java.io.IOException

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There's probably a problem with your dependencies, check if you used "hadoop-yarn-common". Also check if you have the right version of hadoop for the version of mapreduce that you're using.

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  • HBase User - Remote java client hang
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  • spark multi-node cluster
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  • spark multi-node cluster
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    • java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set. at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:307) at org.apache.hadoop.util.Shell.<clinit>(Shell.java:332) at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:79) at org.apache.hadoop.yarn.conf.YarnConfiguration.<clinit>(YarnConfiguration.java:590) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil.newConfiguration(YarnSparkHadoopUtil.scala:62) at org.apache.spark.deploy.SparkHadoopUtil.<init>(SparkHadoopUtil.scala:52) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil.<init>(YarnSparkHadoopUtil.scala:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at java.lang.Class.newInstance(Class.java:374)

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