diag1.jpeg, diag2.jpeg
>
>
> At present Synapse may fail due to dangling references. As an example consider a proxy service which refers to a sequence. If the sequence definition is not there it will be a dangling reference and Synapse will fail to mediate properly.
> The following items are the possible items on which others may depend.
> 1. sequences
> 2. endpoints
> 3. local entries
> 4. resources in the registry (remote)
> A way to overcome the issue is to resolve dependencies at start up. This, however, has an issue since we cannot distinguish between references for local entries and for registry. If we force the user to have all the referring items either in local entries or in registry prior to start Synapse, then we can clearly identify missing resources. Anyway if the user removes a used resource from registry then again Synapse will not be able to handle it. Therefore, IMHO it will be good to omit the dependency management on registry resources and focus only on whatever the information available in synapse.xml. 

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