Hortonworks sandbox

How to start services on Hortonworks sandbox

https://github.com/hortonworks/data-tutorials/blob/master/tutorials/hdp/sandbox-port-forwarding-guide/assets/start-sandbox-hdp.sh

/etc/init.d/startup_script start

Troubleshooting

Error message: ERROR: external table gphdfs protocol command ended with error. Error: A JNI error has occurred, please check your installation and try again (seg0 slice1 172.20.0.2:40000 pid=1758) DETAIL:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/mapreduce/TaskAttemptContext at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.privateGetMethodRecursive(Class.java:3048) at java.lang.Class.getMethod0(Class.java:3018) at java.lang.Class.getMethod(Class.java:1784) at sun.launcher.LauncherHelper.validateMain Command: execute:source $GPHOME/lib//hadoop/hadoop_env.sh;java $GP_JAVA_OPT -classpath $CLASSPATH com.emc.greenplum.gpdb.hdfsconnector.HDFSReader $GP_SEGMENT_ID $GP_SEGMENT_COUNT TEXT hdp-gnet-1.2.0.0 'gphdfs://sandbox.hortonworks.com:8020/data/pxf_examples/pxf_hdfs_simple.txt' '000000002500044000000002500044000000002300044000000070100044' 'location,month,num_orders,total_sales,' External table pxf_hdfs_textsimple, file gphdfs://sandbox.hortonworks.com:8020/data/pxf_examples/pxf_hdfs_simple.txt