scala - java.lang.NoClassDefFoundError: org/apache/lucene/codecs/simpletext/SimpleTextCodec -


i want perform unit testing in elasticsearch using java-test-framework
using elasticsearch-1.6.0 , referring these link https://www.elastic.co/guide/en/elasticsearch/reference/1.6/using-elasticsearch-test-classes.html https://github.com/elastic/elasticsearch/blob/master/core/src/test/java/org/elasticsearch/action/search/searchrequestbuildertests.java

here code 

class campaignestest extends estestcase {    def getclient():mocktransportclient={      val settings = settings.builder()                 .put(environment.path_home_setting.getkey(), files.createtempdir().tostring())                 .build();      val client = new mocktransportclient(settings);        client   }  }  class campaigntestsearch extends playspec{   val client=new campaignestest  val response = client.preparesearch("dbtest")       .settypes(campaign_collection_name)       .setsearchtype(searchtype.dfs_query_then_fetch)       .addfields("uuid","campaignname","artworkid","activationdate","_source")       .setquery(query)       .execute()       .actionget()   }

i getting exception 

exception encountered when attempting run suite class name: org.scalatest.deferredabortedsuite *** aborted *** [info]   java.lang.noclassdeffounderror: org/apache/lucene/codecs/simpletext/simpletextcodec [info]   @ org.apache.lucene.util.lucenetestcase.<clinit>(lucenetestcase.java:616) [info]   @ testcontrollers.campaign.campaigntestsearch.<init>(campaigntestsearch.scala:40) [info]   @ sun.reflect.nativeconstructoraccessorimpl.newinstance0(native method) [info]   @ sun.reflect.nativeconstructoraccessorimpl.newinstance(nativeconstructoraccessorimpl.java:62) [info]   @ sun.reflect.delegatingconstructoraccessorimpl.newinstance(delegatingconstructoraccessorimpl.java:45) [info]   @ java.lang.reflect.constructor.newinstance(constructor.java:423) [info]   @ java.lang.class.newinstance(class.java:442) [info]   @ org.scalatest.tools.framework$scalatesttask.execute(framework.scala:468) [info]   @ sbt.forkmain$run$2.call(forkmain.java:296) [info]   @ sbt.forkmain$run$2.call(forkmain.java:286) [info]   ... [info]   cause: java.lang.classnotfoundexception: org.apache.lucene.codecs.simpletext.simpletextcodec [info]   @ java.net.urlclassloader.findclass(urlclassloader.java:381) [info]   @ java.lang.classloader.loadclass(classloader.java:424) [info]   @ sun.misc.launcher$appclassloader.loadclass(launcher.java:331) [info]   @ java.lang.classloader.loadclass(classloader.java:357) [info]   @ org.apache.lucene.util.lucenetestcase.<clinit>(lucenetestcase.java:616) [info]   @ testcontrollers.campaign.campaigntestsearch.<init>(campaigntestsearch.scala:40) [info]   @ sun.reflect.nativeconstructoraccessorimpl.newinstance0(native method) [info]   @ sun.reflect.nativeconstructoraccessorimpl.newinstance(nativeconstructoraccessorimpl.java:62) [info]   @ sun.reflect.delegatingconstructoraccessorimpl.newinstance(delegatingconstructoraccessorimpl.java:45) [info]   @ java.lang.reflect.constructor.newinstance(constructor.java:423) [info]   ...

getting exception on line 

val client=new campaignestest

in class campaigntestsearch

here dependencies in build.sbt file 

"org.elasticsearch" % "elasticsearch" % "1.6.0",                 "org.elasticsearch.test" % "framework" % "5.0.0" % "test",                 "org.apache.lucene" % "lucene-test-framework" % "4.10.4" % "test",                 "com.carrotsearch.randomizedtesting" % "randomizedtesting-runner" % "1.6.0" % "test",                 "org.a"org.apache.lucene" % "lucene-expressions" % "4.10.4",                 pache.lucene" % "lucene-backward-codecs" % "5.4.0",

i suspect cause of exception maybe due versions of dependencies can please correct library dependency version make work or tehre else missing

two problems:

  • simpletextcodec in codecs, not backwards-codecs.

  • you using jar lucene 5.4.0. never mix-and-match lucene versions. elasticsearch 1.6.0 designed work lucene 4.10.4. mixing in jar lucene 5.4.0 can cause problems you.


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