diff --git a/src/main/java/org/kohsuke/github/GHCodeownersError.java b/src/main/java/org/kohsuke/github/GHCodeownersError.java
new file mode 100644
index 0000000000..8d5662700c
--- /dev/null
+++ b/src/main/java/org/kohsuke/github/GHCodeownersError.java
@@ -0,0 +1,77 @@
+package org.kohsuke.github;
+
+/**
+ * Represents an error in a {@code CODEOWNERS} file. See <a href=
+ * "https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners">the
+ * relevant documentation</a>.
+ *
+ * @author Michael Grant
+ */
+public class GHCodeownersError {
+    private int line, column;
+
+    private String kind, source, suggestion, message, path;
+
+    /**
+     * Gets line.
+     *
+     * @return the line
+     */
+    public int getLine() {
+        return line;
+    }
+
+    /**
+     * Gets column.
+     *
+     * @return the column
+     */
+    public int getColumn() {
+        return column;
+    }
+
+    /**
+     * Gets kind.
+     *
+     * @return the kind
+     */
+    public String getKind() {
+        return kind;
+    }
+
+    /**
+     * Gets source.
+     *
+     * @return the source
+     */
+    public String getSource() {
+        return source;
+    }
+
+    /**
+     * Gets suggestion.
+     *
+     * @return the suggestion
+     */
+    public String getSuggestion() {
+        return suggestion;
+    }
+
+    /**
+     * Gets message.
+     *
+     * @return the message
+     */
+    public String getMessage() {
+        return message;
+    }
+
+    /**
+     * Gets path.
+     *
+     * @return the path
+     */
+    public String getPath() {
+        return path;
+    }
+}
diff --git a/src/main/java/org/kohsuke/github/GHRepository.java b/src/main/java/org/kohsuke/github/GHRepository.java
index da6658fee2..5220a1b80b 100644
--- a/src/main/java/org/kohsuke/github/GHRepository.java
+++ b/src/main/java/org/kohsuke/github/GHRepository.java
@@ -2956,6 +2956,25 @@ public GHSubscription getSubscription() throws IOException {
         }
     }
 
+    // Only used within listCodeownersErrors().
+    private static class GHCodeownersErrors {
+        public List<GHCodeownersError> errors;
+    }
+
+    /**
+     * List errors in the {@code CODEOWNERS} file. Note that GitHub skips lines with incorrect syntax; these are
+     * reported in the web interface, but not in the API call which this library uses.
+     *
+     * @return the list of errors
+     * @throws IOException
+     *             the io exception
+     */
+    public List<GHCodeownersError> listCodeownersErrors() throws IOException {
+        return root().createRequest()
+                .withUrlPath(getApiTailUrl("codeowners/errors"))
+                .fetch(GHCodeownersErrors.class).errors;
+    }
+
     /**
      * List contributors paged iterable.
      *
diff --git a/src/test/java/org/kohsuke/github/GHCodeownersErrorTest.java b/src/test/java/org/kohsuke/github/GHCodeownersErrorTest.java
new file mode 100644
index 0000000000..b4294be64e
--- /dev/null
+++ b/src/test/java/org/kohsuke/github/GHCodeownersErrorTest.java
@@ -0,0 +1,55 @@
+package org.kohsuke.github;
+
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.List;
+
+import static org.hamcrest.Matchers.*;
+
+/**
+ * Test class for listing errors in CODEOWNERS files.
+ *
+ * @author Michael Grant
+ */
+public class GHCodeownersErrorTest extends AbstractGitHubWireMockTest {
+
+    /**
+     * Gets the {@code CODEOWNERS} errors.
+     *
+     * @throws IOException
+     *             the exception
+     */
+    @Test
+    public void testGetCodeownersErrors() throws IOException {
+        final GHRepository repo = getRepository(gitHub);
+        final List<GHCodeownersError> codeownersErrors = repo.listCodeownersErrors();
+        assertThat(codeownersErrors.size(), is(1));
+        final GHCodeownersError firstError = codeownersErrors.get(0);
+        assertThat(firstError.getLine(), is(1));
+        assertThat(firstError.getColumn(), is(3));
+        assertThat(firstError.getKind(), is("Unknown owner"));
+        assertThat(firstError.getSource(),
+                is("* @nonexistent-user # Deliberate error to test response to repo.listCodeownersErrors()\n"));
+        assertThat(firstError.getSuggestion(),
+                is("make sure @nonexistent-user exists and has write access to the repository"));
+        assertThat(firstError.getMessage(),
+                is("Unknown owner on line 1: make sure @nonexistent-user exists and has write access to the repository\n\n  * @nonexistent-user # Deliberate error to test response to repo.listCodeownersErrors()\n    ^"));
+        assertThat(firstError.getPath(), is(".github/CODEOWNERS"));
+    }
+
+    /**
+     * Gets the repository.
+     *
+     * @return the repository
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    protected GHRepository getRepository() throws IOException {
+        return getRepository(gitHub);
+    }
+
+    private GHRepository getRepository(GitHub gitHub) throws IOException {
+        return gitHub.getOrganization(GITHUB_API_TEST_ORG).getRepository("github-api");
+    }
+}
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/orgs_hub4j-test-org-1.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/orgs_hub4j-test-org-1.json
new file mode 100644
index 0000000000..3fee6b6ffd
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/orgs_hub4j-test-org-1.json
@@ -0,0 +1,31 @@
+{
+  "login": "hub4j-test-org",
+  "id": 7544739,
+  "node_id": "MDEyOk9yZ2FuaXphdGlvbjc1NDQ3Mzk=",
+  "url": "https://api.github.com/orgs/hub4j-test-org",
+  "repos_url": "https://api.github.com/orgs/hub4j-test-org/repos",
+  "events_url": "https://api.github.com/orgs/hub4j-test-org/events",
+  "hooks_url": "https://api.github.com/orgs/hub4j-test-org/hooks",
+  "issues_url": "https://api.github.com/orgs/hub4j-test-org/issues",
+  "members_url": "https://api.github.com/orgs/hub4j-test-org/members{/member}",
+  "public_members_url": "https://api.github.com/orgs/hub4j-test-org/public_members{/member}",
+  "avatar_url": "https://avatars.githubusercontent.com/u/7544739?v=4",
+  "description": "Hub4j Test Org Description (this could be null or blank too)",
+  "name": "Hub4j Test Org Name (this could be null or blank too)",
+  "company": null,
+  "blog": "https://hub4j.url.io/could/be/null",
+  "location": "Hub4j Test Org Location (this could be null or blank too)",
+  "email": "hub4jtestorgemail@could.be.null.com",
+  "twitter_username": null,
+  "is_verified": false,
+  "has_organization_projects": true,
+  "has_repository_projects": true,
+  "public_repos": 54,
+  "public_gists": 0,
+  "followers": 1,
+  "following": 0,
+  "html_url": "https://github.com/hub4j-test-org",
+  "created_at": "2014-05-10T19:39:11Z",
+  "updated_at": "2020-06-04T05:56:10Z",
+  "type": "Organization"
+}
\ No newline at end of file
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api-2.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api-2.json
new file mode 100644
index 0000000000..bf61dfac64
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api-2.json
@@ -0,0 +1,357 @@
+{
+  "id": 206888201,
+  "node_id": "MDEwOlJlcG9zaXRvcnkyMDY4ODgyMDE=",
+  "name": "github-api",
+  "full_name": "hub4j-test-org/github-api",
+  "private": false,
+  "owner": {
+    "login": "hub4j-test-org",
+    "id": 7544739,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjc1NDQ3Mzk=",
+    "avatar_url": "https://avatars.githubusercontent.com/u/7544739?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/hub4j-test-org",
+    "html_url": "https://github.com/hub4j-test-org",
+    "followers_url": "https://api.github.com/users/hub4j-test-org/followers",
+    "following_url": "https://api.github.com/users/hub4j-test-org/following{/other_user}",
+    "gists_url": "https://api.github.com/users/hub4j-test-org/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/hub4j-test-org/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/hub4j-test-org/subscriptions",
+    "organizations_url": "https://api.github.com/users/hub4j-test-org/orgs",
+    "repos_url": "https://api.github.com/users/hub4j-test-org/repos",
+    "events_url": "https://api.github.com/users/hub4j-test-org/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/hub4j-test-org/received_events",
+    "type": "Organization",
+    "site_admin": false
+  },
+  "html_url": "https://github.com/hub4j-test-org/github-api",
+  "description": "Tricky",
+  "fork": true,
+  "url": "https://api.github.com/repos/hub4j-test-org/github-api",
+  "forks_url": "https://api.github.com/repos/hub4j-test-org/github-api/forks",
+  "keys_url": "https://api.github.com/repos/hub4j-test-org/github-api/keys{/key_id}",
+  "collaborators_url": "https://api.github.com/repos/hub4j-test-org/github-api/collaborators{/collaborator}",
+  "teams_url": "https://api.github.com/repos/hub4j-test-org/github-api/teams",
+  "hooks_url": "https://api.github.com/repos/hub4j-test-org/github-api/hooks",
+  "issue_events_url": "https://api.github.com/repos/hub4j-test-org/github-api/issues/events{/number}",
+  "events_url": "https://api.github.com/repos/hub4j-test-org/github-api/events",
+  "assignees_url": "https://api.github.com/repos/hub4j-test-org/github-api/assignees{/user}",
+  "branches_url": "https://api.github.com/repos/hub4j-test-org/github-api/branches{/branch}",
+  "tags_url": "https://api.github.com/repos/hub4j-test-org/github-api/tags",
+  "blobs_url": "https://api.github.com/repos/hub4j-test-org/github-api/git/blobs{/sha}",
+  "git_tags_url": "https://api.github.com/repos/hub4j-test-org/github-api/git/tags{/sha}",
+  "git_refs_url": "https://api.github.com/repos/hub4j-test-org/github-api/git/refs{/sha}",
+  "trees_url": "https://api.github.com/repos/hub4j-test-org/github-api/git/trees{/sha}",
+  "statuses_url": "https://api.github.com/repos/hub4j-test-org/github-api/statuses/{sha}",
+  "languages_url": "https://api.github.com/repos/hub4j-test-org/github-api/languages",
+  "stargazers_url": "https://api.github.com/repos/hub4j-test-org/github-api/stargazers",
+  "contributors_url": "https://api.github.com/repos/hub4j-test-org/github-api/contributors",
+  "subscribers_url": "https://api.github.com/repos/hub4j-test-org/github-api/subscribers",
+  "subscription_url": "https://api.github.com/repos/hub4j-test-org/github-api/subscription",
+  "commits_url": "https://api.github.com/repos/hub4j-test-org/github-api/commits{/sha}",
+  "git_commits_url": "https://api.github.com/repos/hub4j-test-org/github-api/git/commits{/sha}",
+  "comments_url": "https://api.github.com/repos/hub4j-test-org/github-api/comments{/number}",
+  "issue_comment_url": "https://api.github.com/repos/hub4j-test-org/github-api/issues/comments{/number}",
+  "contents_url": "https://api.github.com/repos/hub4j-test-org/github-api/contents/{+path}",
+  "compare_url": "https://api.github.com/repos/hub4j-test-org/github-api/compare/{base}...{head}",
+  "merges_url": "https://api.github.com/repos/hub4j-test-org/github-api/merges",
+  "archive_url": "https://api.github.com/repos/hub4j-test-org/github-api/{archive_format}{/ref}",
+  "downloads_url": "https://api.github.com/repos/hub4j-test-org/github-api/downloads",
+  "issues_url": "https://api.github.com/repos/hub4j-test-org/github-api/issues{/number}",
+  "pulls_url": "https://api.github.com/repos/hub4j-test-org/github-api/pulls{/number}",
+  "milestones_url": "https://api.github.com/repos/hub4j-test-org/github-api/milestones{/number}",
+  "notifications_url": "https://api.github.com/repos/hub4j-test-org/github-api/notifications{?since,all,participating}",
+  "labels_url": "https://api.github.com/repos/hub4j-test-org/github-api/labels{/name}",
+  "releases_url": "https://api.github.com/repos/hub4j-test-org/github-api/releases{/id}",
+  "deployments_url": "https://api.github.com/repos/hub4j-test-org/github-api/deployments",
+  "created_at": "2019-09-06T23:26:04Z",
+  "updated_at": "2023-01-31T10:03:44Z",
+  "pushed_at": "2023-02-01T12:37:22Z",
+  "git_url": "git://github.com/hub4j-test-org/github-api.git",
+  "ssh_url": "git@github.com:hub4j-test-org/github-api.git",
+  "clone_url": "https://github.com/hub4j-test-org/github-api.git",
+  "svn_url": "https://github.com/hub4j-test-org/github-api",
+  "homepage": "http://github-api.kohsuke.org/",
+  "size": 18977,
+  "stargazers_count": 1,
+  "watchers_count": 1,
+  "language": "Java",
+  "has_issues": true,
+  "has_projects": true,
+  "has_downloads": true,
+  "has_wiki": true,
+  "has_pages": false,
+  "has_discussions": false,
+  "forks_count": 0,
+  "mirror_url": null,
+  "archived": false,
+  "disabled": false,
+  "open_issues_count": 7,
+  "license": {
+    "key": "mit",
+    "name": "MIT License",
+    "spdx_id": "MIT",
+    "url": "https://api.github.com/licenses/mit",
+    "node_id": "MDc6TGljZW5zZTEz"
+  },
+  "allow_forking": true,
+  "is_template": false,
+  "web_commit_signoff_required": false,
+  "topics": [],
+  "visibility": "public",
+  "forks": 0,
+  "open_issues": 7,
+  "watchers": 1,
+  "default_branch": "main",
+  "temp_clone_token": null,
+  "organization": {
+    "login": "hub4j-test-org",
+    "id": 7544739,
+    "node_id": "MDEyOk9yZ2FuaXphdGlvbjc1NDQ3Mzk=",
+    "avatar_url": "https://avatars.githubusercontent.com/u/7544739?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/hub4j-test-org",
+    "html_url": "https://github.com/hub4j-test-org",
+    "followers_url": "https://api.github.com/users/hub4j-test-org/followers",
+    "following_url": "https://api.github.com/users/hub4j-test-org/following{/other_user}",
+    "gists_url": "https://api.github.com/users/hub4j-test-org/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/hub4j-test-org/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/hub4j-test-org/subscriptions",
+    "organizations_url": "https://api.github.com/users/hub4j-test-org/orgs",
+    "repos_url": "https://api.github.com/users/hub4j-test-org/repos",
+    "events_url": "https://api.github.com/users/hub4j-test-org/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/hub4j-test-org/received_events",
+    "type": "Organization",
+    "site_admin": false
+  },
+  "parent": {
+    "id": 617210,
+    "node_id": "MDEwOlJlcG9zaXRvcnk2MTcyMTA=",
+    "name": "github-api",
+    "full_name": "hub4j/github-api",
+    "private": false,
+    "owner": {
+      "login": "hub4j",
+      "id": 54909825,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU0OTA5ODI1",
+      "avatar_url": "https://avatars.githubusercontent.com/u/54909825?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/hub4j",
+      "html_url": "https://github.com/hub4j",
+      "followers_url": "https://api.github.com/users/hub4j/followers",
+      "following_url": "https://api.github.com/users/hub4j/following{/other_user}",
+      "gists_url": "https://api.github.com/users/hub4j/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/hub4j/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/hub4j/subscriptions",
+      "organizations_url": "https://api.github.com/users/hub4j/orgs",
+      "repos_url": "https://api.github.com/users/hub4j/repos",
+      "events_url": "https://api.github.com/users/hub4j/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/hub4j/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/hub4j/github-api",
+    "description": "Java API for GitHub",
+    "fork": false,
+    "url": "https://api.github.com/repos/hub4j/github-api",
+    "forks_url": "https://api.github.com/repos/hub4j/github-api/forks",
+    "keys_url": "https://api.github.com/repos/hub4j/github-api/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/hub4j/github-api/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/hub4j/github-api/teams",
+    "hooks_url": "https://api.github.com/repos/hub4j/github-api/hooks",
+    "issue_events_url": "https://api.github.com/repos/hub4j/github-api/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/hub4j/github-api/events",
+    "assignees_url": "https://api.github.com/repos/hub4j/github-api/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/hub4j/github-api/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/hub4j/github-api/tags",
+    "blobs_url": "https://api.github.com/repos/hub4j/github-api/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/hub4j/github-api/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/hub4j/github-api/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/hub4j/github-api/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/hub4j/github-api/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/hub4j/github-api/languages",
+    "stargazers_url": "https://api.github.com/repos/hub4j/github-api/stargazers",
+    "contributors_url": "https://api.github.com/repos/hub4j/github-api/contributors",
+    "subscribers_url": "https://api.github.com/repos/hub4j/github-api/subscribers",
+    "subscription_url": "https://api.github.com/repos/hub4j/github-api/subscription",
+    "commits_url": "https://api.github.com/repos/hub4j/github-api/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/hub4j/github-api/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/hub4j/github-api/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/hub4j/github-api/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/hub4j/github-api/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/hub4j/github-api/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/hub4j/github-api/merges",
+    "archive_url": "https://api.github.com/repos/hub4j/github-api/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/hub4j/github-api/downloads",
+    "issues_url": "https://api.github.com/repos/hub4j/github-api/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/hub4j/github-api/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/hub4j/github-api/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/hub4j/github-api/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/hub4j/github-api/labels{/name}",
+    "releases_url": "https://api.github.com/repos/hub4j/github-api/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/hub4j/github-api/deployments",
+    "created_at": "2010-04-19T04:13:03Z",
+    "updated_at": "2023-01-30T18:28:31Z",
+    "pushed_at": "2023-02-01T11:03:02Z",
+    "git_url": "git://github.com/hub4j/github-api.git",
+    "ssh_url": "git@github.com:hub4j/github-api.git",
+    "clone_url": "https://github.com/hub4j/github-api.git",
+    "svn_url": "https://github.com/hub4j/github-api",
+    "homepage": "https://github-api.kohsuke.org/",
+    "size": 40829,
+    "stargazers_count": 972,
+    "watchers_count": 972,
+    "language": "Java",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": true,
+    "has_pages": true,
+    "has_discussions": true,
+    "forks_count": 651,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 139,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "allow_forking": true,
+    "is_template": false,
+    "web_commit_signoff_required": false,
+    "topics": [
+      "api",
+      "client-library",
+      "github",
+      "github-api",
+      "github-api-v3",
+      "java",
+      "java-api"
+    ],
+    "visibility": "public",
+    "forks": 651,
+    "open_issues": 139,
+    "watchers": 972,
+    "default_branch": "main"
+  },
+  "source": {
+    "id": 617210,
+    "node_id": "MDEwOlJlcG9zaXRvcnk2MTcyMTA=",
+    "name": "github-api",
+    "full_name": "hub4j/github-api",
+    "private": false,
+    "owner": {
+      "login": "hub4j",
+      "id": 54909825,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjU0OTA5ODI1",
+      "avatar_url": "https://avatars.githubusercontent.com/u/54909825?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/hub4j",
+      "html_url": "https://github.com/hub4j",
+      "followers_url": "https://api.github.com/users/hub4j/followers",
+      "following_url": "https://api.github.com/users/hub4j/following{/other_user}",
+      "gists_url": "https://api.github.com/users/hub4j/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/hub4j/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/hub4j/subscriptions",
+      "organizations_url": "https://api.github.com/users/hub4j/orgs",
+      "repos_url": "https://api.github.com/users/hub4j/repos",
+      "events_url": "https://api.github.com/users/hub4j/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/hub4j/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/hub4j/github-api",
+    "description": "Java API for GitHub",
+    "fork": false,
+    "url": "https://api.github.com/repos/hub4j/github-api",
+    "forks_url": "https://api.github.com/repos/hub4j/github-api/forks",
+    "keys_url": "https://api.github.com/repos/hub4j/github-api/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/hub4j/github-api/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/hub4j/github-api/teams",
+    "hooks_url": "https://api.github.com/repos/hub4j/github-api/hooks",
+    "issue_events_url": "https://api.github.com/repos/hub4j/github-api/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/hub4j/github-api/events",
+    "assignees_url": "https://api.github.com/repos/hub4j/github-api/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/hub4j/github-api/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/hub4j/github-api/tags",
+    "blobs_url": "https://api.github.com/repos/hub4j/github-api/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/hub4j/github-api/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/hub4j/github-api/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/hub4j/github-api/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/hub4j/github-api/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/hub4j/github-api/languages",
+    "stargazers_url": "https://api.github.com/repos/hub4j/github-api/stargazers",
+    "contributors_url": "https://api.github.com/repos/hub4j/github-api/contributors",
+    "subscribers_url": "https://api.github.com/repos/hub4j/github-api/subscribers",
+    "subscription_url": "https://api.github.com/repos/hub4j/github-api/subscription",
+    "commits_url": "https://api.github.com/repos/hub4j/github-api/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/hub4j/github-api/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/hub4j/github-api/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/hub4j/github-api/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/hub4j/github-api/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/hub4j/github-api/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/hub4j/github-api/merges",
+    "archive_url": "https://api.github.com/repos/hub4j/github-api/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/hub4j/github-api/downloads",
+    "issues_url": "https://api.github.com/repos/hub4j/github-api/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/hub4j/github-api/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/hub4j/github-api/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/hub4j/github-api/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/hub4j/github-api/labels{/name}",
+    "releases_url": "https://api.github.com/repos/hub4j/github-api/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/hub4j/github-api/deployments",
+    "created_at": "2010-04-19T04:13:03Z",
+    "updated_at": "2023-01-30T18:28:31Z",
+    "pushed_at": "2023-02-01T11:03:02Z",
+    "git_url": "git://github.com/hub4j/github-api.git",
+    "ssh_url": "git@github.com:hub4j/github-api.git",
+    "clone_url": "https://github.com/hub4j/github-api.git",
+    "svn_url": "https://github.com/hub4j/github-api",
+    "homepage": "https://github-api.kohsuke.org/",
+    "size": 40829,
+    "stargazers_count": 972,
+    "watchers_count": 972,
+    "language": "Java",
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": true,
+    "has_pages": true,
+    "has_discussions": true,
+    "forks_count": 651,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 139,
+    "license": {
+      "key": "mit",
+      "name": "MIT License",
+      "spdx_id": "MIT",
+      "url": "https://api.github.com/licenses/mit",
+      "node_id": "MDc6TGljZW5zZTEz"
+    },
+    "allow_forking": true,
+    "is_template": false,
+    "web_commit_signoff_required": false,
+    "topics": [
+      "api",
+      "client-library",
+      "github",
+      "github-api",
+      "github-api-v3",
+      "java",
+      "java-api"
+    ],
+    "visibility": "public",
+    "forks": 651,
+    "open_issues": 139,
+    "watchers": 972,
+    "default_branch": "main"
+  },
+  "network_count": 651,
+  "subscribers_count": 1
+}
\ No newline at end of file
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api_codeowners_errors-3.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api_codeowners_errors-3.json
new file mode 100644
index 0000000000..243321999f
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/__files/repos_hub4j-test-org_github-api_codeowners_errors-3.json
@@ -0,0 +1,13 @@
+{
+  "errors": [
+    {
+      "line": 1,
+      "column": 3,
+      "source": "* @nonexistent-user # Deliberate error to test response to repo.listCodeownersErrors()\n",
+      "kind": "Unknown owner",
+      "suggestion": "make sure @nonexistent-user exists and has write access to the repository",
+      "message": "Unknown owner on line 1: make sure @nonexistent-user exists and has write access to the repository\n\n  * @nonexistent-user # Deliberate error to test response to repo.listCodeownersErrors()\n    ^",
+      "path": ".github/CODEOWNERS"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/orgs_hub4j-test-org-1.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/orgs_hub4j-test-org-1.json
new file mode 100644
index 0000000000..d29d4588d3
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/orgs_hub4j-test-org-1.json
@@ -0,0 +1,46 @@
+{
+  "id": "fed03a9c-634b-4e3c-8423-11e978fcc80d",
+  "name": "orgs_hub4j-test-org",
+  "request": {
+    "url": "/orgs/hub4j-test-org",
+    "method": "GET",
+    "headers": {
+      "Accept": {
+        "equalTo": "application/vnd.github.v3+json"
+      }
+    }
+  },
+  "response": {
+    "status": 200,
+    "bodyFileName": "orgs_hub4j-test-org-1.json",
+    "headers": {
+      "Server": "GitHub.com",
+      "Date": "Wed, 01 Feb 2023 13:13:32 GMT",
+      "Content-Type": "application/json; charset=utf-8",
+      "Cache-Control": "public, max-age=60, s-maxage=60",
+      "Vary": "Accept, Accept-Encoding, Accept, X-Requested-With",
+      "ETag": "W/\"019b7739e9fbcde09b75c43c41ed21dbb8be92b33062c8544e40549543f07fc9\"",
+      "Last-Modified": "Thu, 04 Jun 2020 05:56:10 GMT",
+      "X-GitHub-Media-Type": "github.v3; format=json",
+      "x-github-api-version-selected": "2022-11-28",
+      "Access-Control-Expose-Headers": "ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset",
+      "Access-Control-Allow-Origin": "*",
+      "Strict-Transport-Security": "max-age=31536000; includeSubdomains; preload",
+      "X-Frame-Options": "deny",
+      "X-Content-Type-Options": "nosniff",
+      "X-XSS-Protection": "0",
+      "Referrer-Policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
+      "Content-Security-Policy": "default-src 'none'",
+      "X-RateLimit-Limit": "60",
+      "X-RateLimit-Remaining": "12",
+      "X-RateLimit-Reset": "1675258706",
+      "X-RateLimit-Resource": "core",
+      "X-RateLimit-Used": "48",
+      "Accept-Ranges": "bytes",
+      "X-GitHub-Request-Id": "B77E:E756:54773C6:55FA2D7:63DA657C"
+    }
+  },
+  "uuid": "fed03a9c-634b-4e3c-8423-11e978fcc80d",
+  "persistent": true,
+  "insertionIndex": 1
+}
\ No newline at end of file
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api-2.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api-2.json
new file mode 100644
index 0000000000..f47d8f16e2
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api-2.json
@@ -0,0 +1,46 @@
+{
+  "id": "83ae59b2-2fee-4b87-b9c5-d4c9df208df2",
+  "name": "repos_hub4j-test-org_github-api",
+  "request": {
+    "url": "/repos/hub4j-test-org/github-api",
+    "method": "GET",
+    "headers": {
+      "Accept": {
+        "equalTo": "application/vnd.github.v3+json"
+      }
+    }
+  },
+  "response": {
+    "status": 200,
+    "bodyFileName": "repos_hub4j-test-org_github-api-2.json",
+    "headers": {
+      "Server": "GitHub.com",
+      "Date": "Wed, 01 Feb 2023 13:13:33 GMT",
+      "Content-Type": "application/json; charset=utf-8",
+      "Cache-Control": "public, max-age=60, s-maxage=60",
+      "Vary": "Accept, Accept-Encoding, Accept, X-Requested-With",
+      "ETag": "W/\"764f0069b95f6b8021183ff5da0ff253c0aa150492ab6776e0bbbb19df38fd31\"",
+      "Last-Modified": "Tue, 31 Jan 2023 10:03:44 GMT",
+      "X-GitHub-Media-Type": "github.v3; format=json",
+      "x-github-api-version-selected": "2022-11-28",
+      "Access-Control-Expose-Headers": "ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset",
+      "Access-Control-Allow-Origin": "*",
+      "Strict-Transport-Security": "max-age=31536000; includeSubdomains; preload",
+      "X-Frame-Options": "deny",
+      "X-Content-Type-Options": "nosniff",
+      "X-XSS-Protection": "0",
+      "Referrer-Policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
+      "Content-Security-Policy": "default-src 'none'",
+      "X-RateLimit-Limit": "60",
+      "X-RateLimit-Remaining": "11",
+      "X-RateLimit-Reset": "1675258706",
+      "X-RateLimit-Resource": "core",
+      "X-RateLimit-Used": "49",
+      "Accept-Ranges": "bytes",
+      "X-GitHub-Request-Id": "B77E:E756:54775D8:55FA4F1:63DA657D"
+    }
+  },
+  "uuid": "83ae59b2-2fee-4b87-b9c5-d4c9df208df2",
+  "persistent": true,
+  "insertionIndex": 2
+}
\ No newline at end of file
diff --git a/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api_codeowners_errors-3.json b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api_codeowners_errors-3.json
new file mode 100644
index 0000000000..d11d713046
--- /dev/null
+++ b/src/test/resources/org/kohsuke/github/GHCodeownersErrorTest/wiremock/testGetCodeownersErrors/mappings/repos_hub4j-test-org_github-api_codeowners_errors-3.json
@@ -0,0 +1,45 @@
+{
+  "id": "fa38407c-47c9-4eb9-88c1-fe025c83c5f7",
+  "name": "repos_hub4j-test-org_github-api_codeowners_errors",
+  "request": {
+    "url": "/repos/hub4j-test-org/github-api/codeowners/errors",
+    "method": "GET",
+    "headers": {
+      "Accept": {
+        "equalTo": "application/vnd.github.v3+json"
+      }
+    }
+  },
+  "response": {
+    "status": 200,
+    "bodyFileName": "repos_hub4j-test-org_github-api_codeowners_errors-3.json",
+    "headers": {
+      "Server": "GitHub.com",
+      "Date": "Wed, 01 Feb 2023 13:13:33 GMT",
+      "Content-Type": "application/json; charset=utf-8",
+      "Cache-Control": "public, max-age=60, s-maxage=60",
+      "Vary": "Accept, Accept-Encoding, Accept, X-Requested-With",
+      "ETag": "W/\"2429b2e50fda38535f58bfed72e523831eedca6b313cb9c6b660306c7d8e0452\"",
+      "X-GitHub-Media-Type": "github.v3; format=json",
+      "x-github-api-version-selected": "2022-11-28",
+      "Access-Control-Expose-Headers": "ETag, Link, Location, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Used, X-RateLimit-Resource, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval, X-GitHub-Media-Type, X-GitHub-SSO, X-GitHub-Request-Id, Deprecation, Sunset",
+      "Access-Control-Allow-Origin": "*",
+      "Strict-Transport-Security": "max-age=31536000; includeSubdomains; preload",
+      "X-Frame-Options": "deny",
+      "X-Content-Type-Options": "nosniff",
+      "X-XSS-Protection": "0",
+      "Referrer-Policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
+      "Content-Security-Policy": "default-src 'none'",
+      "X-RateLimit-Limit": "60",
+      "X-RateLimit-Remaining": "10",
+      "X-RateLimit-Reset": "1675258706",
+      "X-RateLimit-Resource": "core",
+      "X-RateLimit-Used": "50",
+      "Accept-Ranges": "bytes",
+      "X-GitHub-Request-Id": "B77E:E756:54777B2:55FA6C7:63DA657D"
+    }
+  },
+  "uuid": "fa38407c-47c9-4eb9-88c1-fe025c83c5f7",
+  "persistent": true,
+  "insertionIndex": 3
+}
\ No newline at end of file