OpenAPITools / OpenAPITools/openapi-generator

[BUG][JAVA] @Nullable not imported in template causing compilation error

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#22,886 3 comments 0 reactions 0 assignees View on GitHub

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Issue: Bug
Dominant language
Java
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Description

Description

This method was generated, but the @Nullable import is missing

  /**
   * Convert the given object to string with each line indented by 4 spaces (except the first line).
   */
  private String toIndentedString(@Nullable Object o) {
    if (o == null) {
      return "null";
    }
    return o.toString().replace("\n", "\n    ");
  }
openapi-generator version

7.19.0

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the Java template that generates the shown toIndentedString method and inspect its import section. Reproduce generation with OpenAPI Generator 7.19.0, then verify that the generated Java source includes the needed @Nullable import and compiles successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
tooling
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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