Build Plugin ElasticSearch have error when UnitTest

Hi,

I writing plugin ElasticSearch by Java and build by maven . But when I run as Maven Test it has error below:

ERROR 0.00s | VietnameseAnalysisIntegrationTest (suite) <<<

Throwable #1: java.lang.RuntimeException: found jar hell in test classpath
at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:95)
at org.elasticsearch.test.ESTestCase.(ESTestCase.java:197)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:592)
Caused by: java.lang.IllegalStateException: jar hell!
class: com.sun.jna.AltCallingConvention
jar1: /home/trantrungtruc/.m2/repository/org/elasticsearch/jna/4.5.1/jna-4.5.1.jar
jar2: /home/trantrungtruc/.m2/repository/net/java/dev/jna/jna/4.1.0/jna-4.1.0.jar
at org.elasticsearch.bootstrap.JarHell.checkClass(JarHell.java:273)
at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:190)
at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:86)
at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:93)
... 4 more
Completed [1/2 (1!)] in 0.45s, 0 tests, 1 error <<< FAILURES!

Suite: org.elasticsearch.index.analysis.VietnameseAnalysisTest
ERROR 0.00s | VietnameseAnalysisTest.initializationError <<<

Throwable #1: java.lang.NoClassDefFoundError: org.elasticsearch.test.ESTestCase
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at com.carrotsearch.randomizedtesting.ClassModel$3.members(ClassModel.java:215)
at com.carrotsearch.randomizedtesting.ClassModel$3.members(ClassModel.java:212)
at com.carrotsearch.randomizedtesting.ClassModel$ModelBuilder.build(ClassModel.java:85)
at com.carrotsearch.randomizedtesting.ClassModel.methodsModel(ClassModel.java:212)
at com.carrotsearch.randomizedtesting.ClassModel.(ClassModel.java:207)
at com.carrotsearch.randomizedtesting.RandomizedRunner.(RandomizedRunner.java:329)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33)
at com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:238)
at com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:354)
at com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:10)
Completed [2/2 (2!)] in 0.00s, 1 test, 1 error <<< FAILURES!

Everyone can help me ? Thanks !!!

jar1: /home/trantrungtruc/.m2/repository/org/elasticsearch/jna/4.5.1/jna-4.5.1.jar
jar2: /home/trantrungtruc/.m2/repository/net/java/dev/jna/jna/4.1.0/jna-4.1.0.jar

You are having in your classpath 2 jars. You should exclude net/java/dev/jna/jna/4.1.0/jna-4.1.0.jar from your build I think.
If you are using maven, run:

mvn dependency:tree

To see which dependency is bringing this jar and exclude it in your pom.xml.

About

Throwable #1: java.lang.NoClassDefFoundError: org.elasticsearch.test.ESTestCase

May be you did not include all the needed libs for testing? How did you build your project?

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