i develop a lookup extension，read hbase into lookup

[wengwh]

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.(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)

[stale]

This issue has been marked as stale due to 280 days of inactivity. It will be closed in 4 weeks if no further activity occurs. If this issue is still relevant, please simply write any comment. Even if closed, you can still revive the issue at any time or discuss it on the dev@druid.apache.org list. Thank you for your contributions.