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Java API for XML Web Services

The Java API for XML Web Services (JAX-WS) simplifies creating and deploying web services and web services clients.

The Java Platform, Standard Edition (Java SE) includes JAX-WS 2.2.

Backward Compatibility

Two small source compatibility anomalies exist between JAX-WS versions 2.1 and 2.2. The changes in the API are as follows:

Because of these changes, some applications that compile with Java SE 6 might not compile with Java SE 7. There will be a deployment error if incorrect types are used with JAX-WS 2.1 API. In Java SE 7, these type errors are caught at compile time instead of deployment time.



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