Tomcat startup error: Java. Io. eofexception

The following error occurs when Tomcat is started:

[Error] org. Apache. Catalina. session. managerbase-ioexception while loading persisted sessions: Java. Io. eofexception

Or
Severe: ioexception while loading persisted sessions: Java. Io. eofexception
Severe: exception loading sessions from persistent Storage

The reason is:

The reason is that the session data stored on the hard disk fails to be read, and the problem does not seem to be a problem. However, if you do not handle it, this problem will occur every time you start the disk. The solution is as follows:

Clear the file under work (for example, tomcat5.5.20/work/Catalina/localhost/_), mainly the *. Ser file, or delete the session. Ser file.