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Samebug tips

  1. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    
  2. ,
    Expert tip

    Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

Solutions on the web

via JIRA by Thomas Beauvais, 2 years ago
liquibase.exception.CustomChangeException: java.lang.ClassNotFoundException: migrations.LiquibaseMigration2
via JIRA by Thomas Beauvais, 1 year ago
liquibase.exception.CustomChangeException: java.lang.ClassNotFoundException: migrations.LiquibaseMigration2
java.lang.ClassNotFoundException: migrations.LiquibaseMigration2	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:348)	at liquibase.change.custom.CustomChangeWrapper.setClass(CustomChangeWrapper.java:87)	at liquibase.change.custom.CustomChangeWrapper.load(CustomChangeWrapper.java:293)	at liquibase.changelog.ChangeSet.toChange(ChangeSet.java:413)	at liquibase.changelog.ChangeSet.handleChildNode(ChangeSet.java:361)	at liquibase.changelog.ChangeSet.load(ChangeSet.java:292)	at liquibase.changelog.DatabaseChangeLog.createChangeSet(DatabaseChangeLog.java:379)	at liquibase.changelog.DatabaseChangeLog.handleChildNode(DatabaseChangeLog.java:240)	at liquibase.changelog.DatabaseChangeLog.load(DatabaseChangeLog.java:211)	at liquibase.parser.core.xml.AbstractChangeLogParser.parse(AbstractChangeLogParser.java:25)	at liquibase.Liquibase.getDatabaseChangeLog(Liquibase.java:215)	at liquibase.Liquibase.update(Liquibase.java:192)	at liquibase.Liquibase.update(Liquibase.java:181)	at migrations.LiquibaseHelper.update(LiquibaseHelper.java:25)	at play.Global.onStart(Global.java:55)	at play.core.j.JavaGlobalSettingsAdapter.onStart(JavaGlobalSettingsAdapter.scala:22)	at play.api.GlobalPlugin.onStart(GlobalSettings.scala:220)	at play.api.Play$$anonfun$start$1$$anonfun$apply$mcV$sp$1.apply(Play.scala:91)	at play.api.Play$$anonfun$start$1$$anonfun$apply$mcV$sp$1.apply(Play.scala:91)	at scala.collection.immutable.List.foreach(List.scala:381)	at play.api.Play$$anonfun$start$1.apply$mcV$sp(Play.scala:91)	at play.api.Play$$anonfun$start$1.apply(Play.scala:91)	at play.api.Play$$anonfun$start$1.apply(Play.scala:91)	at play.utils.Threads$.withContextClassLoader(Threads.scala:21)	at play.api.Play$.start(Play.scala:90)	at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:157)	at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:130)	at scala.Option.map(Option.scala:145)	at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:130)	at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:128)	at scala.util.Success.flatMap(Try.scala:230)	at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:128)	at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:120)	at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)	at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)	at scala.concurrent.forkjoin.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1361)	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)