我使用apache openJPA
删除了java项目。 eclipse有没有需要干净的某种缓存?
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
哪里可能是问题?持久化以什么方式记住该表或实体? 有必要干一些吗?我已经清理了一些项目......
由于
答案 0 :(得分:1)
请转到较新版本的JPA> = 2.0.0。
答案 1 :(得分:-1)
尝试重新启动数据库或执行命令flush tables
。