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https://issues.apache.org/jira/browse/HIVE-18180?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Daniel Dai updated HIVE-18180:
------------------------------
    Status: Patch Available  (was: Open)

> DbNotificationListener broken after HIVE-17967
> ----------------------------------------------
>
>                 Key: HIVE-18180
>                 URL: https://issues.apache.org/jira/browse/HIVE-18180
>             Project: Hive
>          Issue Type: Bug
>          Components: Standalone Metastore
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>         Attachments: HIVE-18180.1.patch
>
>
> Exception happens when starting Hive metastore with DbNotificationListener on:
> {code}
> java.lang.reflect.InvocationTargetException
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>       at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>       at 
> org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.getMetaStoreListeners(MetaStoreUtils.java:792)
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:511)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
>       at 
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
>       at 
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:80)
>       at 
> org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:93)
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:7426)
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:7421)
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:7694)
>       at 
> org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:7611)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at org.apache.hadoop.util.RunJar.run(RunJar.java:234)
>       at org.apache.hadoop.util.RunJar.main(RunJar.java:148)
> Caused by: java.lang.ClassCastException: org.apache.hadoop.conf.Configuration 
> cannot be cast to org.apache.hadoop.hive.conf.HiveConf
>       at 
> org.apache.hive.hcatalog.listener.DbNotificationListener.<init>(DbNotificationListener.java:114)
>       ... 24 more
> {code}



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