[jira] [Created] (UNOMI-480) Default configuration for monthlyIndexOverride is wrong, could cause major data integrity issues when upgrading

["Serge Huber (Jira)" <ji...@apache.org>]

Serge Huber created UNOMI-480:
---------------------------------

             Summary: Default configuration for monthlyIndexOverride is wrong, could cause major data integrity issues when upgrading
                 Key: UNOMI-480
                 URL: https://issues.apache.org/jira/browse/UNOMI-480
             Project: Apache Unomi
          Issue Type: Bug
          Components: core
    Affects Versions: 1.5.5
            Reporter: Serge Huber
            Assignee: Serge Huber
             Fix For: 1.5.6


The default value for the following setting:

{code}
        <property name="itemsMonthlyIndexedOverride" value="${es.monthlyIndex.itemsMonthlyIndexedOverride}" />
{code}

does not work properly because since the referenced value doesn't exist Blueprint uses the marker as a value instead of an empty string (was expected).

The consequence is that the event and session item types are not monthly indexes anymore, which has the following consequences:
- existing data sets will create a new context-event and context-session index
- all old context-event-date-* and context-session-date-* indices will no longer be used and queries for the data will not work
- external tools such as Kibana will not work either

As this is a major data model bug, it is being flagged critical and a special release will be prepared for it. It is recommended that all users avoid using 1.5.5 and wait for 1.5.6 instead.




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