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Re: [aspectj-users] Around advice problem with java.io.InputStream
I presume a showWeaveInfo shows the advice is applying ok, and you are just saying the advice is not returning or it is returning null? Exception occuring in the advice?

Sometimes I recommend switching to code style which has much better diagnostics - it may quickly indicate the problem to you which you can then choose to fix in the annotation style.

cheers,
Andy


On 19 August 2013 05:15, Sina <sina.golesorkhi@xxxxxxxxx> wrote:
Hi there,

I'm using AspectJ along with Struts 2.x . 
In one of my action classes I have a private field of type java.io.InputStream which is used to sent back some data (generated by net.sf.jasperreports.engine.JasperRunManager.runReportToPdf method) to the client.

When using the @Around advice (for exception handling manners) the inputstream is not sent back to the client in response, hence the PDF file is not generated.


public class SomeAction {
………
private InputStream inputStream;

public String print() {
….
setInputStream(net.sf.jasperreports.engine.JasperRunManager.runReportToPdf(….));
}
}


@Around("execution ……… ")
public String methodExecution(CustomAction action, ProceedingJoinPoint thisJoinPoint) throws Throwable {
try {
thisJoinPoint.proceed();
} catch (Exception e) {
…...
}


The method is working properly with @Before but @Around.
P.S. the aspect is working flawlessly and of course I've omitted the advice declaration for the sake of a clarity and abstraction here.

Any idea?

Cheers,
Sina 

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