Hi. I've tested the map reduce code on homepage. It coudln’t find the jdbc driver as below. I've insert this code "Class.forName("org.apache.phoenix.jdbc.PhoenixDriver”);" in mred main method but there is no effect. What shall I do? Regards.
Error: java.lang.RuntimeException: java.sql.SQLException: No suitable driver found for jdbc:phoenix:internal.hadoop-master.denma.ggportal.net:2181:/hbase; at org.apache.phoenix.mapreduce.PhoenixInputFormat.getQueryPlan(PhoenixInputFormat.java:134) at org.apache.phoenix.mapreduce.PhoenixInputFormat.createRecordReader(PhoenixInputFormat.java:71) at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.<init>(MapTask.java:524) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:767) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by: java.sql.SQLException: No suitable driver found for jdbc:phoenix:internal.hadoop-master.denma.ggportal.net:2181:/hbase; at java.sql.DriverManager.getConnection(DriverManager.java:689) at java.sql.DriverManager.getConnection(DriverManager.java:208) at org.apache.phoenix.mapreduce.util.ConnectionUtil.getConnection(ConnectionUtil.java:98) at org.apache.phoenix.mapreduce.util.ConnectionUtil.getInputConnection(ConnectionUtil.java:57) at org.apache.phoenix.mapreduce.PhoenixInputFormat.getQueryPlan(PhoenixInputFormat.java:116) ... 9 more