Grail升级从1.3.7到Grails 2.1.0。Grails Run-App执行。没有错误。
致电WebFlow操作会引发GrailSexceptionResolver错误。说明Grails WebFlow对象无法序列化。我已经浏览了所有课程，以确保所有人都具有"实现序列化"。
错误不识别未序列化的对象，因此无法识别是否应将类字段暂时忽略。
Full Stacktrace:
2016-12-20 09:51:25,750 [http-bio-80-exec-1] DEBUG services.RpgService - ************
| Error 2016-12-20 09:51:26,450 [http-bio-80-exec-1] ERROR errors.GrailsExceptionResolver - NotSerializableException occurred when processing request: [GET] /…/…/order
org.codehaus.groovy.grails.commons.spring.GrailsWebApplicationContext. Stacktrace follows:
Message: Could not serialize flow execution; make sure all objects stored in flow or flash scope are serializable
Line | Method
->> 384 | doFilterInternal in org.jsecurity.web.servlet.JsecurityFilter
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
| 183 | doFilter in org.jsecurity.web.servlet.OncePerRequestFilter
| 886 | runTask . . . . in java.util.concurrent.ThreadPoolExecutor$Worker
| 908 | run in ''
^ 662 | run . . . . . . in java.lang.Thread
Caused by NotSerializableException: org.codehaus.groovy.grails.commons.spring.GrailsWebApplicationContext
->> 1164 | writeObject0 in java.io.ObjectOutputStream
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
| 1518 | defaultWriteFields in ''
| 1483 | writeSerialData in ''
| 1400 | writeOrdinaryObject in ''
| 1158 | writeObject0 . . in ''
| 1518 | defaultWriteFields in ''
| 1483 | writeSerialData in ''
| 1400 | writeOrdinaryObject in ''
| 1158 | writeObject0 . . in ''
| 330 | writeObject in ''
| 1001 | writeObject . . in java.util.HashMap
| 940 | invokeWriteObject in java.io.ObjectStreamClass
| 1469 | writeSerialData in java.io.ObjectOutputStream
| 1400 | writeOrdinaryObject in ''
| 1158 | writeObject0 . . in ''
| 1518 | defaultWriteFields in ''
找到了分辨率。我的控制器服务正在调用SessionFactory，这也需要是暂时的。
代码更改：def sessionfactory =>瞬态sessionFactory。不需要直接使任何域类变量瞬态。修复了问题。