wengwh opened a new issue #8684: i develop a lookup extension，read hbase into lookup URL: https://github.com/apache/incubator-druid/issues/8684 i develop a lookup extension，read hbase into lookup, i deploy success,data load success, but i load datasource are fail druid version：0.15.1 i put hbase-client.jar into druid/extensions/myextension/ but load datasource is fail，the msg：not found class。 ERROR： 2019-10-16T12:52:13,833 INFO [task-runner-0-priority-0] org.apache.hadoop.mapreduce.Job - Task Id : attempt_1569862598380_177757_m_000000_0, Status : FAILED Error: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.client.Result at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:202) at org.apache.hadoop.util.ApplicationClassLoader.loadClass(ApplicationClassLoader.java:170) 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.google.inject.spi.InjectionPoint.getInjectionPoints(InjectionPoint.java:688) at com.google.inject.spi.InjectionPoint.forInstanceMethodsAndFields(InjectionPoint.java:380) at com.google.inject.internal.ConstructorBindingImpl.getInternalDependencies(ConstructorBindingImpl.java:165) at com.google.inject.internal.InjectorImpl.getInternalDependencies(InjectorImpl.java:616) at com.google.inject.internal.InjectorImpl.cleanup(InjectorImpl.java:572) at com.google.inject.internal.InjectorImpl.initializeJitBinding(InjectorImpl.java:558) at com.google.inject.internal.InjectorImpl.createJustInTimeBinding(InjectorImpl.java:887) at com.google.inject.internal.InjectorImpl.createJustInTimeBindingRecursive(InjectorImpl.java:808) at com.google.inject.internal.InjectorImpl.getJustInTimeBinding(InjectorImpl.java:285) at com.google.inject.internal.InjectorImpl.getBindingOrThrow(InjectorImpl.java:217) at com.google.inject.internal.InjectorImpl.getInternalFactory(InjectorImpl.java:893) at com.google.inject.internal.FactoryProxy.notify(FactoryProxy.java:46) at com.google.inject.internal.ProcessedBindingData.runCreationListeners(ProcessedBindingData.java:50) at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:134) at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107) at com.google.inject.Guice.createInjector(Guice.java:99) at com.google.inject.Guice.createInjector(Guice.java:73) at com.google.inject.Guice.createInjector(Guice.java:62) at org.apache.druid.initialization.Initialization.makeInjectorWithModules(Initialization.java:419) at org.apache.druid.indexer.HadoopDruidIndexerConfig.<clinit>(HadoopDruidIndexerConfig.java:102) at org.apache.druid.indexer.HadoopDruidIndexerMapper.setup(HadoopDruidIndexerMapper.java:53) at org.apache.druid.indexer.DetermineHashedPartitionsJob$DetermineCardinalityMapper.setup(DetermineHashedPartitionsJob.java:269) at org.apache.druid.indexer.DetermineHashedPartitionsJob$DetermineCardinalityMapper.run(DetermineHashedPartitionsJob.java:326) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1707) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
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