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Gian Merlino ef6811ef88
Improved Java 17 support and Java runtime docs. (#12839) 
* Improved Java 17 support and Java runtime docs.

1) Add a "Java runtime" doc page with information about supported
   Java versions, garbage collection, and strong encapsulation..

2) Update asm and equalsverifier to versions that support Java 17.

3) Add additional "--add-opens" lines to surefire configuration, so
   tests can pass successfully under Java 17.

4) Switch openjdk15 tests to openjdk17.

5) Update FrameFile to specifically mention Java runtime incompatibility
   as the cause of not being able to use Memory.map.

6) Update SegmentLoadDropHandler to log an error for Errors too, not
   just Exceptions. This is important because an IllegalAccessError is
   encountered when the correct "--add-opens" line is not provided,
   which would otherwise be silently ignored.

7) Update example configs to use druid.indexer.runner.javaOptsArray
   instead of druid.indexer.runner.javaOpts. (The latter is deprecated.)

* Adjustments.

* Use run-java in more places.

* Add run-java.

* Update .gitignore.

* Exclude hadoop-client-api.

Brought in when building on Java 17.

* Swap one more usage of java.

* Fix the run-java script.

* Fix flag.

* Include link to Temurin.

* Spelling.

* Update examples/bin/run-java

Co-authored-by: Xavier Léauté <xl+github@xvrl.net>

Co-authored-by: Xavier Léauté <xl+github@xvrl.net>
 		2022-08-03 23:16:05 -07:00
..
core fix: update footer copyright year (#12594) 2022-06-13 16:29:58 -07:00
i18n Docs refactor of ingestion. Carries #11541 (#11576) 2021-08-13 08:42:03 -07:00
pages/en Docusaurus build framework + ingestion doc refresh. (#8311) 2019-08-20 21:48:59 -07:00
script Graduation update for ASF release process guide and download links (#9126) 2020-01-06 15:00:33 -06:00
scss fix website build (#10172) 2020-07-11 22:01:43 -07:00
static fix website build (#10172) 2020-07-11 22:01:43 -07:00
.gitignore Docusaurus build framework + ingestion doc refresh. (#8311) 2019-08-20 21:48:59 -07:00
.spelling Improved Java 17 support and Java runtime docs. (#12839) 2022-08-03 23:16:05 -07:00
README.md Updates to source and doc build pages (#11464) 2021-07-20 18:07:34 -07:00
package-lock.json Bump eventsource from 1.0.7 to 1.1.1 in /website (#12596) 2022-06-01 22:04:04 -07:00
package.json Druid Quickstart refactor and update (#9766) 2020-04-30 12:07:28 -07:00
pom.xml Bump up the versions (#12480) 2022-04-27 14:28:20 +05:30
redirects.json fix website build (#10172) 2020-07-11 22:01:43 -07:00
sidebars.json Improved Java 17 support and Java runtime docs. (#12839) 2022-08-03 23:16:05 -07:00
siteConfig.js De-incubation cleanup in code, docs, packaging (#9108) 2020-01-03 12:33:19 -05:00

README.md

Druid doc builder

This website was created with Docusaurus.

To view documentation run:

npm install

Then run:

npm start

The current version of the web site appears in your browser. Edit pages with your favorite editor. Refresh the web page after each edit to review your changes.

Dependencies

  • NodeJS. Use the version Docusaurus specifies, not a newer one. (For example, if 12.x is requested, don't install 16.x.) Docusaurus may require a version newer than that available in your Linux package repository, but older than the latest version. See this page to find the version required by Docusaurus.
  • The Yarn dependency from Docusaurus is optional. (This Yarn is not the Hadoop resource manager, it is a package manager for Node.js).
  • Docusaurus. Installed automatically as part of the the above npm commands.

Variables

Documentation pages can refer to a number of special variables using the {{var}} syntax:

  • DRUIDVERSION - the version of Druid in which the page appears. Allows creating links to files of the same version on GitHub.

The variables are not replaced when running the web site locally using the start command above.

Spellcheck

Please run a spellcheck before issuing a pull request to avoid a build failure due to spelling issues. Run:

npm run link-lint
npm run spellcheck

If you introduce new (correctly spelled) project names or technical terms, add them to the dictionary in the .spelling file in this directory. Also, terms enclosed in backticks are not spell checked. Example: `symbolName`