diff --git a/src/aphront/handler/PhabricatorAjaxRequestExceptionHandler.php b/src/aphront/handler/PhabricatorAjaxRequestExceptionHandler.php
--- a/src/aphront/handler/PhabricatorAjaxRequestExceptionHandler.php
+++ b/src/aphront/handler/PhabricatorAjaxRequestExceptionHandler.php
@@ -18,13 +18,8 @@
     return ($request->isAjax() && !$request->isWorkflow());
   }
 
-  public function handleRequestThrowable(
-    AphrontRequest $request,
-    $throwable) {
-
-    // Log these; they don't get shown on the client and can be difficult
-    // to debug.
-    phlog($throwable);
+  public function handleRequestThrowable(AphrontRequest $request, $throwable) {
+    parent::handleRequestThrowable($request, $throwable);
 
     $response = new AphrontAjaxResponse();
     $response->setError(
diff --git a/src/aphront/handler/PhabricatorDefaultRequestExceptionHandler.php b/src/aphront/handler/PhabricatorDefaultRequestExceptionHandler.php
--- a/src/aphront/handler/PhabricatorDefaultRequestExceptionHandler.php
+++ b/src/aphront/handler/PhabricatorDefaultRequestExceptionHandler.php
@@ -22,27 +22,12 @@
     return true;
   }
 
-  public function handleRequestThrowable(
-    AphrontRequest $request,
-    $throwable) {
-
-    $viewer = $this->getViewer($request);
-
-    // Some types of uninteresting request exceptions don't get logged, usually
-    // because they are caused by the background radiation of bot traffic on
-    // the internet. These include requests with bad CSRF tokens and
-    // questionable "Host" headers.
-    $should_log = true;
-    if ($throwable instanceof AphrontMalformedRequestException) {
-      $should_log = !$throwable->getIsUnlogged();
-    }
-
-    if ($should_log) {
-      phlog($throwable);
-    }
+  public function handleRequestThrowable(AphrontRequest $request, $throwable) {
+    parent::handleRequestThrowable($request, $throwable);
 
     $class = get_class($throwable);
     $message = $throwable->getMessage();
+    $viewer = $this->getViewer($request);
 
     if ($throwable instanceof AphrontSchemaQueryException) {
       $message .= "\n\n".pht(
diff --git a/src/aphront/handler/PhabricatorRequestExceptionHandler.php b/src/aphront/handler/PhabricatorRequestExceptionHandler.php
--- a/src/aphront/handler/PhabricatorRequestExceptionHandler.php
+++ b/src/aphront/handler/PhabricatorRequestExceptionHandler.php
@@ -23,4 +23,20 @@
     return new PhabricatorUser();
   }
 
+  public function handleRequestThrowable(AphrontRequest $request, $throwable) {
+    // Some types of uninteresting request exceptions don't get logged, usually
+    // because they are caused by the background radiation of bot traffic on
+    // the internet. These include requests with bad CSRF tokens and
+    // questionable "Host" headers.
+    $should_log = true;
+
+    if ($throwable instanceof AphrontMalformedRequestException) {
+      $should_log = !$throwable->getIsUnlogged();
+    }
+
+    if ($should_log) {
+      phlog($throwable);
+    }
+  }
+
 }