My Kylin metadata is corrupt, so I removed all metadata and reinstalled Kylin on the same server.
I tried running:
$KYLIN_HOME/bin/sample.sh
And it is not giving any error.
So i tried to create a simple cube with 1 fact and 2 dimension tables.
But my cube build failed at its first step, with this error:
java.lang.NullPointerException
at org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:100)
at org.apache.kylin.source.hive.CreateFlatHiveTableStep.doWork(CreateFlatHiveTableStep.java:105)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)
at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)
at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:136)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
I have the same problem,and fixed。 The reason is that zookeeper already have directory kylin。When I remove then kylin on zookeeper,cube build successfully 1. use zkCli.sh to connect to zookeeper 2. rmr /kylin 3. restart kylin。