Re: [aspectj-users] Met [org.aspectj.lang.NoAspectBoundException] while

["Alexander Kriegisch" <alexander@xxxxxxxxxxxxxx>]

Would you mind providing a minimal stand-alone piece of sample code
reproducing the error?

Thanks
-- 
Alexander Kriegisch
https://scrum-master.de


Yongle Zhang schrieb am 18.05.2018 04:03:
> 
> 
> More information
> 
> 	The part of the code that’s causing the exception - this is decompiled
> 	from the woven .class file:
> 
> public class TThreadPoolServer {
> 
>     public void serve() {
> 
>   . . .
> 
>   TThreadPoolServer.WorkerProcess var13;
> 
>   TThreadPoolServer.WorkerProcess var10000 = var13 = new
> 
>   TThreadPoolServer.WorkerProcess(client, (<undefinedtype>)var10);
> 
>   // The exception says here afterReturning throws the exception
> 
> 
>   EpredRunnablesCallables.aspectOf().ajc$afterReturning$EpredRunnablesCallables$1$8a935d86(var13);
> 
>   . . .
> 
>   }
> 
>  // inner class
>   private class WorkerProcess implements Runnable,
>   InstrumentedRunnableCallable {
>         public long myid; // inserted by aspectj
> 
>         . . .
> 
>     }
> 
> }
> 
>
> 
> 	Question: how does pertypewithin() work? what’s its scope?
> 
> 
> For example, pertypewithin(Runnable+) - does it work every class in the
> classpath, even including those in rt.jar? When does it create instance
> for every class that implements Runnable (after class loading, on demand,
> …)?
> 
> Thank you!
> 
> 
> On May 17, 2018 at 4:36:23 PM, Yongle Zhang (ynglzh@xxxxxxxxx
> <mailto:ynglzh@xxxxxxxxx> ) wrote:
>> 
>> 
>> Hi,
>> 
>> Problem
>> 
>> I have some aspects trying to insert an ID for every class that
>> implements Runnable.
>> 
>> My aspects (provided below) works fine for a simple test in which 1) I
>> wrote my own MyRunnable class implementing Runnable, 2) I have a simple
>> main function that creates and runs a thread using MyRunnable.
>> 
>> However, when I use it to instrument apache thrift library, it gives me
>> org.aspectj.lang.NoAspectBoundException exception.
>> 
>> I use compile-time weaving. The compile-time weaving finishes
>> successfully, and the instrumented .class code shows the aspects was
>> woven. However, running the instrumented apache thrift lib gives this
>> excetpion:
>> 
>> (MyServer is my simple server implementation using thrift.
>> TThreadPoolServer is the server class in apache thrift lib.)
>> org.aspectj.lang.NoAspectBoundException
>>     at EpredPerRunnable.aspectOf(EpredPerRunnable.aj:1)
>>     at
>>     EpredRunnablesCallables.ajc$afterReturning$EpredRunnablesCallables$1$8a935d86(EpredRunnablesCallables.aj:55)
>>     at
>>     org.apache.thrift.server.TThreadPoolServer.serve(TThreadPoolServer.java:168)
>>     at MyServer.StartsimpleServer(MyServer.java:21)
>>     at MyServer.main(MyServer.java:28)
>> 
>>
>> 
>> My Aspects
>> 
>> Here are the aspects I wrote:
>> 
>> 1) I have a counter for each class implements Runnable using
>> pertypewithin.
>> privileged aspect PerRunnable
>>     pertypewithin(java.lang.Runnable+)
>> {
>>   public long counter = 0;
>> 
>>   public long getCounter() {
>>     return counter;
>>   }
>> 
>>   public void incrementCounter() {
>>     counter++;
>>   }
>> }
>> 
>>
>> 
>> 2) I insert an id into each class that implements Runnable using
>> interface.
>> privileged aspect MyRunnables {
>> 
>>   public interface InstrumentedRunnable {}
>> 
>>   private long InstrumentedRunnable.myid = -1;
>> 
>>   public long InstrumentedRunnable.getMyid() {
>>     return myid;
>>   }
>> 
>>   public void InstrumentedRunnable.setMyid(long id) {
>>     myid = id;
>>   }
>> 
>> 
>>   declare parents: (Runnable)+ implements InstrumentedRunnable;
>> 
>>   after() returning(InstrumentedRunnable r):
>>       call(java.lang.Runnable+.new(..)) {
>> 
>>       long id = PerRunnable.aspectOf(r.getClass()).getCounter();
>>       r.setMyid(id);
>> 
>>       PerRunnable.aspectOf(r.getClass()).incrementCounter();
>> 
>>   }
>> 
>> }
>> 
>>
>> 
>> 3) Part of my scripts that only instruments thrift:
>> CLASSPATH=$CLASSPATH:~/aspectj1.9/lib/aspectjtools.jar
>> CLASSPATH=$CLASSPATH:~/aspectj1.9/lib/aspectjrt.jar
>> AJC=~/aspectj1.9/bin/ajc
>> 
>> echo "Compiling Aspects ..."
>> $AJC -classpath $CLASSPATH:./lib/libthrift-0.11.0.jar -source 1.8
>> asp/*.aj
>> 
>> echo "Weaving aspect into thrift lib..."
>> $AJC -classpath
>> $CLASSPATH:./lib/servlet-api-2.5.jar:./lib/httpcore-4.4.1.jar:./lib/slf4j-api-1.7.12.jar:./lib/httpclient-4.4.1.jar
>> -source 1.8 -inpath ./lib/libthrift-0.11.0.jar -aspectpath ./asp/ -outjar
>> ./my-libthrift-0.11.0.jar
>> 
>> 
>>
>> 
>> 4) Part of my scripts that starts the thrift server:
>> CLASSPATH=$CLASSPATH:~/aspectj1.9/lib/aspectjtools.jar
>> CLASSPATH=$CLASSPATH:~/aspectj1.9/lib/aspectjrt.jar
>> 
>> java -cp
>> $CLASSPATH:./asp:./my-add-server.jar:./my-libthrift-0.11.0.jar:./lib/slf4j-api-1.7.12.jar
>> MyServer
>> 
>>
>> 
>> Need Help
>> 
>> 	Has anyone met such problem before? Any guess? Note that these aspects
>> 	works for my own Runnable but not for thrift lib. (I can send more code
>> 	needed including my test classes and my scripts, but they don’t fit
>> 	within an email…)
>> 	Is there a way to get all aspect instances and what they are matched to
>> 	at runtime?
>> 	Does aspectj has this feature: given 1) a pointcut, 2) the signature of
>> 	a target (class/method) I want the pointcut to match, tell me whether
>> 	they matched, and if not why.
>> 
>> 
>> Thank you for your time and help!
>> 
>>