Mich,
I know up until CDH 5.4 we had to add the HTrace jar to the classpath to make
it work using the command below. But after upgrading to CDH 5.7, it became
unnecessary.
echo "/opt/cloudera/parcels/CDH/jars/htrace-core-3.2.0-incubating.jar" >>
/etc/spark/conf/classpath.txt
Hope this helps.
Cheers,
Ben
> On Oct 1, 2016, at 3:22 PM, Mich Talebzadeh <mich.talebza...@gmail.com> wrote:
>
> 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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