[HUDI-1091] Handle empty input batch gracefully in ParquetDFSSource

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.6.0
• Component/s: deltastreamer
• Assignee: Balaji Varadarajan
• Reporter: Balaji Varadarajan
• Created: 14/Jul/20 15:06
• Updated: 12/Aug/20 01:30
• Resolved: 12/Aug/20 01:28

Description

https://github.com/apache/hudi/issues/1813

 Looking at 0.5.3, it is possible the below exception can happen when running in standalone mode and the next batch to write is empty.

ERROR HoodieDeltaStreamer: Got error running delta sync once. Shutting down org.apache.hudi.exception.HoodieException: Please provide a valid schema provider class! at org.apache.hudi.utilities.sources.InputBatch.getSchemaProvider(InputBatch.java:53) at org.apache.hudi.utilities.deltastreamer.DeltaSync.readFromSource(DeltaSync.java:312) at org.apache.hudi.utilities.deltastreamer.DeltaSync.syncOnce(DeltaSync.java:226) at org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.sync(HoodieDeltaStreamer.java:121) at org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.main(HoodieDeltaStreamer.java:294) 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$$runMain(SparkSubmit.scala:853) at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:161) at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:184) at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86) at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:928) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:937) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)