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why does my aspect code not run when exception is thrown?

1

1

In my spring project I've added two dependencies:

<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjrt</artifactId>
 <version>1.9.2</version>
</dependency>
<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjweaver</artifactId>
 <version>1.9.2</version>
</dependency>

and then I've created a class:

package com.my.company.package.handling;

@Aspect
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Now in some other class (stored in package: com.my.company.package.someOtherPackage) I'm throwing exception:

throw new IOException("here comes error");

but then I don't see the printout from my aspect method in the console. What am I missing here?

java spring aspectj

share|improve this question

asked 2 days ago

randomuser1randomuser1

1,07431539

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  isn't there missing a .* for the method name? I don't use AspectJ but documentation states: "execution of any method defined in the service package: execution(* com.xyz.service.*.*(..))" (assuming that your someOtherPackage is a class), or: " execution of any method defined in the service package or a sub-package: execution(* com.xyz.service..*.*(..))"
  
  – Carlos Heuberger
  2 days ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @CarlosHeuberger just realised the same thing, I've updated my answer.
  
  – Essex Boy
  2 days ago
  

  
  
  
  

add a comment | 

1

1

In my spring project I've added two dependencies:

<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjrt</artifactId>
 <version>1.9.2</version>
</dependency>
<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjweaver</artifactId>
 <version>1.9.2</version>
</dependency>

and then I've created a class:

package com.my.company.package.handling;

@Aspect
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Now in some other class (stored in package: com.my.company.package.someOtherPackage) I'm throwing exception:

throw new IOException("here comes error");

but then I don't see the printout from my aspect method in the console. What am I missing here?

java spring aspectj

share|improve this question

asked 2 days ago

randomuser1randomuser1

1,07431539

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  isn't there missing a .* for the method name? I don't use AspectJ but documentation states: "execution of any method defined in the service package: execution(* com.xyz.service.*.*(..))" (assuming that your someOtherPackage is a class), or: " execution of any method defined in the service package or a sub-package: execution(* com.xyz.service..*.*(..))"
  
  – Carlos Heuberger
  2 days ago
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @CarlosHeuberger just realised the same thing, I've updated my answer.
  
  – Essex Boy
  2 days ago
  

  
  
  
  

add a comment | 

In my spring project I've added two dependencies:

<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjrt</artifactId>
 <version>1.9.2</version>
</dependency>
<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjweaver</artifactId>
 <version>1.9.2</version>
</dependency>

and then I've created a class:

package com.my.company.package.handling;

@Aspect
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Now in some other class (stored in package: com.my.company.package.someOtherPackage) I'm throwing exception:

throw new IOException("here comes error");

but then I don't see the printout from my aspect method in the console. What am I missing here?

java spring aspectj

share|improve this question

asked 2 days ago

randomuser1randomuser1

1,07431539

<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjrt</artifactId>
 <version>1.9.2</version>
</dependency>
<dependency>
 <groupId>org.aspectj</groupId>
 <artifactId>aspectjweaver</artifactId>
 <version>1.9.2</version>
</dependency>

package com.my.company.package.handling;

@Aspect
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

throw new IOException("here comes error");

share|improve this question

asked 2 days ago

randomuser1randomuser1

1,07431539

share|improve this question

asked 2 days ago

randomuser1randomuser1

1,07431539

asked 2 days ago

randomuser1randomuser1

1,07431539

asked 2 days ago

randomuser1randomuser1

1,07431539

1 Answer
1

active

oldest

votes

0

Assuming everything else is correct you need a @Component annotation also, you also need another * in the execution string for any class.

@Aspect
@Component
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Here's a working example

share|improve this answer

edited 2 days ago

answered 2 days ago

Essex BoyEssex Boy

4,6781816

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, however when I used it - I'm not seeing the message from logAfterThrowing. I tried to invoke it in my code by throwing e.g. throw new ParseException("msg", 0) or throw new NullPointerException("msg"); but message from Aspect does not show up
  
  – randomuser1
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @randomuser1 it works for me in the test, something else wrong?
  
  – Essex Boy
  2 days ago
  

  
  
  
  

add a comment | 

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0

Assuming everything else is correct you need a @Component annotation also, you also need another * in the execution string for any class.

@Aspect
@Component
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Here's a working example

share|improve this answer

edited 2 days ago

answered 2 days ago

Essex BoyEssex Boy

4,6781816

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, however when I used it - I'm not seeing the message from logAfterThrowing. I tried to invoke it in my code by throwing e.g. throw new ParseException("msg", 0) or throw new NullPointerException("msg"); but message from Aspect does not show up
  
  – randomuser1
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @randomuser1 it works for me in the test, something else wrong?
  
  – Essex Boy
  2 days ago
  

  
  
  
  

add a comment | 

0

Assuming everything else is correct you need a @Component annotation also, you also need another * in the execution string for any class.

@Aspect
@Component
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Here's a working example

share|improve this answer

edited 2 days ago

answered 2 days ago

Essex BoyEssex Boy

4,6781816

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, however when I used it - I'm not seeing the message from logAfterThrowing. I tried to invoke it in my code by throwing e.g. throw new ParseException("msg", 0) or throw new NullPointerException("msg"); but message from Aspect does not show up
  
  – randomuser1
  2 days ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @randomuser1 it works for me in the test, something else wrong?
  
  – Essex Boy
  2 days ago
  

  
  
  
  

add a comment | 

Assuming everything else is correct you need a @Component annotation also, you also need another * in the execution string for any class.

@Aspect
@Component
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

Here's a working example

share|improve this answer

edited 2 days ago

answered 2 days ago

Essex BoyEssex Boy

4,6781816

@Aspect
@Component
public class MyAspect 
@AfterThrowing(pointcut = "execution(* com.my.company.package.*.*(..))", throwing = "ex")
 public void logAfterThrowing(Exception ex) 
 System.out.println("exception "+ex.getLocalizedMessage())
 

share|improve this answer

edited 2 days ago

answered 2 days ago

Essex BoyEssex Boy

4,6781816

answered 2 days ago

Essex BoyEssex Boy

4,6781816

answered 2 days ago

Essex BoyEssex Boy

4,6781816