[
https://issues.apache.org/jira/browse/BEAM-7450?focusedWorklogId=252068&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-252068
]
ASF GitHub Bot logged work on BEAM-7450:
----------------------------------------
Author: ASF GitHub Bot
Created on: 31/May/19 21:29
Start Date: 31/May/19 21:29
Worklog Time Spent: 10m
Work Description: apilloud commented on issue #8718: [BEAM-7450] - Add an
unbounded HcatalogIO reader using splittable pardo
URL: https://github.com/apache/beam/pull/8718#issuecomment-497866247
Test failure looks real.
```
java.lang.IllegalArgumentException:
org.apache.beam.sdk.io.hcatalog.PartitionPoller, @ProcessElement
processElement(ProcessContext, PartitionRangeTracker): Has tracker type
PartitionRangeTracker, but the DoFn's tracker type must be of type
RestrictionTracker.
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures$ErrorReporter.throwIllegalArgument(DoFnSignatures.java:1495)
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures$ErrorReporter.checkArgument(DoFnSignatures.java:1500)
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures.verifySplittableMethods(DoFnSignatures.java:595)
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures.parseSignature(DoFnSignatures.java:474)
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures.lambda$getSignature$0(DoFnSignatures.java:140)
at java.util.HashMap.computeIfAbsent(HashMap.java:1127)
at
org.apache.beam.sdk.transforms.reflect.DoFnSignatures.getSignature(DoFnSignatures.java:140)
at org.apache.beam.sdk.transforms.ParDo.validate(ParDo.java:547)
at org.apache.beam.sdk.transforms.ParDo.of(ParDo.java:397)
at
org.apache.beam.sdk.io.hcatalog.HCatalogUnboundedReader.expand(HCatalogUnboundedReader.java:110)
at
org.apache.beam.sdk.io.hcatalog.HCatalogUnboundedReader.expand(HCatalogUnboundedReader.java:77)
at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:537)
at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:471)
at org.apache.beam.sdk.values.PCollection.apply(PCollection.java:357)
at
org.apache.beam.sdk.io.hcatalog.HCatalogIOTest.testWriteThenUnboundedReadSuccess(HCatalogIOTest.java:220)
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 252068)
Time Spent: 0.5h (was: 20m)
> Unbounded HCatalogIO Reader using splittable pardos
> ---------------------------------------------------
>
> Key: BEAM-7450
> URL: https://issues.apache.org/jira/browse/BEAM-7450
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Ankit Jhalaria
> Assignee: Ankit Jhalaria
> Priority: Minor
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> # Current version of HcatalogIO is a bounded source.
> # While migrating our jobs to aws, we realized that it would be helpful to
> have an unbounded hcat reader that can behave as an unbounded source and
> polls for new partitions as and when they become available.
> # I have used splittable pardo(s) to do this. There is a flag that can be
> set to treat this as a bounded source which will terminate if that flag is
> set.
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