Need to cleanup the serialVersionUIDs for Serializable/Externalizable classes
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Key: JBAS-1579
URL: http://jira.jboss.com/jira/browse/JBAS-1579
Project: JBoss Application Server
Type: Bug
Versions: JBossAS-4.0.2RC1, JBossAS-4.0.1 SP1
Reporter: Scott M Stark
Priority: Blocker
Fix For: JBossAS-4.0.2 Final
I'm seeing incomptibilities between versions that are simply due to the fact
that Serializable/Externalizable classes are letting their serialVersionUIDs
float instead of explicitly defining them. We need to get this cleaned up.
There should not be a single Serializable/Externalizable class that does not
fix its serialVersionUID and then take responsibility for maintaining
compatibility with the indicated version.
The attached SerializableHasSerialVersionUIDField.zip unzips to create a
SerializableHasSerialVersionUIDField-index.html and
SerializableHasSerialVersionUIDField directory which is a report of all classes
in the 4.0 codebase that are not defining a serialVersionUID as they should.
The JDK object serialization spec defines all you need to know about the apis
and contracts for object serialization:
http://java.sun.com/j2se/1.4.2/docs/guide/serialization/spec/serialTOC.html
In particular, Versioning of Serializable Objects:
http://java.sun.com/j2se/1.4.2/docs/guide/serialization/spec/version.html#wp9419
talks about binary compatibility and what is available to manage this.
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