oracle - Tomcat session 复制:java.io.NotSerializableException : oracle. jdbc.driver.T4CConnection

Question

连接Oracle时tomcat session replicated出现这个错误，我项目的session对象中没有connection instance，求助!

01-Nov-2017 16:45:26.653 SEVERE [https-jsse-nio-8443-exec-2] org.apache.catalina.ha.session.DeltaManager.requestCompleted Unable to serialize delta request for sessionid [F825A52DD9E0E7F8FD6BB3E3F721F841]
 java.io.NotSerializableException: oracle.jdbc.driver.T4CConnection
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1183)
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
    at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
    at 

Answer 1

已解决， session 中Class的一个字段是java.sql.Clob，所以我们删除了这个字段，问题就解决了。