Can't start ElasticSearch service (unknwon setting script.inline)

Elastic Stack Elasticsearch
1

Hello everyone,

I wanted to use a service called TheHive, which rely on ElasticSearch. So I installed it on a Centos 7 computer, and it seems to be working well.
But to use it with TheHive, the following settings are required in the /etc/elasticsearch/elasticsearch.yml file:

network.host: 127.0.0.1
script.inline: true
cluster.name: hive
thread_pool.index.queue_size: 100000
thread_pool.search.queue_size: 100000
thread_pool.bulk.queue_size: 100000

After I added those settings, the process fails to start with the following error, and it seems to say that the insue is my script.inline setting, but I can't find what is wrong:

[2019-02-11T16:24:43,822][ERROR][o.e.b.Bootstrap ] [Ymgo0mz] Exception java.lang.IllegalArgumentException: unknown setting [script.inline] please check that any required plugins are installed, or check the breaking changes documentation for removed settings at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:482) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:427) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:398) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:369) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.SettingsModule.(SettingsModule.java:148) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.node.Node.(Node.java:372) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.node.Node.(Node.java:265) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:212) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) [elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) [elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) [elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.6.0.jar:6.6.0] at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) [elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) [elasticsearch-6.6.0.jar:6.6.0]
[2019-02-11T16:24:43,829][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [Ymgo0mz] uncaught exception in thread [main] org.elasticsearch.bootstrap.StartupException: java.lang.IllegalArgumentException: unknown setting [script.inline] please check that any required plugins are installed, or check the breaking changes documentation for removed settings at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.6.0.jar:6.6.0] at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.6.0.jar:6.6.0] Caused by: java.lang.IllegalArgumentException: unknown setting [script.inline] please check that any required plugins are installed, or check the breaking changes documentation for removed settings at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:482) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:427) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:398) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.AbstractScopedSettings.validate(AbstractScopedSettings.java:369) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.common.settings.SettingsModule.(SettingsModule.java:148) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.node.Node.(Node.java:372) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.node.Node.(Node.java:265) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:212) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.6.0.jar:6.6.0] at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-6.6.0.jar:6.6.0] ... 6 more```
2

In Elasticsearch 6 the old script.inline has been renamed script.source, see how to use scripts.

3

I get the exact same error when I change :

network.host: 127.0.0.1
script.inline: true
cluster.name: hive
thread_pool.index.queue_size: 100000
thread_pool.search.queue_size: 100000
thread_pool.bulk.queue_size: 100000

to

network.host: 127.0.0.1
script.source: true
cluster.name: hive
thread_pool.index.queue_size: 100000
thread_pool.search.queue_size: 100000
thread_pool.bulk.queue_size: 100000
4

Okay, so after reading a bit more deeply the documentation about scripting, inline scripting is enabled by default such as every other scripting methods. Thus the parameter can simply be removed like so:

network.host: 127.0.0.1
cluster.name: hive
thread_pool.index.queue_size: 100000
thread_pool.search.queue_size: 100000
thread_pool.bulk.queue_size: 100000
5

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