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Questions tagged [predictionio]

Apache PredictionIO is an open source Machine Learning server for software developers to create predictive features, such as personalization, recommendation and content discovery.

PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery.

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PredictionIO-0.10.0-incubating No suitable driver found for jdbc:postgresql://localhost/pio

PredictionIO-0.10.0-incubating on ubuntu 16.04 returns error "Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:postgresql://localhost/pio" when I run bin/pio import --appid 1 --input…
washingon
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StackOverflowError when Training an Engine with PredictionIO

I have followed the QuickStart Guide at http://predictionio.incubator.apache.org/templates/recommendation/quickstart/ Installed PredictionIO. EventServer works fine. New App created successfully. GET and POST requests work fine. Import the…
Damiano Caprari
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Prediction.io - pio train fails with OutOfMemoryError

We are getting the following error after running "pio train". It works about 20 minutes and fails on Stage 26. [ERROR] [Executor] Exception in task 0.0 in stage 1.0 (TID 3) [ERROR] [SparkUncaughtExceptionHandler] Uncaught exception in thread…
gvalmon
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TextClassification of PredictionIO WILL NOT get trained. NO MATTER WHAT

Using Text Classification Engine of PredictionIO. Changed the "appName" in engine.json. Changed the code in DataSource.scala(for "Event" & "EntityType. Label & Text properties are of same form for each event in JSON file) Changed…
VedVrat
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PredictionIO Universal Recommender

I am quite new to predictionIO/universal recommender and wondering is there any way to model events between multiple entities like I want one event courseTaken between user and courses. O there I want is workingIn which will be between user and…
kbt
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predictionio pio build giving build error

I am trying to build cml project using pio build, getting some build error I executed in the cml folder, cml/project folder but I am getting same error [WARN] [Console$] This engine project directory contains an auto-generated manifest that has…
bhanuprakash
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prediction io - how to scale and distribute load across multiple machines

I have successfully installed PIO on a single machine and I see that the recommendation engine works fine. However, I would like to know how I can scale up the system to distribute the load across multiple machines, and I can't find anywhere clear…
Mister_L
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Prediction IO - Cannot call methods on a stopped SparkContext

I installed PredictionIO 0.9.6 everything is running. After that I install PredictionIO-Churn-Prediction-H2O-Sparkling-Water engine. The engine is running too. I can see here https://localhost:8000/ the running engine server. I'm trying to create a…
solarenqu
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Scala object throwing build/training error

I need some help understanding errors that are being generated through Scala class for the RandomForestAlgorithm.scala…
Patrick
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How many events are stored in my PredictionIO event server?

I imported an unknown number of events into my PIO eventserver and now I want to know that number (in order to measure and compare recommendation engines). I could not find an API for that, so I had a look at the MySQL database my server uses. I…
stholzm
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How to change user for "pio eventserver"?

I have: $ pio eventserver [INFO] [Console$] Creating Event Server at 127.0.0.1:7070 Exception in thread "main" java.sql.SQLException: Access denied for user 'pio'@'localhost' (using password: YES) at…
ABCD
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PredictionIO pio train fails with exception

I am setting up Prediction IO in my Unix machine. I am able to setup every thing required and now using the Lead Scoring template. I am successfully able to build the template using pio build --verbose command it says engine is ready to train.…
gaurav
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PredictionIO handshake_failure

I am giving PredictionIO a test and am getting below error on pio commands build, train and deploy: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure The commands do run sucessfuly, but I am unsure if this error matters.
user3295878
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Error when try to Debug PIO TRAIN via Intellij IDEA

i have installed prediction-io on ubuntu, so far i did successfull doing pio build, pio train and pio deploy via console prompt. But i always fail to debug or simulate PIO TRAIN via intellij IDEA (using guide from…
questionasker
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Prediction.io: Unable to deploy engine

I'm trying to set up a Prediction.io Text-Classification Engine on my local machine. However, upon attempting to pio build, I get the following message: [ERROR] [Console$] No valid engine instance found for engine iMXSzwtuLBqTGDQVWFwhXLyX3MELx6Ox…
ashish
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