IPV6 support in Apache Hadoop

Hello Team, Does Apache Hadoop is currently supported on IPV6 network, if yes in which version it have support? We found below links which states that It have support on IPV4 only. https://cwiki.apache.org/confluence/display/HADOOP2/HadoopIPv6#:~:text=Apache%20Hadoop%20is%20not%20currently,only%

Aggregate Word Count from the Mapreduce examples

Hi, I had some questions about what the Aggregate Word Count example in the hadoop-mapreduce-examples-3.3.1.jar actually does. This is how I executed the AggregateWordCount example - hadoop jar hadoop-3.3.1/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.3.1.jar aggregatewordcount /examples-in

Re: Running hadoop mapreduce examples with input format specifier

With the invocation - hadoop jar hadoop-3.3.1/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.3.1.jar join -inFormat org.apache.hadoop.mapreduce.lib.input.TextInputFormat /examples-input/ /examples-output/, I get the error - java.lang.Exception: java.io.IOException: wrong key class: org.apache.h

Re: Running hadoop mapreduce examples with input format specifier

Hi Pratyush, Can you try the class along with the package: org.apache.hadoop.mapreduce.lib.input.TextInputFormat It should work. All subclasses of InputFormat.java should work. -Ayush > > On 02-May-2022, at 4:53 AM, Pratyush Das wrote: > >  > Hi, > > I tried executing the Join.java example

Running hadoop mapreduce examples with input format specifier

Hi, I tried executing the Join.java example in the Hadoop Mapreduce Examples jar using the following invocation - hadoop jar hadoop-3.3.1/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.3.1.jar join -inFormat TextInputFormat /examples-input/ /examples-output/ I keep getting an error - java.lan