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https://issues.apache.org/jira/browse/HUDI-3621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
sivabalan narayanan closed HUDI-3621.
-------------------------------------
Resolution: Fixed
> DeltaStreamer throws NPE when there is no new data to consume and clustering
> is enabled
> ---------------------------------------------------------------------------------------
>
> Key: HUDI-3621
> URL: https://issues.apache.org/jira/browse/HUDI-3621
> Project: Apache Hudi
> Issue Type: Task
> Components: deltastreamer
> Reporter: sivabalan narayanan
> Assignee: sivabalan narayanan
> Priority: Critical
> Labels: hudi-on-call, pull-request-available
> Fix For: 0.11.0
>
>
> In continuous mode when async clustering is enabled, and if there is no new
> data to consume for the first time, deltastreamer throws NPE.
>
> {code:java}
> 22/03/14 14:10:02 INFO DebeziumSource: About to read 0 from Kafka for topic
> :glueserver.public.onehuse_id_as_primary_key_siva
> 22/03/14 14:10:02 INFO DeltaSync: No new data, source checkpoint has not
> changed. Nothing to commit. Old
> checkpoint=(Option{val=glueserver.public.onehuse_id_as_primary_key_siva,0:10000}).
> New Checkpoint=(glueserver.public.onehuse_id_as_primary_key_siva,0:10000)
> 22/03/14 14:10:02 ERROR HoodieDeltaStreamer: Shutting down delta-sync due to
> exception
> java.lang.NullPointerException
> at
> org.apache.hudi.utilities.deltastreamer.DeltaSync.getClusteringInstantOpt(DeltaSync.java:913)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer$DeltaSyncService.lambda$startService$0(HoodieDeltaStreamer.java:668)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:750)
> 22/03/14 14:10:02 INFO HoodieDeltaStreamer: Delta Sync shutdown. Error ?true
> 22/03/14 14:10:02 INFO HoodieDeltaStreamer: DeltaSync shutdown. Closing write
> client. Error?true
> 22/03/14 14:10:02 ERROR HoodieAsyncService: Service shutdown with error
> java.util.concurrent.ExecutionException:
> org.apache.hudi.exception.HoodieException
> at
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
> at
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908)
> at
> org.apache.hudi.async.HoodieAsyncService.waitForShutdown(HoodieAsyncService.java:103)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.lambda$sync$1(HoodieDeltaStreamer.java:182)
> at org.apache.hudi.common.util.Option.ifPresent(Option.java:96)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.sync(HoodieDeltaStreamer.java:179)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.main(HoodieDeltaStreamer.java:530)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
> at
> org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:955)
> at
> org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:180)
> at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:203)
> at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:90)
> at
> org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1043)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1052)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> Caused by: org.apache.hudi.exception.HoodieException
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer$DeltaSyncService.lambda$startService$0(HoodieDeltaStreamer.java:690)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:750)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hudi.utilities.deltastreamer.DeltaSync.getClusteringInstantOpt(DeltaSync.java:913)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer$DeltaSyncService.lambda$startService$0(HoodieDeltaStreamer.java:668)
> ... 4 more
> 22/03/14 14:10:02 INFO DeltaSync: Shutting down embedded timeline server
> {code}
>
>
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