From 276d4f7e6789e4aa7e88860e48f61c88d3f69f25 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Thu, 25 Jan 2018 14:20:41 +0100
Subject: [PATCH] IcingaException::getConfidentialTraceAsString(): don't fail
 on internal functions

refs #3318
---
 library/Icinga/Exception/IcingaException.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/Icinga/Exception/IcingaException.php b/library/Icinga/Exception/IcingaException.php
index cb3dd3d94..7713499e5 100644
--- a/library/Icinga/Exception/IcingaException.php
+++ b/library/Icinga/Exception/IcingaException.php
@@ -74,7 +74,9 @@ class IcingaException extends Exception
         $trace = array();
 
         foreach ($exception->getTrace() as $index => $frame) {
-            $trace[] = "#{$index} {$frame['file']}({$frame['line']}): ";
+            $trace[] = isset($frame['file'])
+                ? "#{$index} {$frame['file']}({$frame['line']}): "
+                : "#{$index} [internal function]: ";
 
             if (isset($frame['class'])) {
                 $trace[] = $frame['class'];