[Jboss-dev-forums] [Deployers on JBoss (Deployers/JBoss)] - Re: Error redeploying dependent war

[hengels <do-...@jb...>]

Hm,

are we solving the class compatibility problems with dependent deployment units, then?

Consider two deployment units: A and B, where B depends on A. B holds references to classes from A. Now A gets redeployed -> A2. You'll notice, that B is invalid, cause it still references instances of old A's classloader. You're getting ClassCastExceptions. B has to be redeployed -> B2. B2 will create new instances of A2's new classes.

Holger

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