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From Mich Talebzadeh <mich.talebza...@gmail.com>
Subject Loading data into Hbase table throws NoClassDefFoundError: org/apache/htrace/Trace error
Date Sat, 01 Oct 2016 22:22:09 GMT
Trying bulk load using Hfiles in Spark as below example:

import org.apache.spark._
import org.apache.spark.rdd.NewHadoopRDD
import org.apache.hadoop.hbase.{HBaseConfiguration, HTableDescriptor}
import org.apache.hadoop.hbase.client.HBaseAdmin
import org.apache.hadoop.hbase.mapreduce.TableInputFormat
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HColumnDescriptor
import org.apache.hadoop.hbase.util.Bytes
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.mapred.TableOutputFormat
import org.apache.hadoop.mapred.JobConf
import org.apache.hadoop.hbase.io.ImmutableBytesWritable
import org.apache.hadoop.mapreduce.Job
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat
import org.apache.hadoop.hbase.KeyValue
import org.apache.hadoop.hbase.mapreduce.HFileOutputFormat
import org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles

So far no issues.

Then I do

val conf = HBaseConfiguration.create()
conf: org.apache.hadoop.conf.Configuration = Configuration:
core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml,
yarn-default.xml, yarn-site.xml, hbase-default.xml, hbase-site.xml
val tableName = "testTable"
tableName: String = testTable

But this one fails:

scala> val table = new HTable(conf, tableName)
java.io.IOException: java.lang.reflect.InvocationTargetException
  at
org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:240)
  at
org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:431)
  at
org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:424)
  at
org.apache.hadoop.hbase.client.ConnectionManager.getConnectionInternal(ConnectionManager.java:302)
  at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:185)
  at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:151)
  ... 52 elided
Caused by: java.lang.reflect.InvocationTargetException:
java.lang.NoClassDefFoundError: org/apache/htrace/Trace
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
  at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
  at
org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
  ... 57 more
Caused by: java.lang.NoClassDefFoundError: org/apache/htrace/Trace
  at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:216)
  at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:419)
  at
org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
  at
org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:105)
  at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:905)
  at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:648)
  ... 62 more
Caused by: java.lang.ClassNotFoundException: org.apache.htrace.Trace

I have got all the jar files in spark-defaults.conf

spark.driver.extraClassPath
/home/hduser/jars/ojdbc6.jar:/home/hduser/jars/jconn4.jar:/home/hduser/jars/hbase-client-1.2.3.jar:/home/hduser/jars/hbase-server-1.2.3.jar:/home/hduser/jars/hbase-common-1.2.3.jar:/home/hduser/jars/hbase-protocol-1.2.3.jar:/home/hduser/jars/htrace-core-3.0.4.jar:/home/hduser/jars/hive-hbase-handler-2.1.0.jar
spark.executor.extraClassPath
/home/hduser/jars/ojdbc6.jar:/home/hduser/jars/jconn4.jar:/home/hduser/jars/hbase-client-1.2.3.jar:/home/hduser/jars/hbase-server-1.2.3.jar:/home/hduser/jars/hbase-common-1.2.3.jar:/home/hduser/jars/hbase-protocol-1.2.3.jar:/home/hduser/jars/htrace-core-3.0.4.jar:/home/hduser/jars/hive-hbase-handler-2.1.0.jar


and also in Spark shell where I test the code

 --jars
/home/hduser/jars/hbase-client-1.2.3.jar,/home/hduser/jars/hbase-server-1.2.3.jar,/home/hduser/jars/hbase-common-1.2.3.jar,/home/hduser/jars/hbase-protocol-1.2.3.jar,/home/hduser/jars/htrace-core-3.0.4.jar,/home/hduser/jars/hive-hbase-handler-2.1.0.jar'

So any ideas will be appreciated.

Thanks

Dr Mich Talebzadeh



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