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From 李玉珏@163 <18624049...@163.com>
Subject Re: about AOP development
Date Wed, 03 Feb 2016 11:45:40 GMT
Hi:

I found the ignite-aop module on github, and I asked what the module is 
to do?
In addition, this module does not have a document.

在 16/1/21 19:40, Vladimir Ershov 写道:
> Hi,
>
> Yes, sure, I can take a look. Just send me, please, your full logs with
> exception, and describe how exactly you reproduce it (how many nodes
> started, which one is client and etc.).
>
> Thanks!
>
> On Thu, Jan 21, 2016 at 9:43 AM, 李玉珏 <18624049226@163.com> wrote:
>
>> Hi:
>>
>> I understand your approach, it should be feasible, but not very elegant.
>> If use ProxyFactory in spring. At runtime dynamically add interceptor,
>> can solve the problem, but performance will influence.
>>
>> I switched to a different way of writing, using the Service mechanism,
>> code has been updated to GitHub, throws NullException. I survey the
>> reason, the problem is in service deployment process of marshal and
>> unmarshal stage, because of AdvisedSupport's methodCache is transient,
>> this may be a compatibility problem, also asks you to look at.
>>
>>
>> Sent from Mail Master
>>
>>
>> On 2016-01-20 22:20 , Vladimir Ershov <vershov@gridgain.com> Wrote:
>>
>> As for the last step, let me correct myself:
>>
>>     3. Start server Ignite node from spring context *AND *put spring jars
>> inside classpath in *.sh file. Be sure, that both nodes are using the same
>> xml context.
>>
>> On Wed, Jan 20, 2016 at 5:07 PM, Vladimir Ershov <vershov@gridgain.com>
>> wrote:
>>
>>> Hi!
>>>
>>> I've checked your code and spot an issue. The root cause, is using of
>>> Autowired annotation, since it cause bean to be serialized on a client
>>> side, and that leads ClassNotFoundException on the server side during
>> bean
>>> deserialization, since server was started from *.sh, without necessary
>>> spring jars in the classpath.
>>>
>>> Good news here, that it could be fixed easily with those steps:
>>>
>>>     1. Remove Autowired from transferred entities as ComputeGridJob
>>>     2. When you need an applicationContext, use
>>>     @SpringApplicationContextResource annotation.  You are need to use it
>> in
>>>     your ComputeGridTask.
>>>     3. Start server Ignite node from spring context, or put spring jars
>>>     inside classpath in *.sh file.
>>>
>>> Also, you can simplify your solution for ComputeGridService by using
>>> @ServiceResource. Take a look:
>>> https://apacheignite.readme.io/docs/service-example
>>>
>>> Thanks!
>>>
>>> On Wed, Jan 20, 2016 at 6:07 AM, 李玉珏 <18624049226@163.com> wrote:
>>>
>>>> Hi:
>>>> The relevant code on the GitHub, the address is:
>>>> https://github.com/liyuj/computegrid
>>>>
>>>>
>>>> Sent from Mail Master
>>>>
>>>>
>>>>
>>>> On 2016-01-20 04:32 , Dmitriy Setrakyan Wrote:
>>>>
>>>> The list does not support attachments. You can use pastebin [1] or gist
>>>> [2]
>>>> to paste your code and send the link here.
>>>>
>>>> [1] http://pastebin.com/
>>>> [2] https://gist.github.com/
>>>>
>>>> D.
>>>>
>>>> On Tue, Jan 19, 2016 at 4:48 AM, 李玉珏@163 <18624049226@163.com>
wrote:
>>>>
>>>>> Hi:
>>>>>
>>>>> I had just sent the code to the list.
>>>>>
>>>>> 在 16/1/19 20:39, Denis Magda 写道:
>>>>>
>>>>> Seems that peerClassLoading doesn't work for your case. Please share
>> the
>>>>>> source code of your example.
>>>>>>
>>>>>> --
>>>>>> Denis
>>>>>>
>>>>>> On 1/18/2016 3:48 PM, 李玉珏@163 wrote:
>>>>>>
>>>>>>> Hi:
>>>>>>>
>>>>>>> I have already opened the peerClassLoading.
>>>>>>> My practice is in eclipse create a java project, developed a
>>>>>>> ComputeTaskSplitAdapter examples, then in the ComputeJobAdapter
>> call
>>>>>>> configured spring interceptors service. This example in eclipse
>>>> operation
>>>>>>> is no problem.
>>>>>>>
>>>>>>> But if I open a node in the command line by ignite.sh, it will
>> prompt
>>>>>>> the following error in the command line.
>>>>>>>
>>>>>>> In the default configuration file of ignite, the same configuration
>> of
>>>>>>> the peerClassLoading=true.
>>>>>>>
>>>>>>> 在 16/1/18 19:39, Yakov Zhdanov 写道:
>>>>>>>
>>>>>>>> Can you please try enabling "peerClassLoading" and share
the
>> results
>>>>>>>> here?
>>>>>>>>
>>>>>>>> --Yakov
>>>>>>>>
>>>>>>>> 2016-01-16 12:09 GMT+03:00 李玉珏@163 <18624049226@163.com>:
>>>>>>>>
>>>>>>>> Hi:
>>>>>>>>> In a distributed environment, if use the spring AOP programming,
>>>>>>>>> generated
>>>>>>>>> a class of byte code enhancement, then the error will
be reported
>> as
>>>>>>>>> follows:
>>>>>>>>>
>>>>>>>>> java.lang.ClassNotFoundException:
>>>>>>>>>
>> demo.computegrid.ComputeGridService$$EnhancerBySpringCGLIB$$7b44b192
>>>>>>>>> This error I understand, this class does not exist on
the remote
>>>> node.
>>>>>>>>> But the question is, is it a technical limitation of
Ignite, or
>> is
>>>> it
>>>>>>>>> the
>>>>>>>>> way I use it,or is it a bug?
>>>>>>>>>
>>>>>>>>> I opened the peer class loading , the normal deployment
I did not
>>>> test,
>>>>>>>>> but I estimate it will be the same error.
>>>>>>>>>
>>>>>>>>>
>>>>>>>
>>>>>
>>>
>>
>>
>> 来自 *网易**手机号码邮箱* -- 手机号码就是邮箱帐号,了解详情>
<http://shouji.163.com>
>>



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