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https://issues.apache.org/jira/browse/HIVE-7891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mithun Radhakrishnan updated HIVE-7891:
---------------------------------------
Status: Patch Available (was: Open)
> Table-creation fails through HCatClient for Oracle-based metastore.
> -------------------------------------------------------------------
>
> Key: HIVE-7891
> URL: https://issues.apache.org/jira/browse/HIVE-7891
> Project: Hive
> Issue Type: Bug
> Components: HCatalog, Metastore
> Affects Versions: 0.14.0
> Reporter: Mithun Radhakrishnan
> Assignee: Mithun Radhakrishnan
> Attachments: HIVE-7891.1.patch
>
>
> When tables are created using {{HCatClient.createTable()}}, if the
> HCatTable's creation-comment is an empty string, the table creation fails
> spectacularly, with this guttural utterance:
> {noformat}
> Exception in thread "main" org.apache.hive.hcatalog.common.HCatException :
> 9001 : Exception occurred while processing HCat request : MetaException while
> creating table.. Cause :
> MetaException(message:java.lang.NullPointerException: Null values not allowed
> in persistent maps.)
> at
> org.apache.hive.hcatalog.api.HCatClientHMSImpl.createTable(HCatClientHMSImpl.java:185)
> at net.myth.HiveClient.main(HiveClient.java:67)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
> Caused by: MetaException(message:java.lang.NullPointerException: Null values
> not allowed in persistent maps.)
> at
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$create_table_with_environment_context_result$create_table_with_environment_context_resultStandardScheme.read(ThriftHiveMetastore.java:22138)
> at
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$create_table_with_environment_context_result$create_table_with_environment_context_resultStandardScheme.read(ThriftHiveMetastore.java:22106)
> at
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$create_table_with_environment_context_result.read(ThriftHiveMetastore.java:22032)
> at
> org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
> at
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.recv_create_table_with_environment_context(ThriftHiveMetastore.java:797)
> at
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.create_table_with_environment_context(ThriftHiveMetastore.java:783)
> at
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:487)
> at
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.createTable(HiveMetaStoreClient.java:476)
> at
> org.apache.hive.hcatalog.api.HCatClientHMSImpl.createTable(HCatClientHMSImpl.java:175)
> {noformat}
> This manifests with an Oracle backend, because an empty comment-string is
> stored in the table-properties map as a null-string. I've a patch that fixes
> this.
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