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Clarify IntelliJ IDEA Jar Hell fix (#27635)

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Catalin Ursachi 2017-12-05 22:39:01 +00:00 committed by Ryan Ernst
parent 8139e3a1c7
commit e584c52017
1 changed files with 9 additions and 10 deletions
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CONTRIBUTING.md
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@ -111,19 +111,18 @@ then `File->New Project From Existing Sources`. Point to the root of
the source directory, select
`Import project from external model->Gradle`, enable
`Use auto-import`. In order to run tests directly from
IDEA 2017.2 and above it is required to disable IDEA run launcher to avoid
finding yourself in "jar hell", which can be achieved by adding the
IDEA 2017.2 and above, it is required to disable the IDEA run launcher in order to avoid
`idea_rt.jar` causing "jar hell". This can be achieved by adding the
`-Didea.no.launcher=true` [JVM
option](https://intellij-support.jetbrains.com/hc/en-us/articles/206544869-Configuring-JVM-options-and-platform-properties)
or by adding `idea.no.launcher=true` to the
option](https://intellij-support.jetbrains.com/hc/en-us/articles/206544869-Configuring-JVM-options-and-platform-properties).
Alternatively, `idea.no.launcher=true` can be set in the
[`idea.properties`](https://www.jetbrains.com/help/idea/file-idea-properties.html)
file which can be accessed under Help > Edit Custom Properties within IDEA. You
may also need to [remove `ant-javafx.jar` from your
file which can be accessed under Help > Edit Custom Properties (this will require a
restart of IDEA). For IDEA 2017.3 and above, in addition to the JVM option, you will need to go to
`Run->Edit Configurations...` and change the value for the `Shorten command line` setting from
`user-local default: none` to `classpath file`. You may also need to [remove `ant-javafx.jar` from your
classpath](https://github.com/elastic/elasticsearch/issues/14348) if that is
reported as a source of jar hell. Additionally, in order to run tests directly
from IDEA 2017.3 and above, go to `Run->Edit Configurations...` and change the
value for the `Shorten command line` setting from `user-local default: none` to
`classpath file`.
reported as a source of jar hell.
The Elasticsearch codebase makes heavy use of Java `assert`s and the
test runner requires that assertions be enabled within the JVM. This