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Re: [aspectj-users] declare parents on interface sometimes failing
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Hi Andy.
Thanks for the helpful links.
I made a minimal test app and ran it twice - one with it set to fail and one to pass (just commenting out a link that links to code that uses HttpSession).
Here's a snipit from the
failure pass:
[IsolatedClassLoader@1b0889a] info register aspect com.example.auditor.aspects.ClusterableHttpSessionAspect
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void org.springframework.mock.web.MockHttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'com.example.TempTest' (TempTest.java:34) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57) [with runtime test]
[AppClassLoader@92e78c] weaveinfo Join point 'method-execution(void com.example.TempTest.test())' in Type 'com.example.TempTest' (TempTest.java:32) advised by afterReturning advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:102)
[AppClassLoader@92e78c] weaveinfo Join point 'method-execution(void com.example.TempTest.test())' in Type 'com.example.TempTest' (TempTest.java:32) advised by afterThrowing advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:142)
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running com.example.TempTest
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void javax.servlet.http.HttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'com.example.Temp' (Temp.java:8) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57) [with runtime test]
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void org.springframework.mock.web.MockHttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'org.springframework.mock.web.MockHttpSession' (MockHttpSession.java:161) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57) [with runtime test]
[AppClassLoader@92e78c] weaveinfo Extending interface set for type 'javax.servlet.http.HttpSession' (HttpSession.java) to include 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj)
[AppClassLoader@92e78c] info processing reweavable type com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession: ca\gc\ic\auditor\aspects\ClusterableHttpSessionAspect.aj
[AppClassLoader@92e78c] info successfully verified type com.example.auditor.aspects.ClusterableHttpSessionAspect exists. Originates from ca\gc\ic\auditor\aspects\C:\AMISDevTools\workspace\IC_Project_Auditor\src\main\aspect\ca\gc\ic\auditor\aspects\ClusterableHttpSessionAspect.aj
[AppClassLoader@92e78c] weaveinfo Type 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj) has intertyped field from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.hashOnSet')
[AppClassLoader@92e78c] weaveinfo Type 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj) has intertyped method from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.getHashOnSet()')
[AppClassLoader@92e78c] info processing reweavable type com.example.auditor.aspects.ClusterableHttpSessionAspect: com\example\auditor\aspects\ClusterableHttpSessionAspect.aj
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.156 sec <<< FAILURE!
test(com.example.TempTest) Time elapsed: 1.844 sec <<< ERROR!
java.lang.AbstractMethodError: org.springframework.mock.web.MockHttpSession.getHashOnSet()Ljava/util/Map;
at com.example.auditor.aspects.ClusterableHttpSessionAspect.ajc$interMethodDispatch1$ca_gc_ic_auditor_aspects_ClusterableHttpSessionAspect$ca_gc_ic_auditor_aspects_ClusterableHttpSessionAspect$ClusterableHttpSession$getHashOnSet(ClusterableHttpSessionAspect.aj)
And here's a snipit from the "
success" pass:
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void org.springframework.mock.web.MockHttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'com.example.TempTest' (TempTest.java:34) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57) [with runtime test]
[AppClassLoader@92e78c] weaveinfo Join point 'method-execution(void com.example.TempTest.test())' in Type 'com.example.TempTest' (TempTest.java:32) advised by afterReturning advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:102)
[AppClassLoader@92e78c] weaveinfo Join point 'method-execution(void com.example.TempTest.test())' in Type 'com.example.TempTest' (TempTest.java:32) advised by afterThrowing advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:142)
[AppClassLoader@92e78c] weaveinfo Extending interface set for type 'javax.servlet.http.HttpSession' (HttpSession.java) to include 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj)
[AppClassLoader@92e78c] info processing reweavable type com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession: ca\gc\ic\auditor\aspects\ClusterableHttpSessionAspect.aj
[AppClassLoader@92e78c] info successfully verified type com.example.auditor.aspects.ClusterableHttpSessionAspect exists. Originates from ca\gc\ic\auditor\aspects\C:\AMISDevTools\workspace\IC_Project_Auditor\src\main\aspect\ca\gc\ic\auditor\aspects\ClusterableHttpSessionAspect.aj
[AppClassLoader@92e78c] weaveinfo Type 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj) has intertyped field from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.hashOnSet')
[AppClassLoader@92e78c] weaveinfo Type 'com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession' (ClusterableHttpSessionAspect.aj) has intertyped method from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.getHashOnSet()')
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running com.example.TempTest
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void javax.servlet.http.HttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'com.example.Temp' (Temp.java:8) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57)
[AppClassLoader@92e78c] weaveinfo Type 'org.springframework.mock.web.MockHttpSession' (MockHttpSession.java) has intertyped field from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.hashOnSet')
[AppClassLoader@92e78c] weaveinfo Type 'org.springframework.mock.web.MockHttpSession' (MockHttpSession.java) has intertyped method from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:'java.util.Map<java.lang.String,java.lang.Integer> com.example.auditor.aspects.ClusterableHttpSessionAspect$ClusterableHttpSession.getHashOnSet()')
[AppClassLoader@92e78c] weaveinfo Join point 'method-call(void org.springframework.mock.web.MockHttpSession.setAttribute(java.lang.String, java.lang.Object))' in Type 'org.springframework.mock.web.MockHttpSession' (MockHttpSession.java:161) advised by before advice from 'com.example.auditor.aspects.ClusterableHttpSessionAspect' (ClusterableHttpSessionAspect.aj:57)
[AppClassLoader@92e78c] info processing reweavable type com.example.auditor.aspects.ClusterableHttpSessionAspect: com\example\auditor\aspects\ClusterableHttpSessionAspect.aj
org.springframework.mock.web.MockHttpSession@332b9a
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.359 sec
For the success one, it looks like the code is only being weaved
after the tests have started.
I did not ask in the spring forums because this code isn't spring specific. It's to test to make sure that apps will work well in a cluster wrt session use. Some of the apps that are using it are spring, some are struts, some are a mix.
Jim
On Tue, Nov 10, 2009 at 8:27 PM, Andy Clement
<andrew.clement@xxxxxxxxx> wrote:
Hi Jim,
Whether the aspect can do the weaving (in this case change the
parents) can depend upon which classloader loads the type targetted
for weaving. If you add '-debug' to the aop.xml weaver options
section it will produce messages for which types the weaver is being
passed for weaving (more details here:
http://andrewclement.blogspot.com/2009/02/load-time-weaving-basics.html
). If your HttpSession doesn't get passed to the weaver, you won't
see a log entry and it must be getting loaded 'somewhere else' higher
up.
Are you able to target the MockHttpSession class instead? (if that is
always being loaded by the correct loader)
Did you try the Spring AOP forums:
http://forum.springsource.org/forumdisplay.php?f=31 - lots of experts
on there, in this kind of area.
cheers,
Andy
2009/11/10 Jim Sellers <jim.sellers@xxxxxxxxx>:
> Hi all.
>
> I'm having an issue where sometimes the "declare parents" code does not
> properly change the parent of the class.
>
> Declare parents is set up on HttpSession. When using spring's
> MockHttpSession (which implements HttpSession), it seems that the parent
> class doesn't get changed correctly, so it ends up with a
> AbstractMethodError.
> java.lang.AbstractMethodError:
> org.springframework.mock.web.MockHttpSession.getHashOnSet()Ljava/util/Map;
>
> *However*, if HttpSession is in the non-test class that is being called by
> the test, the declare parents command seems to run correctly.
>
> Has any one come across this? I'm going a bit nuts because I can't seem to
> figure out a consistent way to be able to get this working.
>
> Any help would be greatly appreciated.
>
> My original writeup of what I did:
>
http://www.beernut.ca/jim/archives/005157.html
>
> Thanks for your time,
> Jim
>
> aspectj-users mailing list
> aspectj-users@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/aspectj-users
>
>
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