Hi Flavio, I haven't seen this problem before. Are you using Flink's HBase connector? According to similar problems with Spark one needs to make sure that the hbase jars are on the classpath [1, 2]. If not, then it might be a problem with the MR1 version 2.6.0-mr1-cdh5.11.2 which caused problems for CDH 5.2 [2]. It could also be worthwhile to try it out with the latest CDH version.
[1] https://stackoverflow.com/questions/34901331/spark-hbase-error-java-lang-illegalstateexception-unread-block-data [2] https://mapr.com/community/s/question/0D50L00006BIthGSAT/javalangillegalstateexception-unread-block-data-when-running-spark-with-yarn [3] https://issues.apache.org/jira/browse/SPARK-1867?focusedCommentId=14322647&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-14322647 Cheers, Till On Wed, Nov 7, 2018 at 12:05 PM Flavio Pompermaier <pomperma...@okkam.it> wrote: > I forgot to mention that I'm using Flink 1.6.2 compiled for cloudera CDH > 5.11.2: > > /opt/shared/devel/apache-maven-3.3.9/bin/mvn clean install > -Dhadoop.version=2.6.0-cdh5.11.2 -Dhbase.version=1.2.0-cdh5.11.2 > -Dhadoop.core.version=2.6.0-mr1-cdh5.11.2 -DskipTests -Pvendor-repos > > On Wed, Nov 7, 2018 at 11:48 AM Flavio Pompermaier <pomperma...@okkam.it> > wrote: > >> Hi to all, >> we tried to upgrade our jobs to Flink 1.6.2 but now we get the following >> error (we saw a similar issue with spark that was caused by different java >> version on the cluster servers so we checked them and they are all to the >> same version - oracle-8-191): >> >> Caused by: org.apache.flink.runtime.client.JobExecutionException: Cannot >> initialize task 'DataSink (Parquet write: >> hdfs:/rivela/1/1/0_staging/parquet)': Deserializing the OutputFormat >> (org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat@54a4c7c8) >> failed: unread block data >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:220) >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:100) >> at >> org.apache.flink.runtime.jobmaster.JobMaster.createExecutionGraph(JobMaster.java:1151) >> at >> org.apache.flink.runtime.jobmaster.JobMaster.createAndRestoreExecutionGraph(JobMaster.java:1131) >> at >> org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:294) >> at >> org.apache.flink.runtime.jobmaster.JobManagerRunner.<init>(JobManagerRunner.java:157) >> ... 10 more >> Caused by: java.lang.Exception: Deserializing the OutputFormat >> (org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat@54a4c7c8) >> failed: unread block data >> at >> org.apache.flink.runtime.jobgraph.OutputFormatVertex.initializeOnMaster(OutputFormatVertex.java:63) >> at >> org.apache.flink.runtime.executiongraph.ExecutionGraphBuilder.buildGraph(ExecutionGraphBuilder.java:216) >> ... 15 more >> Caused by: java.lang.IllegalStateException: unread block data >> at >> java.io.ObjectInputStream$BlockDataInputStream.setBlockDataMode(ObjectInputStream.java:2783) >> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1605) >> at >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287) >> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211) >> at >> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069) >> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573) >> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431) >> at >> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:502) >> at >> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:489) >> at >> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:477) >> at >> org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:438) >> at >> org.apache.flink.runtime.operators.util.TaskConfig.getStubWrapper(TaskConfig.java:288) >> at >> org.apache.flink.runtime.jobgraph.OutputFormatVertex.initializeOnMaster(OutputFormatVertex.java:60) >> ... 16 more >> >> >> Has anyone faced this problem before? How can we try to solve it? >> Best,Flavio >> > >
