跪求大神帮忙，正式环境偶尔才出现could not prepare statement

Question

• SQL Error: 17008, SQLState: 08003
• Closed Connection
• could not prepare statement org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:124) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:193) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:157) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1881) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1858) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1838) at org.hibernate.loader.Loader.doQuery(Loader.java:906) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:348) at org.hibernate.loader.Loader.doList(Loader.java:2550) at org.hibernate.loader.Loader.doList(Loader.java:2536) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2366) at org.hibernate.loader.Loader.list(Loader.java:2361)

Answer 1

你这个看起来应该是数据库连接异常“JDBCConnectionException”，是不是跟数据库连接断开了？