Hi Mahesh, Can you please share your samoa project?
On Sun, Jul 17, 2016 at 11:19 AM, Mahesh Dananjaya < dananjayamah...@gmail.com> wrote: > > ---------- Forwarded message ---------- > From: Mahesh Dananjaya <dananjayamah...@gmail.com> > 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 <mahesha...@wso2.com> > > > 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 < > dananjayamah...@gmail.com> wrote: > >> Hi srinath, >> sure.i am working on it.thank you. >> regards, >> Mahesh. >> >> On Thu, Jul 14, 2016 at 11:12 AM, Srinath Perera <srin...@wso2.com> >> 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 < >>> dananjayamah...@gmail.com> 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 < >>>> dananjayamah...@gmail.com> 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 > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Pruthuvi Maheshakya Wijewardena mahesha...@wso2.com +94711228855
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