Error with generating JasperPrint in the client side

I am using JNLP which fetches my jar files to client.

When I run the application, I am getting the error: JasperPrint(NullPointerException).

I can figure out the cause partially. It is because J开发者_如何学编程asperPrint instance cannot be stored on client side due to access permission.

Is there a way to generate JasperPrint on the client side?

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I got it solved... I forgot to sign the jar resources.