Hi, Alexander
It works now!
FYI:
Ah, it works!
but it seems a little bit confused to me for the aspectj schema.Isn't it a
little redundant to duplicate the HelloAspect in both the aspect and weaver
section.
At first sight, I just guess that classes in <aspects> section will participate
in weaving for sure.
Anyway, Thanks a lot!!
Leon
Date: Thu, 5 Jun 2014 07:25:27 -0700From: andrew.clement@gmail.comTo:
aspectj-users@eclipse.orgSubject: Re: [aspectj-users] NoSuchMethodError for a
simple hello world aspect in scalaYour aop.xml file doesn't include your aspect
for weaving, I think if you add it, that will do it. Try this aop.xml:
<aspectj> <aspects> <aspect
name="com.leon.aop.HelloAspect"/> </aspects> <weaver
options="-XnoInline"> <include within="com.leon.aop.HelloWorld"/>
<include within="com.leon.aop.HelloAspect"/> </weaver>
</aspectj>
Certainly the error indicates the weaver didn't 'finish off' the aspect by
adding the aspectOf() method.
Andy
From: alexan...@kriegisch.name
Date: Thu, 5 Jun 2014 16:34:32 +0200
To: aspectj-users@eclipse.org
Subject: Re: [aspectj-users] NoSuchMethodError for a simple hello world aspect
in scala
I do not speak Scala, but I guess the methkd's return value will be its last
statement's value. For void methods this might not make much difference (no
idea), but generally I suggest you explicitly return the result of 'proceed()'
(or whatever you want to return instead) if 'proceed()' is not the method's
last statement.
-- Alexander Kriegischhttp://scrum-master.de
Am 05.06.2014 um 16:01 schrieb 马leon <tutuf...@hotmail.com>:
Hi,
I'm trying to do some hello world test in scala, here're code:
class HelloWorld { def sayHello() : Unit = println("Hello word")}
@Aspectclass HelloAspect {
@Around(value = "execution (* com.leon.aop.HelloWorld.sayHello())") def
testCP(jp: ProceedingJoinPoint) {
println("Start...") jp.proceed() println("End...")
}
}
myaop.xml:
<aspectj> <aspects> <aspect
name="com.leon.aop.HelloAspect"/> </aspects> <weaver
options="-XnoInline"> <include within="com.leon.aop.HelloWorld"/>
</weaver> </aspectj>
launcher VM settings:
-javaagent:C:\Users\lma\.ivy2\cache\org.aspectj\aspectjweaver\jars\aspectjweaver-1.7.4.jar
-Dorg.aspectj.weaver.loadtime.configuration=META-INF/myaop.xml
Testing class:
class HelloAspectTest extends FlatSpecLike with Matchers {
"HelloAspect" should "work" in { val t = new HelloWorld t.sayHello()
} }
Yet I got below exception:
An exception or error caused a run to abort:
com.leon.aop.HelloAspect.aspectOf()Lcom/leon/aop/HelloAspect;
java.lang.NoSuchMethodError:
com.leon.aop.HelloAspect.aspectOf()Lcom/leon/aop/HelloAspect; at
com.leon.aop.HelloWorld.sayHello(HelloWorld.scala:7) at
com.leon.aop.HelloAspectTest$$anonfun$1.apply$mcV$sp(HelloAspectTest.scala:15)
at com.leon.aop.HelloAspectTest$$anonfun$1.apply(HelloAspectTest.scala:13)
at com.leon.aop.HelloAspectTest$$anonfun$1.apply(HelloAspectTest.scala:13)
Anyone could help me on this?
Thank
Leon
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