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
@@ -42,7 +42,14 @@
     }
 
     $class = get_class($throwable);
-    $message = $throwable->getMessage();
+
+    // Include last location in error message: Get absolute Phorge path, strip
+    // its /webroot, and remove it as path prefix not to expose server details
+    $root_dir_len = strlen(substr(realpath($_SERVER['DOCUMENT_ROOT']), 0,
+      -15));
+    $filename = substr($throwable->getFile(), $root_dir_len);
+    $message = $throwable->getMessage().' at ['.$filename.':'.
+      $throwable->getLine().']';
 
     if ($throwable instanceof AphrontSchemaQueryException) {
       $message .= "\n\n".pht(