[Doc] Java API: add information on JBoss EAP

Closes #3445.

(cherry picked from commit 26a0976)
Typo in error message with too few points for geo polygon filter.

Closes #8767
Docs: Added a command to start elasticsearch on bootup on Debian.

Close #8600
Docs: Add instructions to start elasticsearch on bootup on RHEL/Fedora.
[TESTS] Use a _default_ template to load field data lazily

Previously it was possible for the field data clearing in this test to
take too long, causing the test to time out.

This also switches to using `scaledRandomIntBetween` for the number of
fields.
[TESTS] Log what the _default_ template is in ElasticsearchIntegrationTest