diff --git a/src/main/java/org/kohsuke/github/GitHubAbuseLimitHandler.java b/src/main/java/org/kohsuke/github/GitHubAbuseLimitHandler.java
index 2c05dd1455..5dda9c42d0 100644
--- a/src/main/java/org/kohsuke/github/GitHubAbuseLimitHandler.java
+++ b/src/main/java/org/kohsuke/github/GitHubAbuseLimitHandler.java
@@ -97,6 +97,21 @@ static long parseWaitTime(GitHubConnectorResponse connectorResponse) {
     public GitHubAbuseLimitHandler() {
     }
 
+    /**
+     * Checks if is error.
+     *
+     * @param connectorResponse
+     *            the connector response
+     * @return true, if is error
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    @Override
+    public boolean isError(@Nonnull GitHubConnectorResponse connectorResponse) throws IOException {
+        return isTooManyRequests(connectorResponse)
+                || (isForbidden(connectorResponse) && hasRetryOrLimitHeader(connectorResponse));
+    }
+
     /**
      * Called when the library encounters HTTP error indicating that the API abuse limit is reached.
      *
@@ -168,19 +183,4 @@ private boolean isTooManyRequests(GitHubConnectorResponse connectorResponse) {
         return connectorResponse.statusCode() == TOO_MANY_REQUESTS;
     }
 
-    /**
-     * Checks if is error.
-     *
-     * @param connectorResponse
-     *            the connector response
-     * @return true, if is error
-     * @throws IOException
-     *             Signals that an I/O exception has occurred.
-     */
-    @Override
-    boolean isError(@Nonnull GitHubConnectorResponse connectorResponse) {
-        return isTooManyRequests(connectorResponse)
-                || (isForbidden(connectorResponse) && hasRetryOrLimitHeader(connectorResponse));
-    }
-
 }
diff --git a/src/main/java/org/kohsuke/github/GitHubConnectorResponseErrorHandler.java b/src/main/java/org/kohsuke/github/GitHubConnectorResponseErrorHandler.java
index cb729e321c..5a50b10c4f 100644
--- a/src/main/java/org/kohsuke/github/GitHubConnectorResponseErrorHandler.java
+++ b/src/main/java/org/kohsuke/github/GitHubConnectorResponseErrorHandler.java
@@ -84,6 +84,17 @@ private boolean isServiceDown(GitHubConnectorResponse connectorResponse) throws
         }
     };
 
+    /**
+     * Called to detect an error handled by this handler.
+     *
+     * @param connectorResponse
+     *            the connector response
+     * @return {@code true} if there is an error and {@link #onError(GitHubConnectorResponse)} should be called
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    public abstract boolean isError(@Nonnull GitHubConnectorResponse connectorResponse) throws IOException;
+
     /**
      * Called when the library encounters HTTP error matching {@link #isError(GitHubConnectorResponse)}
      *
@@ -100,15 +111,4 @@ private boolean isServiceDown(GitHubConnectorResponse connectorResponse) throws
      * @see <a href="https://developer.github.com/v3/#rate-limiting">API documentation from GitHub</a>
      */
     public abstract void onError(@Nonnull GitHubConnectorResponse connectorResponse) throws IOException;
-
-    /**
-     * Called to detect an error handled by this handler.
-     *
-     * @param connectorResponse
-     *            the connector response
-     * @return {@code true} if there is an error and {@link #onError(GitHubConnectorResponse)} should be called
-     * @throws IOException
-     *             Signals that an I/O exception has occurred.
-     */
-    abstract boolean isError(@Nonnull GitHubConnectorResponse connectorResponse) throws IOException;
 }
diff --git a/src/main/java/org/kohsuke/github/GitHubRateLimitHandler.java b/src/main/java/org/kohsuke/github/GitHubRateLimitHandler.java
index dd6149b1bd..fae55619c0 100644
--- a/src/main/java/org/kohsuke/github/GitHubRateLimitHandler.java
+++ b/src/main/java/org/kohsuke/github/GitHubRateLimitHandler.java
@@ -64,6 +64,21 @@ public void onError(GitHubConnectorResponse connectorResponse) throws IOExceptio
     public GitHubRateLimitHandler() {
     }
 
+    /**
+     * Checks if is error.
+     *
+     * @param connectorResponse
+     *            the connector response
+     * @return true, if is error
+     * @throws IOException
+     *             Signals that an I/O exception has occurred.
+     */
+    @Override
+    public boolean isError(@NotNull GitHubConnectorResponse connectorResponse) throws IOException {
+        return connectorResponse.statusCode() == HTTP_FORBIDDEN
+                && "0".equals(connectorResponse.header("X-RateLimit-Remaining"));
+    }
+
     /**
      * Called when the library encounters HTTP error indicating that the API rate limit has been exceeded.
      *
@@ -81,21 +96,6 @@ public GitHubRateLimitHandler() {
      */
     public abstract void onError(@Nonnull GitHubConnectorResponse connectorResponse) throws IOException;
 
-    /**
-     * Checks if is error.
-     *
-     * @param connectorResponse
-     *            the connector response
-     * @return true, if is error
-     * @throws IOException
-     *             Signals that an I/O exception has occurred.
-     */
-    @Override
-    boolean isError(@NotNull GitHubConnectorResponse connectorResponse) throws IOException {
-        return connectorResponse.statusCode() == HTTP_FORBIDDEN
-                && "0".equals(connectorResponse.header("X-RateLimit-Remaining"));
-    }
-
     /*
      * Exposed for testability. Given an http response, find the rate limit reset header field and parse it. If no
      * header is found, wait for a reasonably amount of time.