apache/beam

Eliminate nullability errors from :sdks:java:core

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#20,507 opened on Jun 4, 2022

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Description

Just choose any file that starts with @SuppressWarnings("nullness") and eliminate the annotation and fix the errors!

As of 2020-07-20 setting -Xmaxerrs 10000 there are 1451 errors in the core Java SDK.

Imported from Jira BEAM-10496. Original Jira may contain additional context. Reported by: kenn. Subtask of issue #20497

Contributor guide

Research direction
Select a file in sdks/java/core containing '@SuppressWarnings("nullness")', remove the annotation, and fix the resulting nullness errors by adding proper null checks or annotations.
Tech stack
java
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJava
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75