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Editorial Team
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Asked: 2026-05-13T21:12:22+00:00

When using GWT I get following warning: Referencing deprecated class ‘com.google.gwt.user.client.rpc.SerializableException’ While it’s only

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When using GWT I get following warning:

Referencing deprecated class 'com.google.gwt.user.client.rpc.SerializableException'

While it’s only a warning, it’s dead annoying having to look at every single time I run the project.

The warning occours since my RPC throws java.lang.Exception, and thus never actually uses the SerializableException, but GWT isn’t clever enough to figure that out.

Is there a option to turn off the warning, or fix this, besides compiling my own version of the gwt-user/gwt-servlet libraries?

Thanks.

Edit: To clarify, this is GWT 2.0, and the project is being run from the Google Plugin in Eclipse.

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1 Answer

  1. Editorial Team

    Someone on the GWT’s Google Group suggested using SerializationException instead of just Exception. Although, the javadocs for SerializableException suggest that Exception should be fine too :/ Which version of GWT are you using?

    Deprecated. As of GWT 1.5, Exception
    implements Serializable and can be
    used in place of this [SerializableException] class

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