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From "Daniel O' Shaughnessy" <danieljamesda...@gmail.com>
Subject Pio train fails for v0.11.0-incubating
Date Thu, 04 May 2017 17:26:40 GMT
Hi,

I'm getting this error when trying to train this LDA template:

https://github.com/PredictionIO/template-scala-topic-model-LDA

I can build OK but when I try and train I get this error:

Exception in thread "main" java.lang.NoSuchMethodError:
scala.runtime.IntRef.create(I)Lscala/runtime/IntRef;

at scopt.OptionParser.parse(options.scala:370)

at
org.apache.predictionio.workflow.CreateWorkflow$.main(CreateWorkflow.scala:137)

at
org.apache.predictionio.workflow.CreateWorkflow.main(CreateWorkflow.scala)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at
org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)

at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)

at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)

at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)

at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

I can successfully deploy (build. train & deploy) the exact same upgraded
LDA template to Heroku using this
<https://github.com/heroku/predictionio-buildpack> buildpack.

Using a PSQL backend for Event Storage & I followed the instructions for
upgrading pio here
<https://predictionio.incubator.apache.org/install/install-sourcecode/>.

Can't seem to find much literature on this type of error .... anyone come
across this before?


Thanks

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