GitHub user birdspring opened an issue:
https://github.com/apache/incubator-predictionio/issues/274
pio train error
"pio build" is successfully executed on my machine. But when I tried "pio
train", an error occurred to me, the log is as follows:
[INFO] [Engine] Extracting datasource params...
[INFO] [WorkflowUtils$] No 'name' is found. Default empty String will be
used.
[INFO] [Engine] Datasource params: (,DataSourceParams(myapp1,None))
[INFO] [Engine] Extracting preparator params...
[INFO] [Engine] Preparator params: (,Empty)
[INFO] [Engine] Extracting serving params...
[INFO] [Engine] Serving params: (,Empty)
[WARN] [Utils] Your hostname, yang resolves to a loopback address:
127.0.1.1; using 192.168.137.118 instead (on interface wlan0)
[WARN] [Utils] Set SPARK_LOCAL_IP if you need to bind to another address
[INFO] [Remoting] Starting remoting
[INFO] [Remoting] Remoting started; listening on addresses
:[akka.tcp://[email protected]:59618]
[WARN] [MetricsSystem] Using default name DAGScheduler for source because
spark.app.id is not set.
[INFO] [Engine$] EngineWorkflow.train
[INFO] [Engine$] DataSource: org.template.recommendation.DataSource@41d16cc3
[INFO] [Engine$] Preparator: org.template.recommendation.Preparator@649f25f3
[INFO] [Engine$] AlgorithmList:
List(org.template.recommendation.ALSAlgorithm@bf75b5c)
[INFO] [Engine$] Data sanity check is on.
[INFO] [Engine$] org.template.recommendation.TrainingData does not support
data sanity check. Skipping check.
[INFO] [Engine$] org.template.recommendation.PreparedData does not support
data sanity check. Skipping check.
[WARN] [BLAS] Failed to load implementation from:
com.github.fommil.netlib.NativeSystemBLAS
[WARN] [BLAS] Failed to load implementation from:
com.github.fommil.netlib.NativeRefBLAS
[WARN] [LAPACK] Failed to load implementation from:
com.github.fommil.netlib.NativeSystemLAPACK
[WARN] [LAPACK] Failed to load implementation from:
com.github.fommil.netlib.NativeRefLAPACK
[ERROR] [Executor] Exception in task 0.0 in stage 44.0 (TID 152)
[ERROR] [Executor] Exception in task 3.0 in stage 44.0 (TID 155)
[ERROR] [Executor] Exception in task 2.0 in stage 44.0 (TID 154)
[ERROR] [Executor] Exception in task 1.0 in stage 44.0 (TID 153)
[WARN] [TaskSetManager] Lost task 3.0 in stage 44.0 (TID 155, localhost):
java.lang.StackOverflowError
at java.lang.Exception.<init>(Exception.java:102)
at
java.lang.ReflectiveOperationException.<init>(ReflectiveOperationException.java:89)
at
java.lang.reflect.InvocationTargetException.<init>(InvocationTargetException.java:72)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
Any help, thanks.
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