服务刚开启能查到信息，过一段时间，就出这个问题，查不到信息，这是什么原因，用的hibernate执行的查询信息Causedby:java.sql.SQLException:关闭的连接atoracle.jdbc.dbaccess.DBErr...
服务刚开启能查到信息，过一段时间，就出这个问题，查不到信息，这是什么原因，用的hibernate执行的查询信息
Caused by: java.sql.SQLException: 关闭的连接
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
at oracle.jdbc.driver.OracleConnection.privatePrepareStatement(OracleCon
nection.java:962)
at oracle.jdbc.driver.OracleConnection.prepareStatement(OracleConnection
.java:869)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatch
er.java:442)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatch
er.java:368)
at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatc
her.java:105)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1561)
at org.hibernate.loader.Loader.doQuery(Loader.java:661)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Lo
ader.java:224)
at org.hibernate.loader.Loader.doList(Loader.java:2145)
... 29 more
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