How to solve “NullPointerException” with “Server.processing” error while we are using Flex Builder 3 and BlazeDS?

The java.lang. NullPointerException indicates an error being thrown on the server. To debug this, active debug logging on BlazeDS in the services-config.

Xml file. You should see detailed debug information in the server console.

When using the BlazeDS/Spring integration take care that you will need to use a custom exception translator in order to obtain meaningful exceptions. Please read this document static.springsource.org/spring-flex/docs... In your case the error is not related to some configuration problems, it seems that is thrown inside your java method. Use a debugger in order to diagnose properly.

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