# Can't find jar matching scala-compiler.\*\\.jar while 'mvn gatling:execute'

**URL:** <https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983>\
**Category:** Gatling (Open-Source)\
**Created:** [October 12, 2017, 10:28am UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983 "2017-10-12T10:28:04Z")\
**Posts on this page:** 12\
**Page:** 1

<div class="post-metadata">

**Author:** ![Aria](https://avatars.discourse-cdn.com/v4/letter/a/67e7ee/32.png) [@Aria](https://community.gatling.io/u/Aria)\
**Post date:** [October 12, 2017, 10:28am UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/1 "2017-10-12T10:28:04Z")

</div>

When i try to ‘$mvn gatling:execute’, it errors out saying

ERROR in ch.qos.logback.core.joran.spi.Interpreter@5:19 - no applicable action for [immediateFlush], current ElementPath is [[configuration][appender][immediateFlush]]

And the exception i see is:

java.lang.reflect.InvocationTargetException  
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)  
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
at java.lang.reflect.Method.invoke(Method.java:498)  
at io.gatling.mojo.MainWithArgsInFile.runMain(MainWithArgsInFile.java:50)  
at io.gatling.mojo.MainWithArgsInFile.main(MainWithArgsInFile.java:33)  
Caused by: java.lang.RuntimeException: Can’t find the jar matching scala-compiler.\*.jar$  
at io.gatling.compiler.ZincCompiler$$anonfun$jarMatching$1$2.apply(ZincCompiler.scala:117)  
at io.gatling.compiler.ZincCompiler$$anonfun$jarMatching$1$2.apply(ZincCompiler.scala:117)  
at scala.Option.getOrElse(Option.scala:120)  
at io.gatling.compiler.ZincCompiler$.jarMatching$1(ZincCompiler.scala:117)  
at io.gatling.compiler.ZincCompiler$.io$gatling$compiler$ZincCompiler$$setupZincCompiler(ZincCompiler.scala:119)  
at io.gatling.compiler.ZincCompiler$delayedInit$body.apply(ZincCompiler.scala:137)  
at scala.Function0$class.apply$mcV$sp(Function0.scala:40)  
at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)  
at scala.App$$anonfun$main$1.apply(App.scala:71)  
at scala.App$$anonfun$main$1.apply(App.scala:71)  
at scala.collection.immutable.List.foreach(List.scala:318)  
at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)  
at scala.App$class.main(App.scala:71)  
at io.gatling.compiler.ZincCompiler$.main(ZincCompiler.scala:36)  
at io.gatling.compiler.ZincCompiler.main(ZincCompiler.scala)  
… 6 more

Please let me know how to go about with this.

Thank you

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<div class="post-metadata">

**Author:** ![Ram\_Kamath](https://avatars.discourse-cdn.com/v4/letter/r/2acd7d/32.png) [@Ram\_Kamath](https://community.gatling.io/u/Ram_Kamath)\
**Post date:** [November 1, 2017, 9:29am UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/2 "2017-11-01T09:29:45Z")

</div>

Did you find the solution? I am facing same error and have No idea why.

`

\<?xml version="1.0" encoding="UTF-8"?\>

4.0.0  
tests  
1.0.0-SNAPSHOT  
Performance Test  
  
showcase  
XYZ  
1.0-SNAPSHOT  
  
  
\<gatling.version\>2.3.0\</gatling.version\>

io.gatling.highcharts gatling-highcharts ${gatling.version} pom test org.scala-lang scala-reflect 2.13.0-M2 io.gatling gatling-core ${gatling.version} org.scala-lang scala-compiler 2.13.0-M2 io.gatling gatling-maven-plugin 3.0.0-M1 target/gatling/results src/test/resources/bodies src/test/scala true true RecordedSimulation true test execute

`

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<div class="post-metadata">

**Author:** ![Siegfried\_Goeschl](https://avatars.discourse-cdn.com/v4/letter/s/3d9bf3/32.png) [@Siegfried\_Goeschl](https://community.gatling.io/u/Siegfried_Goeschl)\
**Post date:** [November 24, 2017, 12:43am UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/3 "2017-11-24T00:43:12Z")

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Hi folks,

I just migrated to Gatling 2.3.0 and remember seeing this error - maybe [https://github.com/sgoeschl/gatling-blueprint-project/blob/master/pom.xml](https://github.com/sgoeschl/gatling-blueprint-project/blob/master/pom.xml) might help

Thanks in advance, Siegfried Goeschl

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<div class="post-metadata">

**Author:** ![Ashley\_Hindmarsh](https://avatars.discourse-cdn.com/v4/letter/a/54ee81/32.png) [@Ashley\_Hindmarsh](https://community.gatling.io/u/Ashley_Hindmarsh)\
**Post date:** [November 28, 2017, 12:47pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/4 "2017-11-28T12:47:17Z")

</div>

Same here - dropped back to 2.2.4 for now.

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<div class="post-metadata">

**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [November 28, 2017, 12:55pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/5 "2017-11-28T12:55:24Z")

</div>

No idea what you do but the problem is definitively on your side.  
The demo works just fine: [https://github.com/gatling/gatling-maven-plugin-demo/blob/master/pom.xml](https://github.com/gatling/gatling-maven-plugin-demo/blob/master/pom.xml)

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<div class="post-metadata">

**Author:** ![Jan\_Monterrubio](https://avatars.discourse-cdn.com/v4/letter/j/ebca7d/32.png) [@Jan\_Monterrubio](https://community.gatling.io/u/Jan_Monterrubio)\
**Post date:** [December 22, 2017, 10:07pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/6 "2017-12-22T22:07:22Z")

</div>

It happens when I try to run “mvn install io.gatling:gatling-maven-plugin:test” (just the plugin directly). Simulations and running the Engine work directly (through IntelliJ)

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<div class="post-metadata">

**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [December 22, 2017, 10:13pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/7 "2017-12-22T22:13:11Z")

</div>

Again, please provide a reproducer.  
You can check for yourself that the command you provided works just fine against the demo: [https://github.com/gatling/gatling-maven-plugin-demo](https://github.com/gatling/gatling-maven-plugin-demo/blob/master/pom.xml)

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<div class="post-metadata">

**Author:** ![Jan\_Monterrubio](https://avatars.discourse-cdn.com/v4/letter/j/ebca7d/32.png) [@Jan\_Monterrubio](https://community.gatling.io/u/Jan_Monterrubio)\
**Post date:** [December 22, 2017, 10:56pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/8 "2017-12-22T22:56:17Z")

</div>

Using gatling-maven-plugin 2.2.4 and gatling 2.3.0 fixes this problem (no definition of the scala compiler in my pom)

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<div class="post-metadata">

**Author:** ![Robert\_Bain](https://avatars.discourse-cdn.com/v4/letter/r/b77776/32.png) [@Robert\_Bain](https://community.gatling.io/u/Robert_Bain)\
**Post date:** [June 27, 2018, 8:03pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/9 "2018-06-27T20:03:03Z")

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I had the same problem. I followed the link to the [working demo pom](https://github.com/gatling/gatling-maven-plugin-demo/blob/master/pom.xml) and used their versions and the most recent version of gatling on maven central (2.3.1 at time of writing).

The problem persisted. I noticed the following dependency in the pom I was using that was not in the demo pom:

`<dependency>`  
`<groupId>org.scala-lang</groupId>`  
`<artifactId>scala-library</artifactId>`  
`<version>${scala.version}</version>`  
`</dependency>`

When I removed this, it worked.

I tried upgrading gatling-maven-plugin but any 3x version did not work. Here are the versions that worked for me:

`

\<gatling.version\>2.3.1\</gatling.version\>  
\<gatling-maven-plugin.version\>2.2.4\</gatling-maven-plugin.version\>  
\<scala-maven-plugin.version\>3.3.2\</scala-maven-plugin.version\>  
  
`

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<div class="post-metadata">

**Author:** ![Shaun\_Thompson](https://avatars.discourse-cdn.com/v4/letter/s/f04885/32.png) [@Shaun\_Thompson](https://community.gatling.io/u/Shaun_Thompson)\
**Post date:** [September 26, 2018, 4:25pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/10 "2018-09-26T16:25:06Z")

</div>

Had the exact same problem when using the latest releases of the plugins.

`

\<gatling.version\>2.3.1\</gatling.version\>  
\<gatling-maven-plugin.version\>3.0.0\</gatling-maven-plugin.version\>  
\<scala-maven-plugin.version\>3.4.2\</scala-maven-plugin.version\>

`

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<div class="post-metadata">

**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [September 26, 2018, 4:26pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/11 "2018-09-26T16:26:30Z")

</div>

Maven plugin 3 is to be used with Gatling 3, not 2.

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<div class="post-metadata">

**Author:** ![Shaun\_Thompson](https://avatars.discourse-cdn.com/v4/letter/s/f04885/32.png) [@Shaun\_Thompson](https://community.gatling.io/u/Shaun_Thompson)\
**Post date:** [September 26, 2018, 4:31pm UTC](https://community.gatling.io/t/cant-find-jar-matching-scala-compiler-jar-while-mvn-gatling-execute/3983/12 "2018-09-26T16:31:37Z")

</div>

That was simple enough!

Using the following versions bypassed the error above.

`

\<gatling.version\>3.0.0-RC2\</gatling.version\>  
\<gatling-maven-plugin.version\>3.0.0\</gatling-maven-plugin.version\>  
\<scala-maven-plugin.version\>3.4.2\</scala-maven-plugin.version\>

`