Hi Manas, There is a small patch needed for HDP2.2. You can refer to this PR https://github.com/apache/spark/pull/3409
There are some other issues compiling against hadoop2.6. But we will fully support it very soon. You can ping me, if you want. Thanks. Zhan Zhang On Dec 12, 2014, at 11:38 AM, Manas Kar <manasdebashis...@gmail.com> wrote: > Hi Experts, > I have recently installed HDP2.2(Depends on hadoop 2.6). > My spark 1.2 is built with hadoop 2.4 profile. > > My program has following dependencies > val avro = "org.apache.avro" % "avro-mapred" %"1.7.7" > val spark = "org.apache.spark" % "spark-core_2.10" % "1.2.0" % > "provided" > > My program to read avro files fails with the following error. What am I doing > wrong? > > > java.lang.IncompatibleClassChangeError: Found interface > org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected > at > org.apache.avro.mapreduce.AvroKeyInputFormat.createRecordReader(AvroKeyInputFormat.java:47) > at > org.apache.spark.rdd.NewHadoopRDD$$anon$1.<init>(NewHadoopRDD.scala:133) > at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:107) > at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:69) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) > at org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:61) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:228) > at org.apache.spark.rdd.FlatMappedRDD.compute(FlatMappedRDD.scala:33) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) > at org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) > at org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) > at > org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:263) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:230) > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61) > at org.apache.spark.scheduler.Task.run(Task.scala:56) > at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
