Return null or something nullable from a lambda in transformation method
Reports transform operations that may return null inside a Reactive Stream chain.
Reactive Streams don't support nullable values, which causes such code to fail. The quick-fix suggests replacing map() with mapNotNull, which omits exceptions.
Example:
After the quick-fix is applied:
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
ReactiveStreamsNullableInLambdaInTransform- Via Settings dialog
Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.
New in 2019.3
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
Inspection Details | |
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By default bundled with: |