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Re: [aspectj-users] Load time weaving problem
|
I don't know what the problem is, but try running with the -verbose
and -showWeaveInfo option. It will tell you more information about
the weaving process.
See: http://www.eclipse.org/aspectj/doc/released/devguide/ltw-configuration.html#weaver-options
On Sat, Sep 6, 2008 at 3:32 PM, Neo Anderson
<javadeveloper999@xxxxxxxxxxx> wrote:
> I try `ajc -outxmlfile aop.xml observer/Inspector.aj `
>
> and then run
>
> export ASPECTPATH=$ASPECTJ_HOME/lib/aspectrt.jar:./lib/inspect.jar
>
> aj -javaagent:$ASPECTJ_HOME/lib/aspectjweaver.jar -cp ./:./lib/inspect.jar:./aop.xml character.Person
>
> but it still does not work. The output still display 'Jason speak: This is a book!"' only.
>
> Is this the correct aop.xml conf setting?
>
> the aop.xml is
>
> <aspectj>
> <aspects>
> <aspect name="observer.Inspector"/>
> </aspects>
> </aspectj>
>
>
> --- On Sat, 6/9/08, Ron DiFrango <rdifrango@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> From: Ron DiFrango <rdifrango@xxxxxxxxxxxxxxxxxxx>
>> Subject: Re: [aspectj-users] Load time weaving problem
>> To: javadeveloper999@xxxxxxxxxxx
>> Cc: aspectj-users@xxxxxxxxxxx
>> Date: Saturday, 6 September, 2008, 7:23 PM
>> The way I understand it that enabling the agent is not
>> enough, you
>> also need the aop.xml file as well.
>>
>> Ron DiFrango
>>
>> On Sep 6, 2008, at 3:19 PM, Neo Anderson wrote:
>>
>> > I specify the agent on the step 4 where there includes
>> '-javaagent:/
>> > path/to/aspectj1.6/lib/aspectjweaver.jar' as
>> stated in the
>> > configuration page., unless I misunderstand its
>> meaning (.If so,
>> > please tell me the right format.)
>> >
>> > Thank you very much,
>> >
>> >
>> > --- On Sat, 6/9/08, Ron DiFrango
>> <rdifrango@xxxxxxxxxxxxxxxxxxx>
>> > wrote:
>> >
>> > > From: Ron DiFrango
>> <rdifrango@xxxxxxxxxxxxxxxxxxx>
>> > > Subject: RE: [aspectj-users] Load time weaving
>> problem
>> > > To: javadeveloper999@xxxxxxxxxxx,
>> aspectj-users@xxxxxxxxxxx,
>> > aspectj-users@xxxxxxxxxxx
>> > > Date: Saturday, 6 September, 2008, 6:36 PM
>> > > I am not LTW expert, but do you have an aop.xml
>> file defined
>> > > and on the classpath like the documentation says
>> here:
>> > >
>> > >
>> http://www.eclipse.org/aspectj/doc/released/devguide/ltw-
>> > configuration.html
>> > >
>> > > If so, maybe supplying that as well would help.
>> > >
>> > > Ron DiFrango
>> > > Manager / Architect
>> > > Cap Tech Ventures, Inc
>> (http://www.captechventures.com)
>> > > Blog (http://www.captech-soa.blogspot.com)
>> > > Cell: 804-855-9196
>> > > Work: 804-545-8742
>> > >
>> > >
>> > >
>> > > -----Original Message-----
>> > > From: aspectj-users-bounces@xxxxxxxxxxx on behalf
>> of Neo
>> > > Anderson
>> > > Sent: Sat 9/6/2008 1:58 PM
>> > > To: aspectj-users@xxxxxxxxxxx
>> > > Subject: Re: [aspectj-users] Load time weaving
>> problem
>> > >
>> > > I fix that problem, but I still can not run
>> load-time
>> > > weaving. There is no error, it only produces
>> result as there
>> > > is no weaving at all.
>> > >
>> > > The step to run the example is
>> > >
>> > > 1.) javac -classpath ./ character/Person.java
>> > >
>> > > 2.) ajc observer/Inspector.aj
>> > >
>> > > 3.) ajc -outjar ./lib/inspect.jar
>> observer/Inspector.aj
>> > >
>> > > warning at this step:
>> > >
>> > > Inspector.aj:4 [warning] no match for this type
>> name:
>> > > character.Person [Xlint:invalidAbsoluteTypeName]
>> > > pointcut observer(): execution(*
>> > > character.Person.speak(..)); // &&
>> this(Person);
>> > >
>> ^^^^^^^^^^^^^^^^^^^^
>> > > [Xlint:invalidAbsoluteTypeName]
>> > >
>> > >
>> > > 4.) export
>> > >
>> ASPECTPATH=./lib/inspect.jar:$ASPECTJ_HOME/lib/aspectjrt.jar
>> > >
>> > > 5.) aj
>> > >
>> -javaagent:/home/neo/app/aspectj1.6/lib/aspectjweaver.jar
>> > > -cp ./ character.Person
>> > >
>> > > what might go wrong?
>> > >
>> > > Thanks in advice,
>> > >
>> > > The source now is as below:
>> > >
>> > > package character;
>> > >
>> > > public class Person{
>> > > private String name;
>> > >
>> > > public Person(String name){
>> > > this.name = name;
>> > > }
>> > >
>> > > public String getName(){
>> > > return this.name;
>> > > }
>> > > public void setName(String name){
>> > > this.name = name;
>> > > }
>> > >
>> > > public void speak(String sentence){
>> > >
>> System.out.println(this.name+" say :
>> > > '"+sentence+"'");
>> > > }
>> > >
>> > > public static void main(String args[]){
>> > > new
>> > > Person("Jason").speak("This is a
>> > > book!");
>> > > }
>> > >
>> > > }
>> > >
>> > > package observer;
>> > >
>> > > public aspect Inspector{
>> > > pointcut observer(): execution(*
>> > > character.Person.speak(..)); // &&
>> this(Person);
>> > >
>> > > before(): observer(){
>> > > System.out.println("before
>> speaking
>> > > something, thinking ...");
>> > > }
>> > > }
>> > >
>> > >
>> > >
>> > > --- On Sat, 6/9/08, Andrew Eisenberg
>> > > <andrew@xxxxxxxxxxxx> wrote:
>> > >
>> > > > From: Andrew Eisenberg
>> <andrew@xxxxxxxxxxxx>
>> > > > Subject: Re: [aspectj-users] Load time
>> weaving problem
>> > > > To: javadeveloper999@xxxxxxxxxxx,
>> > > aspectj-users@xxxxxxxxxxx
>> > > > Date: Saturday, 6 September, 2008, 4:48 PM
>> > > > When using LTW, the first step is to ensure
>> that your
>> > > > pointcuts are
>> > > > applying to the correct joinpoints.
>> Unfortunately,
>> > > AJDT
>> > > > doesn't help
>> > > > much with this.
>> > > >
>> > > > My suggestion to you is to turn off LTW and
>> try to get
>> > > the
>> > > > program
>> > > > working using standard compile time weaving.
>> > > You'll
>> > > > find that your
>> > > > pointcut isn't correct.
>> > > >
>> > > > If you can't figure it ask again and
>> I'll tell
>> > > you
>> > > > how to fix your pointcut.
>> > > >
>> > > > On Sat, Sep 6, 2008 at 7:41 AM, Neo Anderson
>> > > > <javadeveloper999@xxxxxxxxxxx> wrote:
>> > > > > I am learning to use load-time weaving
>> features
>> > > > provided by aspectj, but I can not get my
>> example
>> > > worked
>> > > > whilst running it. The problem is that the
>> load-time
>> > > > weaving seems not work.
>> > > > >
>> > > > > There are two classes named
>> character/Person.java
>> > > and
>> > > > observer/Inspector.aj (source is as listed )
>> .
>> > > > >
>> > > > > The way how I compile it is
>> > > > > 1.) compile Person.java
>> > > > > javac -classpath ./
>> character/Person.java
>> > > > > 2.) compile aspectj source
>> > > > > ajc -1.6 observer/Inspector.aj (This
>> step
>> > > issues
>> > > > warning which oreilly's aspectj cookbook
>> says it
>> > > is ok)
>> > > > >
>> > > > > [warning] no match for this type name:
>> Person
>> > > > [Xlint:invalidAbsoluteTypeName]
>> > > > > pointcut observer(): execution(*
>> speak(..))
>> > > &&
>> > > > this(Person);
>> > > > >
>> > >
>> > > > ^^^^
>> > > > > [Xlint:invalidAbsoluteTypeName]
>> > > > >
>> > > >
>> > >
>> /home/neo/workspace/coding/aspectj/load-time-weaving/observer/
>>
>> > Inspector.aj:6
>> > > > [warning] advice defined in
>> observer.Inspector has not
>> > > been
>> > > > applied [Xlint:adviceDidNotMatch]
>> > > > >
>> > > > > 3.) produce outjar and export it in
>> ASPECTPATH
>> > > > > ajc -outjar lib/inspector.jar
>> > > observer/Inspector.aj
>> > > > > export ASPECTPATH=./lib/inspect.jar
>> > > > >
>> > > > > 4.) run example
>> > > > > aj
>> -javaagent:$ASPECTJ_HOME/lib/aspectjweaver.jar
>> > > -cp
>> > > > ./ character.Person
>> > > > >
>> > >
>> > > > > The result only shows "Jason speak
>> : This is
>> > > a
>> > > > book!" without weaving.
>> > > > >
>> > > > > What I expect is
>> > > > > stage before speaking something!
>> > > > > Jason speak : This is a book!
>> > > > >
>> > > > > Where did I do it wrong?
>> > > > >
>> > > > > My env: aspectj1.6/ open suse 11.0
>> 64bit/kernel
>> > > > 2.6.25-1.1-default/ jdk1.6.x
>> > > > >
>> > > > > I appreciate any advice,
>> > > > >
>> > > > > Thank you very much
>> > > > >
>> > > > > The source is as below:
>> > > > >
>> > > > > package character;
>> > > > >
>> > > > > public class Person{
>> > > > > private String name;
>> > > > >
>> > > > > public Person(String name){
>> > > > > this.name = name;
>> > > > > }
>> > > > >
>> > > > > public String getName(){
>> > > > > return this.name;
>> > > > > }
>> > > > > public void setName(String
>> name){
>> > > > > this.name = name;
>> > > > > }
>> > > > >
>> > > > > public void speak(String
>> sentence){
>> > > > >
>> > > System.out.println(this.name+"
>> > > > speak : "+sentence);
>> > > > > }
>> > > > >
>> > > > > public static void main(String
>> args[]){
>> > > > > new
>> > > > Person("Jason").speak("This
>> is a
>> > > > book!");
>> > > > > }
>> > > > > }
>> > > > >
>> > > > > package observer;
>> > > > >
>> > > > > public aspect Inspector{
>> > > > > pointcut observer(): execution(*
>> > > speak(..))
>> > > > && this(Person);
>> > > > >
>> > > > > before(): observer(){
>> > > > >
>> System.out.println("stage
>> > > before
>> > > > speaking something!");
>> > > > > }
>> > > > > }
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> _______________________________________________
>> > > > > aspectj-users mailing list
>> > > > > aspectj-users@xxxxxxxxxxx
>> > > > >
>> > >
>> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>> > > > >
>> > >
>> > >
>> > >
>> > > _______________________________________________
>> > > aspectj-users mailing list
>> > > aspectj-users@xxxxxxxxxxx
>> > >
>> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>> >
>> >
>> >
>> >
>
>
>
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