Would it make sense to tweak the Spark installation instructions slightly with this information, Josh?
On Wed, Dec 9, 2015 at 9:11 AM, Cox, Jonathan A <[email protected]> wrote: > Josh, > > > > Previously, I was using the SPARK_CLASSPATH, but then read that it was > deprecated and switched to the spark-defaults.conf file. The result was the > same. > > > > Also, I was using ‘spark-1.5.2-bin-hadoop2.6.tgz’, which includes some > Hadoop 2.6 JARs. This caused the trouble. However, by separately > downloading Hadoop 2.6 and Spark without Hadoop, the errors went away. > > > > -Jonathan > > > > *From:* Josh Mahonin [mailto:[email protected]] > *Sent:* Wednesday, December 09, 2015 5:57 AM > *To:* [email protected] > *Subject:* Re: [EXTERNAL] Re: Confusion Installing Phoenix Spark Plugin / > Various Errors > > > > Hi Jonathan, > > > > Thanks for the information. If you're able, could you also try the > 'SPARK_CLASSPATH' environment variable instead of the spark-defaults.conf > setting, and let us know if that works? Also the exact Spark package you're > using would be helpful as well (from source, prebuilt for 2.6+, 2.4+, CDH, > etc.) > > Thanks, > > > > Josh > > > > On Wed, Dec 9, 2015 at 12:08 AM, Cox, Jonathan A <[email protected]> wrote: > > Alright, I reproduced what you did exactly, and it now works. The problem > is that the Phoenix client JAR is not working correctly with the Spark > builds that include Hadoop. > > > > When I downloaded the Spark build with user provided Hadoop, and also > installed Hadoop manually, Spark works with Phoenix correctly! > > > > Thank you much, > > Jonathan > > Sent from my iPhone > > > On Dec 8, 2015, at 8:54 PM, Josh Mahonin <[email protected]> wrote: > > Hi Jonathan, > > > > Spark only needs the client JAR. It contains all the other Phoenix > dependencies as well. > > > > I'm not sure exactly what the issue you're seeing is. I just downloaded > and extracted fresh copies of Spark 1.5.2 (pre-built with user-provided > Hadoop), and the latest Phoenix 4.6.0 binary release. > > > > I copied the 'phoenix-4.6.0-HBase-1.1-client.jar' to /tmp and created a > 'spark-defaults.conf' in the 'conf' folder of the Spark install with the > following: > > > spark.executor.extraClassPath /tmp/phoenix-4.6.0-HBase-1.1-client.jar > > spark.driver.extraClassPath /tmp/phoenix-4.6.0-HBase-1.1-client.jar > > I then launched the 'spark-shell', and was able to execute: > > import org.apache.phoenix.spark._ > > > > From there, you should be able to use the methods provided by the > phoenix-spark integration within the Spark shell. > > > > Good luck, > > > > Josh > > > > On Tue, Dec 8, 2015 at 8:51 PM, Cox, Jonathan A <[email protected]> wrote: > > I am trying to get Spark up and running with Phoenix, but the installation > instructions are not clear to me, or there is something else wrong. I’m > using Spark 1.5.2, HBase 1.1.2 and Phoenix 4.6.0 with a standalone install > (no HDFS or cluster) with Debian Linux 8 (Jessie) x64. I’m also using Java > 1.8.0_40. > > > > The instructions state: > > 1. Ensure that all requisite Phoenix / HBase platform dependencies > are available on the classpath for the Spark executors and drivers > > 2. One method is to add the phoenix-4.4.0-client.jar to > ‘SPARK_CLASSPATH’ in spark-env.sh, or setting both > ‘spark.executor.extraClassPath’ and ‘spark.driver.extraClassPath’ in > spark-defaults.conf > > > > *First off, what are “all requisite Phoenix / HBase platform > dependencies”?* #2 suggests that all I need to do is add > ‘phoenix-4.6.0-HBase-1.1-client.jar’ to Spark’s class path. But what about > ‘phoenix-spark-4.6.0-HBase-1.1.jar’ or ‘phoenix-core-4.6.0-HBase-1.1.jar’? > Do either of these (or anything else) need to be added to Spark’s class > path? > > > > Secondly, if I follow the instructions exactly, and add only > ‘phoenix-4.6.0-HBase-1.1-client.jar’ to ‘spark-defaults.conf’: > > spark.executor.extraClassPath > /usr/local/phoenix/phoenix-4.6.0-HBase-1.1-client.jar > > spark.driver.extraClassPath > /usr/local/phoenix/phoenix-4.6.0-HBase-1.1-client.jar > > Then I get the following error when starting the interactive Spark shell > with ‘spark-shell’: > > 15/12/08 18:38:05 WARN ObjectStore: Version information not found in > metastore. hive.metastore.schema.verification is not enabled so recording > the schema version 1.2.0 > > 15/12/08 18:38:05 WARN ObjectStore: Failed to get database default, > returning NoSuchObjectException > > 15/12/08 18:38:05 WARN Hive: Failed to access metastore. This class should > not accessed in runtime. > > org.apache.hadoop.hive.ql.metadata.HiveException: > java.lang.RuntimeException: Unable to instantiate > org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient > > at > org.apache.hadoop.hive.ql.metadata.Hive.getAllDatabases(Hive.java:1236) > > … > > > > <console>:10: error: not found: value sqlContext > > import sqlContext.implicits._ > > ^ > > <console>:10: error: not found: value sqlContext > > import sqlContext.sql > > > > On the other hand, if I include all three of the aforementioned JARs, I > get the same error. However, *if I include only the > ‘phoenix-spark-4.6.0-HBase-1.1.jar’*, spark-shell seems so launch without > error. Nevertheless, if I then try the simple tutorial commands in > spark-shell, I get the following: > > *Spark output:* SQL context available as sqlContext. > > > > *scala >>* import org.apache.spark.SparkContext > > import org.apache.spark.sql.SQLContext > > import org.apache.phoenix.spark._ > > > > val sqlContext = new SQLContext(sc) > > > > val df = > sqlContext.load("org.apache.phoenix.spark", Map("table" -> "TABLE1", > "zkUrl" -> "phoenix-server:2181") > > > > *Spark error:* > > *java.lang.NoClassDefFoundError: > org/apache/hadoop/hbase/HBaseConfiguration* > > at > org.apache.phoenix.spark.PhoenixRDD.getPhoenixConfiguration(PhoenixRDD.scala:71) > > at > org.apache.phoenix.spark.PhoenixRDD.phoenixConf$lzycompute(PhoenixRDD.scala:39) > > at > org.apache.phoenix.spark.PhoenixRDD.phoenixConf(PhoenixRDD.scala:38) > > at > org.apache.phoenix.spark.PhoenixRDD.<init>(PhoenixRDD.scala:42) > > at > org.apache.phoenix.spark.PhoenixRelation.schema(PhoenixRelation.scala:50) > > at > org.apache.spark.sql.execution.datasources.LogicalRelation.<init>(LogicalRelation.scala:37) > > at > org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:120) > > > > This final error seems similar to the one in mailing list post Phoenix-spark > : NoClassDefFoundError: HBaseConfiguration > <http://mail-archives.apache.org/mod_mbox/phoenix-user/201511.mbox/ajax/%3CCAKwwsRSEJHkotiF28kzumDZM6kgBVeTJNGUoJnZcLiuEGCTjHQ%40mail.gmail.com%3E> > < > http://mail-archives.apache.org/mod_mbox/phoenix-user/201511.mbox/ajax/%3CCAKwwsRSEJHkotiF28kzumDZM6kgBVeTJNGUoJnZcLiuEGCTjHQ%40mail.gmail.com%3E>. > But the question does not seem to have been answered satisfactory. Also > note, if I include all three JARs, as he did, I get an error when launching > spark-shell. > > > > *Can you please clarify what is the proper way to install and configure > Phoenix with Spark?* > > > > Sincerely, > > Jonathan > > > > >
