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You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it; you can use JoinPoint instead if you need access to arguments
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson method of your aspect, as pointed out by frant.hartm

You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it; you can use JoinPoint instead if you need access to arguments
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson method of your aspect, as pointed out by frant.hartm

You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson method of your aspect, as pointed out by frant.hartm

You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it; you can use JoinPoint instead if you need access to arguments
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson method of your aspect, as pointed out by frant.hartm

You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson of your aspect, as pointed out by frant.hartm

You have several problems with your code:

1. You should create your ValidationTest object as a bean managed by Spring and not using new
2. <aop:include name="UpdateUIMetadataInterceptor" /> should be <aop:include name="updateUI"/>; you can actually just stick with <aop:aspectj-autoproxy/> for simplicity here
3. ProceedingJoinPoint is not supported for before aspects, so remove it
4. JsonSchemaAnnotation jsonSchemaAnnotation parameter should be present for validateJson method of your aspect, as pointed out by frant.hartm