## Emitting a problem

Problems can be emitted via an injected `Problems` service.
Here's an example on how to report a problem from a plugin.

====
include::sample[dir="groovy",files="reporters/standard-plugin/src/main/java/reporters/StandardPlugin.java[tags=problems-api-report]"]
====


## Receiving a problem report

    # Code below omitted 👇
    ```

    <details>
    <summary>👀 Full file preview</summary>

    ```Python
    {!> ../../../docs_src/separate_openapi_schemas/tutorial001_py310.py!}
    ```

    </details>

=== "Python 3.9+"

    ```Python hl_lines="16"
    {!> ../../../docs_src/separate_openapi_schemas/tutorial001_py39.py[ln:1-17]!}

    # Code below omitted 👇
    ```

    <details>

    def "emitsBuildOperationsForJUnitTests"() {
        given:
        executer.withRepositoryMirrors()

        when:
        run "test"

        then: "test build operations are emitted in expected hierarchy"
        def rootTestOp = operations.first(ExecuteTestBuildOperationType)
        rootTestOp.details.testDescriptor.name.startsWith("Gradle Test Run :test")

    }

    public void omitForNearer(Artifact omitted, Artifact kept) {
        String omittedVersion = omitted.getVersion();
        String keptVersion = kept.getVersion();

        if (!Objects.equals(omittedVersion, keptVersion)) {
            logger.debug(indent + omitted + " (removed - nearer found: " + keptVersion + ")");
        }
    }

    public void omitForCycle(Artifact omitted) {

go list -m -u -f '{{.Deprecated}}' multiline
stdout '^first line\nsecond line.$'

# When there is a long message, 'go get' should print a placeholder.
go get long
stderr '^go: module long is deprecated: \(message omitted: too long\)$'
go list -m -u -f '{{.Deprecated}}' long

    public void endProcessChildren(Artifact artifact) {}

    public void includeArtifact(Artifact artifact) {}

    public void omitForNearer(Artifact omitted, Artifact kept) {}

    public void omitForCycle(Artifact omitted) {}

    public void updateScopeCurrentPom(Artifact artifact, String scope) {}

    public void updateScope(Artifact artifact, String scope) {}

executable: gradle
args: build
# Do not fail for deprecation warnings: Project.getConvention emitted by the shadow plugin

               },
              "authorize call",
              5000)
            end
  # The second patch adds the cluster that is referenced by the lua code
  # cds match is omitted as a new cluster is being added
  - applyTo: CLUSTER
    match:
      context: SIDECAR_OUTBOUND
    patch:
      operation: ADD
      value: # cluster specification
        name: "lua_cluster"

//     type Type struct {
//         Tag        byte // 'T' or 'U'
//         Pos        Pos
//         TypeParams []typeOff  // only present if Tag == 'U'
//         Underlying typeOff
//
//         Methods []struct{  // omitted if Underlying is an interface type
//             Pos       Pos
//             Name      stringOff
//             Recv      Param
//             Signature Signature
//         }
//     }
//

executable: gradle
args: tasks
# Do not fail for deprecation warnings: Project.getConvention emitted by the shadow plugin