title: Importing data from S3 to DynamoDB
body: <p>I am trying to import a JSON file which has been uploaded into S3 into DynamoDB </p>
  
  <p>I followed the tutorial amazon has given </p>
  
  <p><a href="http://docs.aws.amazon.com/datapipeline/latest/DeveloperGuide/dp-importexport-ddb-console-start.html" rel="nofollow">http://docs.aws.amazon.com/datapipeline/latest/DeveloperGuide/dp-importexport-ddb-console-start.html</a></p>
  
  <p>But when i try to activate the pipeline the component TableLoadActivity fails and DDBDestinationTable says  CASCADE_FAILED</p>
  
  <p>Both give the error </p>
  
  <p>at org.apache.hadoop.mapreduce.JobSubmitter.writeOldSplits(JobSubmitter.java:520) at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:512) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:394) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1285) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1282) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) at org.apache.hadoop.mapreduce.Job.submit(Job.java:1282) at org.apache.hadoop.mapred.JobClient$1.run(JobClient.java:562) at org.apache.hadoop.mapred.JobClient$1.run(JobClient.java:557) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) at org.apache.hadoop.mapred.JobClient.submitJobInternal(</p>
  
  <p>Any help would be appreciated</p>