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From Pat Ferrel <>
Subject Re: Error while pio status
Date Mon, 03 Apr 2017 13:22:01 GMT
If you are still using the UR you don’t need HDFS as a storage backend.

In setup instructions, “some-master” is a placeholder where you actually enter the DNS
name or IP address of your actual master machine running Elasticsearch. This can be a list
comma separated, no spaces.

Can you share your

On Apr 3, 2017, at 4:31 AM, infoquest india <> wrote:


I am using pio status i am getting error 

SLF4J: Class path contains multiple SLF4J bindings.

SLF4J: Found binding in [jar:file:/home/aml/pio/PredictionIO-0.11.0-SNAPSHOT/lib/spark/pio-data-hdfs-assembly-0.11.0-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: Found binding in [jar:file:/home/aml/pio/PredictionIO-0.11.0-SNAPSHOT/lib/pio-assembly-0.11.0-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]

SLF4J: See <>
for an explanation.

SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]

[INFO] [Management$] Inspecting PredictionIO...

[INFO] [Management$] PredictionIO 0.11.0-SNAPSHOT is installed at /home/aml/pio/PredictionIO-0.11.0-SNAPSHOT

[INFO] [Management$] Inspecting Apache Spark...

[INFO] [Management$] Apache Spark is installed at None

[INFO] [Management$] Apache Spark 1.6.3 detected (meets minimum requirement of 1.3.0)

[INFO] [Management$] Inspecting storage backend connections...

[INFO] [Storage$] Verifying Meta Data Backend (Source: ELASTICSEARCH)...

[INFO] [Storage$] Verifying Model Data Backend (Source: HDFS)...

[ERROR] [Storage$] Error initializing storage client for source HDFS

[ERROR] [Management$] Unable to connect to all storage backends successfully.

The following shows the error message from the storage backend.

Data source HDFS was not properly initialized. (

Dumping configuration of initialized storage backend sources.

Please make sure they are correct.

Source Name: ELASTICSEARCH; Type: elasticsearch; Configuration: HOME -> /usr/local/elasticsearch,
HOSTS -> some-master, PORTS -> 9300, CLUSTERNAME -> infoquest, TYPE -> elasticsearch

Source Name: HDFS; Type: (error); Configuration: (error)


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