我正在使用
EclipseLink在Glassfish中使用JPA编辑Postgresql中的表.当我插入一个实体,它运行正常.但是,当我尝试编辑或删除同一个实体时,会失败并出现以下错误.任何想法？
Caused by: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.0.1.v20100213-r6600): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: org.postgresql.util.PsqlException: ERROR: operator does not exist: integer = character varying Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts. Position: 38 Error Code: 0 at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:333) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.processExceptionForCommError(DatabaseAccessor.java:1422) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:799) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeNoSelect(DatabaseAccessor.java:867) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:587) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:530) at org.eclipse.persistence.internal.sessions.AbstractSession.executeCall(AbstractSession.java:914) at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:205) at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:191) at org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.deleteObject(DatasourceCallQueryMechanism.java:182) at org.eclipse.persistence.internal.queries.StatementQueryMechanism.deleteObject(StatementQueryMechanism.java:101) at org.eclipse.persistence.queries.DeleteObjectQuery.executeDatabaseQuery(DeleteObjectQuery.java:167) at org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:675) at org.eclipse.persistence.queries.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:589) at org.eclipse.persistence.queries.ObjectLevelModifyQuery.executeInUnitOfWorkObjectLevelModifyQuery(ObjectLevelModifyQuery.java:109) at org.eclipse.persistence.queries.DeleteObjectQuery.executeInUnitOfWorkObjectLevelModifyQuery(DeleteObjectQuery.java:112) at org.eclipse.persistence.queries.ObjectLevelModifyQuery.executeInUnitOfWork(ObjectLevelModifyQuery.java:86) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.internalExecuteQuery(UnitOfWorkImpl.java:2857) at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1225) at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1207) at org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1167) at org.eclipse.persistence.internal.sessions.CommitManager.deleteAllObjects(CommitManager.java:297) at org.eclipse.persistence.internal.sessions.CommitManager.deleteAllObjects(CommitManager.java:256) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:1406) at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:547) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1508) at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.issuesqlbeforeCompletion(UnitOfWorkImpl.java:3128) at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.issuesqlbeforeCompletion(RepeatableWriteUnitOfWork.java:268) at org.eclipse.persistence.transaction.AbstractSynchronizationListener.beforeCompletion(AbstractSynchronizationListener.java:157) at org.eclipse.persistence.transaction.JTASynchronizationListener.beforeCompletion(JTASynchronizationListener.java:68) at com.sun.enterprise.transaction.JavaEETransactionImpl.commit(JavaEETransactionImpl.java:412) ... 25 more Caused by: org.postgresql.util.PsqlException: ERROR: operator does not exist: integer = character varying Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts. Position: 38 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2062) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1795) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:479) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:367) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:321) at com.sun.gjc.spi.base.PreparedStatementWrapper.executeUpdate(PreparedStatementWrapper.java:108) at org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeDirectNoSelect(DatabaseAccessor.java:792) ... 53 more Java Result: 1
解决方法
我有这个问题,解决了.这是由于WHERE子句包含String值而不是整数值.
