Github user franz1981 commented on the issue: https://github.com/apache/activemq-artemis/pull/1997 @nlippke @mtaylor I have updated this PR to avoid issues with concurrent creations of tables/indexes for the JDBC Journal with Oracle (there is a test attached): when a table seems to exists both CREATE TABLE and CREATE INDEX statements are no longer used to initialize it. That is useful to allow a shared store to concurrently start 2 journals on the same database and while rebooting the broker with an empty journal (table already existent, but empty ie no need to create index twice). That means that a DBA should take care to create table and indexes (if any), but if it will just create tables, the broker won't create any index on them, wdyt?
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