Re: ThreadLocal not serialzable

Jonas BonĂ©r <[email protected]> Wed, 07 May 2003 13:25:14 +0200
Newsgroups gmane.comp.java.aspectwerkz
Message-ID <[email protected]>
Hi Tom.

I have implemented your solution with a custom serializable ThreadLocal 
  class. It works fine for now.
I will ship it along with the next release (within a week).

Sincerely, Jonas.

Tom Miller wrote:
> I did some thinking, read up some more on serialization, and read a 
> little more of the AspectWerkz source code. I discovered the 
> 'threadSafe="false"' attribute in <pointcut/> in one of the tests 
> (although I'm not clear whether that is appropriate with a perInstance 
> or perThread demployment model).
> 
> So I tried using that, but now I'm getting:
> java.io.NotSerializableException: java.lang.reflect.Method
> presumably because the joinpoints are now "MemberMethodJoinPoint" 
> objects which contain java.lang.reflect.Method objects (not serializable).
> 
> I've been thinking perhaps I should extend java.lang.reflect.Method, or 
> java.lang.ThreadLocal, and make it implement Serializable.
> 
> But of course I'm open to any better advice.
> 
> Thanks
> Tom
> 
> Tom Miller wrote:
> 
>> Being my first post to this list, let me congratulate Jonas on a great 
>>  framework! AspectWerkz is very nice to work with, and well thought 
>> out. I've been dinking around with the 0.4 examples and having some 
>> fair success with my own stuff. Although I've read a little, and have 
>> been to an AspectJ seminar, this is the first AOP programming I've 
>> done, and I like it very much.
>>
>> I've been working on a Prevayler-enabled persistence project which I'm 
>> aspectizing with AW. Looking at the decompiled persistent classes, I 
>> see that all of my setter functions, which have been given an Advice, 
>> have java.lang.ThreadLocal objects created for them. When Prevayler 
>> attempts to serialize these objects, I get a
>> java.io.NotSerializableException: java.lang.ThreadLocal
>>
>> I hope there is some obvious solution which I'm just not seeing yet. 
>> Any ideas?
>>
>> TIA
> 
> 
> 


-- 
Jonas
http://freeroller.net/page/jboner





-------------------------------------------------------
Enterprise Linux Forum Conference & Expo, June 4-6, 2003, Santa Clara
The only event dedicated to issues related to Linux enterprise solutions
www.enterpriselinuxforum.com