Support Questions
Find answers, ask questions, and share your expertise
Announcements
Alert: Welcome to the Unified Cloudera Community. Former HCC members be sure to read and learn how to activate your account here.

How to fixed ERROR 721 (42M04): Schema with given name already exists schemaName=SYSTEM

Highlighted

How to fixed ERROR 721 (42M04): Schema with given name already exists schemaName=SYSTEM

New Contributor

Hi, I need help!

My Phoenix is :

4.13.1-HBase-1.2   and  4.13.1-cdh5.11.2

When I create a phoenix connection in JDBC, I take a error for

ERROR 721 (42M04): Schema with given name already exists schemaName=SYSTEM

org.apache.phoenix.schema.NewerSchemaAlreadyExistsException: ERROR 721 (42M04): Schema with given name already exists schemaName=SYSTEM 


I have a jar , It has hbase-site.xml, core-site.xml and hdfs-site.xml

This error was happen after create connection successed last time,


ps: in hbase-site.xml, I add

  <property>     <name>phoenix.schema.isNamespaceMappingEnabled</name>     <value>true</value>   </property>   <property>     <name>phoenix.schema.mapSystemTablesToNamespace</name>     <value>true</value>   </property>

please help me, I know hortonworks.com is professional!

@ARTEM ERVITS, @RAJESHBABU CHINTAGUNTLA @Anybody....................