Thanks Ben The thing is I am using Spark 2 and no stack from CDH!
Is this approach to reading/writing to Hbase specific to Cloudera? Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* http://talebzadehmich.wordpress.com *Disclaimer:* Use it at your own risk. Any and all responsibility for any loss, damage or destruction of data or any other property which may arise from relying on this email's technical content is explicitly disclaimed. The author will in no case be liable for any monetary damages arising from such loss, damage or destruction. On 1 October 2016 at 23:39, Benjamin Kim <bbuil...@gmail.com> wrote: > 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 > > > LinkedIn * > https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw > <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* > > > http://talebzadehmich.wordpress.com > > *Disclaimer:* Use it at your own risk. Any and all responsibility for any > loss, damage or destruction of data or any other property which may arise > from relying on this email's technical content is explicitly disclaimed. > The author will in no case be liable for any monetary damages arising from > such loss, damage or destruction. > > > > >
