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  1. ,
    Expert tip

    Check if you didn't forget to instantiate your topic in the kafka broker.

  2. ,

    This error comes up in the old version of spring-test , you should update tospring test 4.3.2

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java.lang.ClassNotFoundException: org.hibernate.sql.Alias	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at liquibase.ext.hibernate.snapshot.PrimaryKeySnapshotGenerator.(PrimaryKeySnapshotGenerator.java:27)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at liquibase.snapshot.SnapshotGeneratorFactory.(SnapshotGeneratorFactory.java:29)	at liquibase.snapshot.SnapshotGeneratorFactory.getInstance(SnapshotGeneratorFactory.java:43)	at liquibase.snapshot.SnapshotControl.addType(SnapshotControl.java:95)	at liquibase.snapshot.SnapshotControl.setTypes(SnapshotControl.java:88)	at liquibase.snapshot.SnapshotControl.(SnapshotControl.java:25)	at liquibase.command.DiffCommand.createReferenceSnapshot(DiffCommand.java:185)	at liquibase.command.DiffCommand.createDiffResult(DiffCommand.java:140)	at liquibase.command.DiffToChangeLogCommand.run(DiffToChangeLogCommand.java:51)	at liquibase.command.AbstractCommand.execute(AbstractCommand.java:8)	at liquibase.integration.commandline.CommandLineUtils.doDiffToChangeLog(CommandLineUtils.java:121)	at liquibase.integration.commandline.Main.doMigration(Main.java:936)	at liquibase.integration.commandline.Main.run(Main.java:175)	at liquibase.integration.commandline.Main.main(Main.java:94)