CODEWITHSUNDEEP
hadoopmapreduce
RAVITEJA SATYAVADA
RAVITEJA SATYAVADA

Reputation: 2571

java.lang.RuntimeException: Not a host:port pair:

I wrote a Map-reduce program. While trying to run it , it is showing a run-time exception as follows 

java.lang.RuntimeException: Not a host:port pair: 
at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:136)
at org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:123)
at org.apache.hadoop.mapred.JobTracker.getAddress(JobTracker.java:1807)
at org.apache.hadoop.mapred.JobClient.init(JobClient.java:423)
at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:410)
at org.apache.hadoop.mapreduce.Job.<init>(Job.java:50)
at org.apache.hadoop.mapreduce.Job.<init>(Job.java:54)
at com.homedepot.mm.rd.transactionmatching.hadoop.utils.TMHelper.driverConfig(TMHelper.java:83)
at com.homedepot.mm.rd.transactionmatching.hadoop.driver.TMDuplicateRemoverDriver.run(TMDuplicateRemoverDriver.java:73)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at com.homedepot.mm.rd.transactionmatching.hadoop.driver.TMDuplicateRemoverDriver.main(TMDuplicateRemoverDriver.java:111)

I couln't find the reason for this.Can any one help me out!

Upvotes: 0

Views: 520

Answers (1)

Gargi
Gargi

Reputation: 113

Please check if you have same versions of Hadoop on CLient and Server.

Also that your cluster machines are well specified in masters and slaves files in hadoop conf directory.

Upvotes: 1

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