[jira] [Assigned] (MINIFICPP-1802) We should not make http calls to AWS during initialization

["Gábor Gyimesi (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MINIFICPP-1802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gábor Gyimesi reassigned MINIFICPP-1802:
----------------------------------------

    Assignee: Gábor Gyimesi

> We should not make http calls to AWS during initialization
> ----------------------------------------------------------
>
>                 Key: MINIFICPP-1802
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-1802
>             Project: Apache NiFi MiNiFi C++
>          Issue Type: Bug
>    Affects Versions: 0.10.0, 0.11.0
>            Reporter: Marton Szasz
>            Assignee: Gábor Gyimesi
>            Priority: Major
>
> When producing the first heartbeat, BuildDescription::getClassDescriptions instantiates *every single class* of each loader. In the case of AWS, the processors happen to derive from S3Processor, and they contain a data member of type Aws::Client::ClientConfiguration, whose default constructor makes HTTP calls to AWS.
> The easy fix is to delay the initialization of this particular member to onSchedule.
> The proper fix is to change the class loading and class description generation logic to store more metadata about classes that are collected at registration time, using compile-time introspection, instead of instantiating the classes and using dynamic_cast.
> This issue is about the easy fix. For the proper fix, see MINIFICPP-1803.



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