We have a spark application that starts with a spark-feed into yarn. At startup
sparkHiveContext.hql ("show databases") in java
gets the following exception
ClassLoaderResolver for class "" gave error on creation : {1} org.datanucleus.exceptions.NucleusUserException: ClassLoaderResolver for class "" gave error on creation : {1}
at org.datanucleus.NucleusContext.getClassLoaderResolver(NucleusContext.java:1087)
at org.datanucleus.PersistenceConfiguration.validatePropertyValue(PersistenceConfiguration.java:797)
at org.datanucleus.PersistenceConfiguration.setProperty(PersistenceConfiguration.java:714)
at org.datanucleus.PersistenceConfiguration.setPersistenceProperties(PersistenceConfiguration.java:693)
at org.datanucleus.NucleusContext.<init>(NucleusContext.java:273)
at org.datanucleus.NucleusContext.<init>(NucleusContext.java:247)
at org.datanucleus.NucleusContext.<init>(NucleusContext.java:225)
down the stack track i get
Caused by: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient
at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1412)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:62)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:72)
at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2453)
at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2465)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:340)
... 27 more caused by: 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:408)
at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1410)
... 32 more Caused by: javax.jdo.JDOFatalInternalException: Unexpected exception caught.
However ... my query in spark-sql console works. What is wrong with that.
source
share