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我有一个使用 apache openJPA 的 eclipse java 项目。 eclipse 是否需要清理某种缓存？
我有一个类，UsaState ...映射到 USA_STATE 表。我已经从数据库、persistence.xml、项目、映射中的引用中删除了它……没有其他引用的项目，我有这个错误:
Exception in thread "main" org.apache.openjpa.persistence.PersistenceException:
You have an error in your SQL syntax; check the manual that
corresponds to your MySQL server version for the right syntax to use
near 'TYPE = innodb' at line 1 {stmnt 7860099
CREATE TABLE USA_STATE (
ID BIGINT NOT NULL AUTO_INCREMENT,
NAME VARCHAR(255),
ADDRESS BIGINT,
PRIMARY KEY (ID)
) TYPE = innodb
} [code=1064, state=42000]
at org.apache.openjpa.jdbc.meta.MappingTool.record(MappingTool.java:553)
at org.apache.openjpa.jdbc.meta.MappingTool.record(MappingTool.java:453)
at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:159)
at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:119)
at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:189)
at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145)
at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56)
at TestMain.main(TestMain.java:18)
Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: You have
an error in your SQL syntax; check the manual that corresponds to
your MySQL server version for the right syntax to use near 'TYPE =
innodb' at line 1 {stmnt 7860099
CREATE TABLE USA_STATE (
ID BIGINT NOT NULL AUTO_INCREMENT,
NAME VARCHAR(255),
ADDRESS BIGINT,
PRIMARY KEY (ID)
) TYPE = innodb
} [code=1064, state=42000]
at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingConnectionDecorator.java:192)
at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$700(LoggingConnectionDecorator.java:57)
at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingStatement.executeUpdate(LoggingConnectionDecorator.java:762)
at org.apache.openjpa.lib.jdbc.DelegatingStatement.executeUpdate(DelegatingStatement.java:114)
at org.apache.openjpa.jdbc.schema.SchemaTool.executeSQL(SchemaTool.java:1191)
at org.apache.openjpa.jdbc.schema.SchemaTool.createTable(SchemaTool.java:949)
at org.apache.openjpa.jdbc.schema.SchemaTool.add(SchemaTool.java:526)
at org.apache.openjpa.jdbc.schema.SchemaTool.add(SchemaTool.java:344)
at org.apache.openjpa.jdbc.schema.SchemaTool.run(SchemaTool.java:321)
at org.apache.openjpa.jdbc.meta.MappingTool.record(MappingTool.java:501)
... 9 more
问题出在哪里？持久性以何种方式记住该表或实体？ 需要一些干净的吗？我已经清理了项目几次...
谢谢