Hive错误：Error: FUNCTION 'NUCLEUS_ASCII' already exists. (state=X0Y68,code=30000)

错误现象：

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doupeihua@doupeihua-2104 ~/software/hive/bin $ schematool -initSchema -dbType derby

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hive/lib/hive-jdbc-2.0.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hive/lib/log4j-slf4j-impl-2.4.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/spark-1.6.2-bin-hadoop2.6/lib/spark-assembly-1.6.2-hadoop2.6.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hadoop-2.6.4/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Metastore connection URL:     jdbc:derby:;databaseName=metastore_db;create=true
Metastore Connection Driver :     org.apache.derby.jdbc.EmbeddedDriver
Metastore connection User:     APP
Starting metastore schema initialization to 2.0.0
Initialization script hive-schema-2.0.0.derby.sql
Error: FUNCTION 'NUCLEUS_ASCII' already exists. (state=X0Y68,code=30000)

org.apache.hadoop.hive.metastore.HiveMetaException: Schema initialization FAILED! Metastore state would be inconsistent !!

解决办法： （1. 将metastore_db更名为：metastore_db.tmp    2. schematool -initSchema -dbType derby）

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doupeihua@doupeihua-2104 ~/software/hive/bin $ ls

beeline  beeline.cmd  derby.log  ext  hive  hive-config.cmd  hive-config.sh  hive.cmd  hiveserver2  hplsql  hplsql.cmd  metastore_db  metatool  schematool

doupeihua@doupeihua-2104 ~/software/hive/bin $ mv metastore_db metastore_db.tmp

doupeihua@doupeihua-2104 ~/software/hive/bin $ schematool -initSchema -dbType derby

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hive/lib/hive-jdbc-2.0.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hive/lib/log4j-slf4j-impl-2.4.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/spark-1.6.2-bin-hadoop2.6/lib/spark-assembly-1.6.2-hadoop2.6.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/home/doupeihua/software/hadoop-2.6.4/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
Metastore connection URL:     jdbc:derby:;databaseName=metastore_db;create=true
Metastore Connection Driver :     org.apache.derby.jdbc.EmbeddedDriver
Metastore connection User:     APP
Starting metastore schema initialization to 2.0.0
Initialization script hive-schema-2.0.0.derby.sql
Initialization script completed
schemaTool completed