严重: IOException while loading persisted sessions: java.io.EOFException

public class Exception extends Throwable

Caused by: org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save()

template.executeFind(new HibernateCallback() {…});

C++异常处理的实现

在使用struts2的项目中上传文件的时候出现了一个这样的错误：

10470 [http-8080-1] ERROR org.hibernate.LazyInitializationException - could not initialize proxy - no Session org.hibernate.LazyInitializationException: could not initialize proxy - no Session

在编写了一个JSP页面后，出现如下错误：

1191 [main] ERROR org.hibernate.util.JDBCExceptionReporter - Data too long for column ‘type_visible’ at row 1 1191 [main] ERROR org.hibernate.event.def.AbstractFlushingEventListener - Could not synchronize database state with session org.hibernate.exception.DataException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:100)

地址栏输入地址访问action或者servlet提示如下错误：