[cdi-dev] [JBoss JIRA] Created: (CDI-140) improve Serializable requirements for @Dependent scoped beans in 6.6.4

[Mark Struberg (JIRA)]

improve Serializable requirements for @Dependent scoped beans in 6.6.4
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                 Key: CDI-140
                 URL: https://issues.jboss.org/browse/CDI-140
             Project: CDI Specification Issues
          Issue Type: Clarification
          Components: Resolution
    Affects Versions: 1.0
            Reporter: Mark Struberg
             Fix For: 1.1 (Proposed)


Currently section 6.6.4 defines that @Dependent scoped beans which get injected into a bean of a passivating scope must be Serializable. 

"If a producer method or field of scope @Dependent returns an unserializable object for injection into an injection point that requires a passivation capable dependency, the container must throw an Illegal- ProductException"

The question is how to interpret "that requires a passivation capable dependency".

It would e.g. be perfectly fine if the @Dependent bean is _not_ Serializable *if* the injectionpoint will be serialized via a writeObject or Externalizable#writeExternal. 

Proposal: to explicitly add a check for Modifier.TRANSIENT and writeObject(ObjectOutputStream) and Externalizable#writeExternal(ObjectOutput)

This is very important for @Dependent scoped producers of legacy classes because there is otherwise no way to inject such classes at all.

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