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https://issues.apache.org/jira/browse/BEAM-10402?focusedWorklogId=534519&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-534519
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ASF GitHub Bot logged work on BEAM-10402:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jan/21 20:28
Start Date: 11/Jan/21 20:28
Worklog Time Spent: 10m
Work Description: je-ik commented on a change in pull request #13719:
URL: https://github.com/apache/beam/pull/13719#discussion_r555317940
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/windowing/Trigger.java
##########
@@ -87,7 +88,7 @@ protected Trigger() {
}
public List<Trigger> subTriggers() {
- return subTriggers;
+ return MoreObjects.firstNonNull(subTriggers, Collections.emptyList());
Review comment:
I agree that it is questionable why the field should ever be null. On
the other hand, the code seems to distinguish cases when the field is null and
when the list is empty. This might be fixed later with other nullness related
fixes.
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Issue Time Tracking
-------------------
Worklog Id: (was: 534519)
Time Spent: 14.5h (was: 14h 20m)
> [Umbrella] Eliminate nullability errors from Beam Java
> ------------------------------------------------------
>
> Key: BEAM-10402
> URL: https://issues.apache.org/jira/browse/BEAM-10402
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Kenneth Knowles
> Priority: P1
> Labels: Clarified, starter
> Time Spent: 14.5h
> Remaining Estimate: 0h
>
> I enabled the checker framework and the core SDK exceeds 100 nullability
> errors immediately. We should make this number zero, since nullability errors
> are solved problem in computer science and they do periodically impact Beam.
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