Hi Supun,
This is the error i am getting while run the extension in the cabon-ml side,
plase reffer to link [1] for the class.
ERROR
{org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder}
- Fail to initialize the task
java.lang.Exception: Class not found: StreamingClusteringTask
at
com.github.javacliparser.ClassOption.cliStringToObject(ClassOption.java:136)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder.initClusteringTask(StreamingClusteringTaskBuilder.java:129)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder.initTask(StreamingClusteringTaskBuilder.java:100)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClustering.run(StreamingClustering.java:77)
at java.lang.Thread.run(Thread.java:745)
[2016-08-04 16:23:07,437] INFO
{org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder}
- Fail to initialize the taskjava.lang.Exception: Class not found:
StreamingClusteringTask
+++++++Please refeer link [1] for the StreamingClusteringTask.++++++++
Then again for StreamingClusteringStream class while i bypass the String
query in the initTask(). please refer link [2] for the class.
Exception in thread "Thread-60" java.lang.IllegalArgumentException:
Problems with option: streamTrain
at
com.github.javacliparser.ClassOption.setValueViaCLIString(ClassOption.java:64)
at
com.github.javacliparser.AbstractOption.resetToDefault(AbstractOption.java:90)
at
com.github.javacliparser.AbstractClassOption.<init>(AbstractClassOption.java:84)
at
com.github.javacliparser.AbstractClassOption.<init>(AbstractClassOption.java:63)
at com.github.javacliparser.ClassOption.<init>(ClassOption.java:38)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTask.<init>(StreamingClusteringTask.java:52)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder.initClusteringTask(StreamingClusteringTaskBuilder.java:140)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringTaskBuilder.initTask(StreamingClusteringTaskBuilder.java:103)
at
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClustering.run(StreamingClustering.java:77)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.Exception: Class not found:
org.wso2.carbon.ml.siddhi.extension.streaming.samoa.StreamingClusteringStream
at
com.github.javacliparser.ClassOption.cliStringToObject(ClassOption.java:136)
at
com.github.javacliparser.ClassOption.setValueViaCLIString(ClassOption.java:61)
... 9 more
Those Class Not Found Exceptions are at runtime. Do i have do anything on
the carbon-ml side for this.My samoa cores can be found in [3]. Those are
working fine and no Class Not Found Exceptions arrive when running outside
the carbon-ml.
thank you.
regards,
Mahesh.
[1]
https://github.com/dananjayamahesh/carbon-ml/blob/wso2_gsoc_ml6_cml/components/extensions/org.wso2.carbon.ml.siddhi.extension/src/main/java/org/wso2/carbon/ml/siddhi/extension/streaming/samoa/StreamingClusteringTask.java
[2]
https://github.com/dananjayamahesh/carbon-ml/blob/wso2_gsoc_ml6_cml/components/extensions/org.wso2.carbon.ml.siddhi.extension/src/main/java/org/wso2/carbon/ml/siddhi/extension/streaming/samoa/StreamingClusteringTask.java
[3]
https://github.com/dananjayamahesh/carbon-ml/tree/wso2_gsoc_ml6_cml/components/extensions/org.wso2.carbon.ml.siddhi.extension/src/main/java/org/wso2/carbon/ml/siddhi/extension/streaming/samoa
On Thu, Aug 4, 2016 at 12:30 PM, Supun Sethunga <[email protected]> wrote:
> Hi Mahesh,
>
> samoa dependency version in siddhi-extension should be
> *0.4.0-incubating-SNAPSHOT*. That should solve the issue
>
> Regards,
> Supun
>
> On Thu, Aug 4, 2016 at 11:50 AM, Mahesh Dananjaya <
> [email protected]> wrote:
>
>> Hi all,
>> samoa is in my local repository and dependencies works fine with all
>> other extensions that add samoa 0.4.0-incubator dependencies. But only when
>> i build carbon-ml, it gives priority for the remote repository for looking
>> samoa. SO any help with this to give priority for local m2 repo before
>> carbon-ml building is looking for the remote one. I am getting the error
>> because of this. maven option -U also not seems to be working here. any
>> help please.
>>
>> [ERROR] Failed to execute goal on project
>> org.wso2.carbon.ml.siddhi.extension:
>> Could not resolve dependencies for project org.wso2.carbon.ml:org.wso2.
>> carbon.ml.siddhi.extension:bundle:1.1.2-SNAPSHOT: The following
>> artifacts could not be resolved:
>> org.apache.samoa:samoa-api:jar:0.4.0-incubating,
>> org.apache.samoa:samoa-local:jar:0.4.0-incubating: Could not find
>> artifact org.apache.samoa:samoa-api:jar:0.4.0-incubating in wso2-nexus (
>> http://maven.wso2.org/nexus/content/groups/wso2-public/)
>>
>> Since samoa will be used for future work, is it possible to add that in
>> the relevant wso2 repo. Because there are still no samoa 0.4.0-incubator
>> maven repo. only 0.3.0. we cannot continue our work with the 0.3.0 since it
>> is outdated.
>>
>> thank you.
>> regards,
>> Mahesh.
>>
>> On Wed, Aug 3, 2016 at 4:29 PM, Miyuru Dayarathna <[email protected]>
>> wrote:
>>
>>> Adding Jayan to this email thread.
>>>
>>> --
>>> Thanks,
>>> Miyuru Dayarathna
>>> Senior Technical Lead
>>> Mobile: +94713527783
>>> Blog: http://miyurublog.blogspot.com
>>>
>>> On Wed, Aug 3, 2016 at 3:11 PM, Supun Sethunga <[email protected]> wrote:
>>>
>>>> Hi Mahesh,
>>>>
>>>> you should build carbon-ml *without *-U option. -U means you force mvn
>>>> to look for updates in remote repo. Rather run it with -o option. Also, can
>>>> you double check whether the dependencies are defined correctly (group
>>>> Id's, versions etc).
>>>>
>>>> Alternatively, it seems there is a samoa released version in mvn repo.
>>>> Maybe you could try that one as well. But that's v0.3.0..
>>>>
>>>> [1] https://mvnrepository.com/artifact/org.apache.samoa
>>>>
>>>> On Wed, Aug 3, 2016 at 2:54 PM, Mahesh Dananjaya <
>>>> [email protected]> wrote:
>>>>
>>>>> Hi Supun,
>>>>> I just neeed a little help. I am in the process of integrating my
>>>>> samoa core functions and extension into carbon-ml's siddhi extension. For
>>>>> samoa i am using locally built samoa project to provide samoa 0.4.0
>>>>> dependencies,since we dont have it in the maven repo or else where. But
>>>>> when i build carbon-ml by adding samoa dependencies, it seems to be maven
>>>>> search for remote location, not the local maven repo first. I am running
>>>>> maven with -U option. But still the problems occurs. Is there any specific
>>>>> thing in carbon-ml like settings to search remote before local one? I just
>>>>> need to give local maven repo for the dependency. My extension seperately
>>>>> working fine, so there is no problem wihat the local dependencies outside
>>>>> carbon-ml. So can you please help me with this.thank you.
>>>>> regards,
>>>>> Mahesh.
>>>>>
>>>>> On Fri, Jul 22, 2016 at 3:17 PM, Srinath Perera <[email protected]>
>>>>> wrote:
>>>>>
>>>>>> Hi Mahesh,
>>>>>>
>>>>>> On Thu, Jul 21, 2016 at 2:10 PM, Mahesh Dananjaya <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Hi All,
>>>>>>> I am onto connecting cep streams with samoa streams to data analysis
>>>>>>> using samoa framework. To connect samoa with cep siddhi event streams
>>>>>>> what
>>>>>>> i we can do is that try to convert cep streams into samoa streams or
>>>>>>> else
>>>>>>> writing wrpper for samoa for cep streasm to be used. In both cases i
>>>>>>> have
>>>>>>> to covert siddhi cep streasm into samoa streams. Samoa is using MOA to
>>>>>>> analyse data. Moo contains ML framework to analyse stream data. Samoa is
>>>>>>> wrapping MOA withsome of its classes.
>>>>>>>
>>>>>>> Samoa streams is based on MOA, Instance and InstanceStreams. Samoa
>>>>>>> see streams as a stream of instances [1]. So if we are going to convert
>>>>>>> cep
>>>>>>> events into samoa instances , it will take time. But if we have some
>>>>>>> similarity between cep siddhi streams and samoa streasm we can reduce
>>>>>>> the
>>>>>>> time.
>>>>>>> 1. What is the underlying infrastructure for cep siddhi streasm.?
>>>>>>> 2. Are there anything as Instances or InstanceStreams kind of
>>>>>>> implmentation underlying cep streams?
>>>>>>> 3. How can i get more underestanding on CEP siddhi streams.
>>>>>>>
>>>>>>> On the other hand i can use my cep siddhi extension and put those
>>>>>>> events into event queue and convert them into samoa instances and feed
>>>>>>> them
>>>>>>> into samoa streaming ml topologies.
>>>>>>>
>>>>>> I think this is OK. I assume this is much easier. Let's do this and
>>>>>> check the performance.
>>>>>>
>>>>>>
>>>>>>> There is another option. In Samoa what they are basically doing is
>>>>>>> that wrapping MOA ML framework and write some classes for build
>>>>>>> streaming
>>>>>>> ml topologies. So as the other option i can wrap samoa moa with my
>>>>>>> design
>>>>>>> and use moa ml framework directly. (No need for Samoa extension). I have
>>>>>>> building some topologies to streaming data analysis [2]. Main problem is
>>>>>>> that lack of documentation. Anyway i had go through their whole samoa
>>>>>>> design.thank you.
>>>>>>>
>>>>>>
>>>>>> If we use MOA directly, would we loose the distributed support in
>>>>>> SAOMA. Let's do a call when you can, so we can dsicuss this in detail.
>>>>>>
>>>>>> --Srinath
>>>>>>
>>>>>>
>>>>>>
>>>>>>> regards,
>>>>>>> Mahesh.
>>>>>>>
>>>>>>> [1] https://github.com/apache/incubator-samoa/blob/master/
>>>>>>> samoa-api/src/main/java/org/apache/samoa/streams/
>>>>>>> clustering/ClusteringStream.java
>>>>>>> [2] https://github.com/dananjayamahesh/GSOC2016/tree/
>>>>>>> master/gsoc/samoa/streaming/src/main/java/org/gsoc/samoa/streaming
>>>>>>>
>>>>>>> On Mon, Jul 18, 2016 at 11:40 AM, Mahesh Dananjaya <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> Hi Maheshakya,
>>>>>>>> Samoa modules built as topologies that connect streams with the
>>>>>>>> internal processors. I have already written some examples to test the
>>>>>>>> ML
>>>>>>>> algorithms and samoa analysis topologies. What we need to done is
>>>>>>>> mostly
>>>>>>>> developing a wrapper around samoa topologies to connect their input and
>>>>>>>> output streams with our cep streams. So i am currently going through
>>>>>>>> their
>>>>>>>> stream architecture to connect our streams with their streams. Couple
>>>>>>>> of
>>>>>>>> examples exapaining samoa ml topologies and streaming can be found in
>>>>>>>> my
>>>>>>>> git hub repo [1]. Samoa using MOA ml algorithms by wrapping them with
>>>>>>>> their
>>>>>>>> classes. Initailly i am trying to develop a KMeansClustering analysis
>>>>>>>> with
>>>>>>>> cep streams with samoa ml topologies.
>>>>>>>> And also i could not find a maven repo for samoa 0.4.0 incubating.
>>>>>>>> So i am currently using my local m2 repo's samoa 0..4.0 incubating for
>>>>>>>> my
>>>>>>>> dependencies to work. The local one is built by original samoa
>>>>>>>> source.thank
>>>>>>>> you.
>>>>>>>>
>>>>>>>> regards,
>>>>>>>> Mahesh.
>>>>>>>>
>>>>>>>> [1] https://github.com/dananjayamahesh/GSOC2016/tree/
>>>>>>>> master/gsoc/samoa/streaming/src/main/java/org/gsoc/samoa/streaming
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Jul 18, 2016 at 8:32 AM, Maheshakya Wijewardena <
>>>>>>>> [email protected]> wrote:
>>>>>>>>
>>>>>>>>> Hi Mahesh,
>>>>>>>>>
>>>>>>>>> Can you please share your samoa project?
>>>>>>>>>
>>>>>>>>> On Sun, Jul 17, 2016 at 11:19 AM, Mahesh Dananjaya <
>>>>>>>>> [email protected]> wrote:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ---------- Forwarded message ----------
>>>>>>>>>> From: Mahesh Dananjaya <[email protected]>
>>>>>>>>>> Date: Sun, Jul 17, 2016 at 11:18 AM
>>>>>>>>>> Subject: Re: GSOC2016: [ML][CEP] [SAMOA]Predictive analytic with
>>>>>>>>>> online data for WSO2 Machine Learner-Samoa Integration
>>>>>>>>>> To: Maheshakya Wijewardena <[email protected]>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi Maheshakaya,
>>>>>>>>>> just need a little help. In Samoa when we want to run a class
>>>>>>>>>> what is does it used this commands [1],
>>>>>>>>>> 1. bin/samoa storm target/SAMOA-Storm-0.0.1-SNAPSHOT.jar
>>>>>>>>>> "ClusteringEvaluation"
>>>>>>>>>> 2. bin/samoa storm target/SAMOA-Storm-0.0.1-SNAPSHOT.jar
>>>>>>>>>> "PrequentialEvaluation -d /tmp/dump.csv -i 1000000 -f 100000 -l
>>>>>>>>>> (classifiers.trees.VerticalHoeffdingTree -p 4) -s
>>>>>>>>>> (generators.RandomTreeGenerator
>>>>>>>>>> -c 2 -o 10 -u 10)"
>>>>>>>>>>
>>>>>>>>>> what is does is call a class named LocalDoTask [4] and pass this
>>>>>>>>>> string as argument.After that that LocalDoTask call the relevent
>>>>>>>>>> Tasks such
>>>>>>>>>> as ClusteringEvaluation or PrequentialEvaluation. [2].
>>>>>>>>>>
>>>>>>>>>> Now i have add samoa dependencies to my new maven project, where
>>>>>>>>>> i used original samoa source to write examples and test then
>>>>>>>>>> earlier.Now i
>>>>>>>>>> want to push them into my new java project with samoa dependencies.
>>>>>>>>>> I added
>>>>>>>>>> dependency and it was built fine. Now i am calling my local
>>>>>>>>>> DoTask.java [3]
>>>>>>>>>> file as same as i did with samoa with,
>>>>>>>>>> java -cp target/streaming-1.0-SNAPSHOT.jar
>>>>>>>>>> org.gsoc.samoa.streaming.DoTask "org.gsoc.samoa.streaming.
>>>>>>>>>> ClusteringEvaluation"
>>>>>>>>>> But seems to be i am incorrect in some place.
>>>>>>>>>> Error: A JNI error has occurred, please check your installation
>>>>>>>>>> and try again
>>>>>>>>>> Exception in thread "main" java.lang.NoClassDefFoundError:
>>>>>>>>>> org/apache/samoa/topology/ComponentFactory
>>>>>>>>>> at java.lang.Class.getDeclaredMethods0(Native Method)
>>>>>>>>>> at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
>>>>>>>>>> at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
>>>>>>>>>> at java.lang.Class.getMethod0(Class.java:3018)
>>>>>>>>>> at java.lang.Class.getMethod(Class.java:1784)
>>>>>>>>>> at sun.launcher.LauncherHelper.validateMainClass(
>>>>>>>>>> LauncherHelper.java:544)
>>>>>>>>>> at sun.launcher.LauncherHelper.checkAndLoadMain(
>>>>>>>>>> LauncherHelper.java:526)
>>>>>>>>>> Caused by: java.lang.ClassNotFoundException:
>>>>>>>>>> org.apache.samoa.topology.ComponentFactory
>>>>>>>>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>>>>>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>>>>>>>>> at sun.misc.Launcher$AppClassLoader.loadClass(
>>>>>>>>>> Launcher.java:331)
>>>>>>>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>>>>>>>>> ... 7 more
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> can i actually call the Task like this.
>>>>>>>>>>
>>>>>>>>>> BR,
>>>>>>>>>> Mahesh.
>>>>>>>>>>
>>>>>>>>>> [1] https://samoa.incubator.apache.org/documentation/
>>>>>>>>>> Prequential-Evaluation-Task.html
>>>>>>>>>> [2] https://github.com/apache/incubator-samoa/blob/releases/
>>>>>>>>>> 0.4.0-incubating-RC0/samoa-api/src/main/java/org/apache/
>>>>>>>>>> samoa/tasks/ClusteringEvaluation.java
>>>>>>>>>> [3] https://github.com/dananjayamahesh/GSOC2016/tree/
>>>>>>>>>> master/gsoc/samoa/streaming/src/main/java/org/gsoc/samoa/
>>>>>>>>>> streaming
>>>>>>>>>> [4] https://github.com/apache/incubator-samoa/tree/releases/
>>>>>>>>>> 0.4.0-incubating-RC0/samoa-local/src/main/java/org/apache/samoa
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Jul 14, 2016 at 3:47 PM, Mahesh Dananjaya <
>>>>>>>>>> [email protected]> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi srinath,
>>>>>>>>>>> sure.i am working on it.thank you.
>>>>>>>>>>> regards,
>>>>>>>>>>> Mahesh.
>>>>>>>>>>>
>>>>>>>>>>> On Thu, Jul 14, 2016 at 11:12 AM, Srinath Perera <
>>>>>>>>>>> [email protected]> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi Mahesh,
>>>>>>>>>>>>
>>>>>>>>>>>> Let's focus on getting SAOMA work with CEP. It is OK to be
>>>>>>>>>>>> limited to few algorithms.
>>>>>>>>>>>>
>>>>>>>>>>>> --Srinath
>>>>>>>>>>>>
>>>>>>>>>>>> On Thu, Jul 14, 2016 at 10:49 AM, Mahesh Dananjaya <
>>>>>>>>>>>> [email protected]> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Hi Maheshakya,
>>>>>>>>>>>>> I think we can build new tasks [1] like the one in execution
>>>>>>>>>>>>> plan in cep with samoa. I will try to build a one.
>>>>>>>>>>>>> regards,
>>>>>>>>>>>>> Mahesh.
>>>>>>>>>>>>> [1] https://samoa.incubator.apache.org/documentation/
>>>>>>>>>>>>> Developing-New-Tasks-in-SAMOA.html
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Thu, Jul 14, 2016 at 10:35 AM, Mahesh Dananjaya <
>>>>>>>>>>>>> [email protected]> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi Maheshakya,
>>>>>>>>>>>>>> I am building and running samoa to see its functionality. In
>>>>>>>>>>>>>> samoa still we have limited supports in algorithms. Samoa
>>>>>>>>>>>>>> supports only
>>>>>>>>>>>>>> classification and clustering with streams. It also use kind of
>>>>>>>>>>>>>> StreamProcessor, like the one we use in StreamProcessor
>>>>>>>>>>>>>> extension. I was
>>>>>>>>>>>>>> getting started with Samoa referring to this page [1]. Then i
>>>>>>>>>>>>>> ran couple of
>>>>>>>>>>>>>> examples to identified the flow. Samoa use hadoop framework
>>>>>>>>>>>>>> instead spark
>>>>>>>>>>>>>> for distribution. But i am using it in a local mode. When i see
>>>>>>>>>>>>>> the Samoa
>>>>>>>>>>>>>> core there is only limited algorithms. IMO if we are going to
>>>>>>>>>>>>>> use Samoa we
>>>>>>>>>>>>>> have to limit the functionality and algorithms [2]. When i go to
>>>>>>>>>>>>>> developer
>>>>>>>>>>>>>> corner in [3], it seems to be something like CEP extension that
>>>>>>>>>>>>>> we are
>>>>>>>>>>>>>> using currenlty. SO in Samoa though the algorihtms are limited,
>>>>>>>>>>>>>> they have
>>>>>>>>>>>>>> implemented streaming support for them. Therefore if we
>>>>>>>>>>>>>> integrate it into
>>>>>>>>>>>>>> CEP we have to look for how to handle streams and algorithms in
>>>>>>>>>>>>>> Samoa side.
>>>>>>>>>>>>>> Is it good for your side to have both hadoop and spark running
>>>>>>>>>>>>>> background.thank you.
>>>>>>>>>>>>>> regards,
>>>>>>>>>>>>>> Mahesh.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> [1] https://samoa.incubator.apache.org/documentation/Home.
>>>>>>>>>>>>>> html
>>>>>>>>>>>>>> [2] https://samoa.incubator.apache.org/documentation/api/
>>>>>>>>>>>>>> current/index.html
>>>>>>>>>>>>>> [3] https://samoa.incubator.apache.org/documentation/
>>>>>>>>>>>>>> SAMOA-Topology.html
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> ============================
>>>>>>>>>>>> Srinath Perera, Ph.D.
>>>>>>>>>>>> http://people.apache.org/~hemapani/
>>>>>>>>>>>> http://srinathsview.blogspot.com/
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Dev mailing list
>>>>>>>>>> [email protected]
>>>>>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Pruthuvi Maheshakya Wijewardena
>>>>>>>>>
>>>>>>>>> [email protected]
>>>>>>>>> +94711228855
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> ============================
>>>>>> Srinath Perera, Ph.D.
>>>>>> http://people.apache.org/~hemapani/
>>>>>> http://srinathsview.blogspot.com/
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> *Supun Sethunga*
>>>> Senior Software Engineer
>>>> WSO2, Inc.
>>>> http://wso2.com/
>>>> lean | enterprise | middleware
>>>> Mobile : +94 716546324
>>>> Blog: http://supunsetunga.blogspot.com
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks,
>>> Miyuru Dayarathna
>>> Senior Technical Lead
>>> Mobile: +94713527783
>>> Blog: http://miyurublog.blogspot.com
>>>
>>
>>
>
>
> --
> *Supun Sethunga*
> Senior Software Engineer
> WSO2, Inc.
> http://wso2.com/
> lean | enterprise | middleware
> Mobile : +94 716546324
> Blog: http://supunsetunga.blogspot.com
>
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