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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.apache.hadoop.hive.metastore.IMetaStoreClient	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 org.apache.hive.hcatalog.data.schema.HCatFieldSchema.(HCatFieldSchema.java:225)	at org.apache.hive.hcatalog.data.schema.HCatSchemaUtils.getHCatFieldSchema(HCatSchemaUtils.java:122)	at org.apache.hive.hcatalog.data.schema.HCatSchemaUtils.constructHCatSchema(HCatSchemaUtils.java:154)	at org.apache.hive.hcatalog.data.schema.HCatSchemaUtils.getHCatSchema(HCatSchemaUtils.java:165)	at org.apache.hive.hcatalog.data.JsonSerDe.initialize(JsonSerDe.java:141)	at org.apache.hadoop.hive.serde2.SerDeUtils.initializeSerDe(SerDeUtils.java:527)	at org.apache.hadoop.hive.ql.plan.PartitionDesc.getDeserializer(PartitionDesc.java:143)	at org.apache.hadoop.hive.ql.exec.MapOperator.getConvertedOI(MapOperator.java:302)	at org.apache.hadoop.hive.ql.exec.MapOperator.setChildren(MapOperator.java:338)	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.init(MapRecordProcessor.java:191)	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:147)	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:137)	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:331)	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:179)	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:171)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:415)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:171)	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:167)	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)	at java.util.concurrent.FutureTask.run(FutureTask.java:262)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)