Make gradle dependency configuration errors into its own data table.

src/main/java/org/openrewrite/java/dependencies/DependencyResolutionDiagnostic.java

@@ -23,8 +23,8 @@
 import org.openrewrite.groovy.GroovyIsoVisitor;
 import org.openrewrite.groovy.tree.G;
 import org.openrewrite.internal.lang.Nullable;
+import org.openrewrite.java.dependencies.table.GradleDependencyConfigurationErrors;
 import org.openrewrite.java.dependencies.table.RepositoryAccessibilityReport;
-import org.openrewrite.marker.SearchResult;
 import org.openrewrite.maven.internal.MavenPomDownloader;
 import org.openrewrite.maven.tree.MavenRepository;
 import org.openrewrite.maven.tree.MavenResolutionResult;
@@ -40,6 +40,7 @@
 public class DependencyResolutionDiagnostic extends ScanningRecipe<DependencyResolutionDiagnostic.Accumulator> {
 
     transient RepositoryAccessibilityReport report = new RepositoryAccessibilityReport(this);
+    transient GradleDependencyConfigurationErrors gradleErrors = new GradleDependencyConfigurationErrors(this);
 
     @Override
     public String getDisplayName() {
@@ -48,9 +49,15 @@ public String getDisplayName() {
 
     @Override
     public String getDescription() {
-        return "Recipes which manipulate dependencies must be able to successfully access the repositories used by the " +
-               "project and retrieve dependency metadata from them. This recipe lists the repositories that were found " +
-               "and whether or not dependency metadata could successfully be resolved from them.";
+        return "Recipes which manipulate dependencies must be able to successfully access the artifact repositories " +
+               "and resolve dependencies from them. This recipe produces two data tables used to understand the state " +
+               "of dependency resolution.\n\n" +
+               "The Repository accessibility report lists all the artifact repositories known to the project and whether" +
+               "they respond to network access. The network access is attempted while the recipe is run and so is " +
+               "representative of current conditions.\n\n" +
+               "The Gradle dependency configuration errors lists all the dependency configurations that failed to " +
+               "resolve one or more dependencies when the project was parsed. This is representative of conditions at " +
+               "the time the LST was parsed.";
     }
 
     public static class Accumulator {
@@ -168,11 +175,7 @@ public G.CompilationUnit visitCompilationUnit(G.CompilationUnit cu, ExecutionCon
                     if (conf.getExceptionType() == null) {
                         continue;
                     }
-                    g = SearchResult.found(g, "Found Gradle dependency configuration which failed to resolve during parsing: " +
-                                              conf.getName() + ": " + conf.getExceptionType() + " - " + conf.getMessage());
-                    // If one configuration failed to resolve, others likely failed and probably for the same reasons
-                    // Record only first failure to reduce noise
-                    break;
+                    gradleErrors.insertRow(ctx, new GradleDependencyConfigurationErrors.Row(gp.getPath(), conf.getName(), conf.getExceptionType(), conf.getMessage()));
                 }
 
                 return g;

src/main/java/org/openrewrite/java/dependencies/table/GradleDependencyConfigurationErrors.java

@@ -0,0 +1,35 @@
+package org.openrewrite.java.dependencies.table;
+
+import lombok.Value;
+import org.openrewrite.Column;
+import org.openrewrite.DataTable;
+import org.openrewrite.Recipe;
+
+public class GradleDependencyConfigurationErrors extends DataTable<GradleDependencyConfigurationErrors.Row> {
+
+
+    public GradleDependencyConfigurationErrors(Recipe recipe) {
+        super(recipe, "Gradle dependency configuration errors",
+                "Records Gradle dependency configurations which failed to resolve during parsing. " +
+                "Partial success/failure is common, a failure in this list does not mean that every dependency failed to resolve.");
+    }
+
+    @Value
+    public static class Row {
+        @Column(displayName = "Project path",
+                description = "The path of the project which contains the dependency configuration.")
+        String projectPath;
+
+        @Column(displayName = "Configuration name",
+                description = "The name of the dependency configuration which failed to resolve.")
+        String configurationName;
+
+        @Column(displayName = "Exception type",
+                description = "The type of exception encountered when attempting to resolve the dependency configuration.")
+        String exceptionType;
+
+        @Column(displayName = "Error message",
+                description = "The error message encountered when attempting to resolve the dependency configuration.")
+        String exceptionMessage;
+    }
+}

src/test/java/org/openrewrite/java/dependencies/DependencyResolutionDiagnosticTest.java

@@ -37,6 +37,8 @@ public void defaults(RecipeSpec spec) {
     void gradle() {
         rewriteRun(
           spec -> spec.beforeRecipe(withToolingApi())
+            // It is a limitation of the tooling API which prevents configuration-granularity error information from being collected.
+            // So the GradleDependencyConfigurationErrors table will never be populated in unit tests.
             .dataTable(RepositoryAccessibilityReport.Row.class, rows -> {
                 assertThat(rows).hasSize(4);
                 assertThat(rows).contains(
@@ -63,26 +65,7 @@ void gradle() {
             dependencies {
                 implementation("org.openrewrite.nonexistent:nonexistent:0.0.0")
             }
-            """
-            // It is a limitation of the tooling API which prevents configuration-granularity error information from being collected.
-            // When run with real Gradle this recipe _should_ produce the following result, included here for documentation.
-//            ,"""
-//            ~~(Found Gradle dependency configuration which failed to resolve during parsing)~~>plugins {
-//                id("java")
-//            }
-//            repositories {
-//                mavenLocal()
-//                mavenCentral()
-//                maven {
-//                    url "https://nonexistent.moderne.io/maven2"
-//                }
-//            }
-//
-//            dependencies {
-//                implementation("org.openrewrite.nonexistent:nonexistent:0.0.0")
-//            }
-//            """
-          )
+            """)
         );
     }