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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| ## FAQ | ||
|
|
||
| ### How can I use PureConfig with Spark 2.1.0 (problematic shapeless dependency)? | ||
|
|
||
| Apache Spark (specifically version 2.1.0) has a transitive dependency | ||
| on [shapeless](https://github.com/milessabin/shapeless) 2.0.0. This version is | ||
| too old to be used by PureConfig, making your Spark project fail when using | ||
| `spark-submit`. The solution is to shade, i.e. rename, the version of shapeless | ||
| used by PureConfig. | ||
|
|
||
| #### SBT | ||
|
|
||
| If you are using the [sbt-assembly](https://github.com/sbt/sbt-assembly) plugin | ||
| to create your JARs you | ||
| can [shade](https://github.com/sbt/sbt-assembly#shading) shapeless by | ||
| adding | ||
|
|
||
| ```scala | ||
| assemblyShadeRules in assembly := Seq(ShadeRule.rename("shapeless.**" -> "new_shapeless.@1").inAll) | ||
| ``` | ||
|
|
||
| to your `assembly.sbt` file. | ||
|
|
||
| #### Maven | ||
|
|
||
| The [maven-shade-plugin](https://maven.apache.org/plugins/maven-shade-plugin/) | ||
| can shade shapeless by adding | ||
|
|
||
| ```xml | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-shade-plugin</artifactId> | ||
| <version>3.0.0</version> | ||
| <executions> | ||
| <execution> | ||
| <phase>package</phase> | ||
| <goals> | ||
| <goal>shade</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| <configuration> | ||
| <createDependencyReducedPom>false</createDependencyReducedPom> | ||
| <relocations> | ||
| <relocation> | ||
| <pattern>shapeless</pattern> | ||
| <shadedPattern>shapelesspureconfig</shadedPattern> | ||
| </relocation> | ||
| </relocations> | ||
| </configuration> | ||
| </plugin> | ||
| ``` | ||
|
|
||
| to your `pom.xml` file. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| ## FAQ | ||
|
|
||
| ### How can I use PureConfig with Spark 2.1.0 (problematic shapeless dependency)? | ||
|
|
||
| Apache Spark (specifically version 2.1.0) has a transitive dependency | ||
| on [shapeless](https://github.com/milessabin/shapeless) 2.0.0. This version is | ||
| too old to be used by PureConfig, making your Spark project fail when using | ||
| `spark-submit`. The solution is to shade, i.e. rename, the version of shapeless | ||
| used by PureConfig. | ||
|
|
||
| #### SBT | ||
|
|
||
| If you are using the [sbt-assembly](https://github.com/sbt/sbt-assembly) plugin | ||
| to create your JARs you | ||
| can [shade](https://github.com/sbt/sbt-assembly#shading) shapeless by | ||
| adding | ||
|
|
||
| ```scala | ||
| assemblyShadeRules in assembly := Seq(ShadeRule.rename("shapeless.**" -> "new_shapeless.@1").inAll) | ||
| ``` | ||
|
|
||
| to your `assembly.sbt` file. | ||
|
|
||
| #### Maven | ||
|
|
||
| The [maven-shade-plugin](https://maven.apache.org/plugins/maven-shade-plugin/) | ||
| can shade shapeless by adding | ||
|
|
||
| ```xml | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-shade-plugin</artifactId> | ||
| <version>3.0.0</version> | ||
| <executions> | ||
| <execution> | ||
| <phase>package</phase> | ||
| <goals> | ||
| <goal>shade</goal> | ||
| </goals> | ||
| </execution> | ||
| </executions> | ||
| <configuration> | ||
| <createDependencyReducedPom>false</createDependencyReducedPom> | ||
| <relocations> | ||
| <relocation> | ||
| <pattern>shapeless</pattern> | ||
| <shadedPattern>shapelesspureconfig</shadedPattern> | ||
| </relocation> | ||
| </relocations> | ||
| </configuration> | ||
| </plugin> | ||
| ``` | ||
|
|
||
| to your `pom.xml` file. |