About crud

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2

Updating existing persistence entries

to hibernate, because I just want 2 simple beans to be persisted with CRUD operations. When I use
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GWT RPC is throwing serialization exception when I have object db date value

the Entity objects, You need srializable DTO objects to handle CRUD operations).     The objectdb
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2

Optimistic Lock Exception With No Concurrency

manager instance instead of a seperate new manager for each crud operation. Fixing this will probably make this exception rarer. Thanks for the clarification! Yotam