Open source

Remove dead `throws` declarations for unchecked Jackson exceptions

Recipe IDorg.openrewrite.java.jackson.RemoveDeadJacksonThrowsArtifactorg.openrewrite.recipe:rewrite-jackson

In Jackson 3 the exception hierarchy is rerooted under JacksonException, which extends RuntimeException. Any surviving throws for a Jackson exception type is dead: callers are not required to handle it, and the declaration misleads readers into thinking checked-exception handling is needed. Removes throws for JacksonException and its subtypes (e.g. DatabindException) from both methods and constructors. Assumes the Jackson 2 to 3 package changes have already run, so all Jackson exception types live under tools.jackson. Does not touch throws IOException (still a checked exception) or non-Jackson exception types.

Composite recipejackson-3Apache 2.0

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.jackson.RemoveDeadJacksonThrows

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite.recipe:rewrite-jackson:RELEASE

Definition

This recipe runs the following recipes in order.

Remove elements from a method declaration throws clauseorg.openrewrite.java.RemoveMethodThrows
Remove elements from a method declaration throws clauseorg.openrewrite.java.RemoveMethodThrows

Data tables

Structured output this recipe can produce.

Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats