From 3d26799248e98a77b63272e07b3c7dcfd871b0a6 Mon Sep 17 00:00:00 2001
From: johnjbarton <johnjbarton@johnjbarton.com>
Date: Fri, 19 Apr 2019 09:21:53 -0700
Subject: [PATCH] fix(server): Don't emit infrastructure_failure on ECONNRESET
 and no sockets open

---
 lib/server.js | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/lib/server.js b/lib/server.js
index c61748a40..ae95b59c7 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -372,14 +372,32 @@ class Server extends KarmaEventEmitter {
     processWrapper.on('SIGINT', () => disconnectBrowsers(process.exitCode))
     processWrapper.on('SIGTERM', disconnectBrowsers)
 
-    processWrapper.on('uncaughtException', (error) => {
+    const notKarmaError = (error) => {
+      // Someone else's socket error?
+      if (error.toString().includes('ECONNRESET') &&
+        !Object.keys(socketServer.sockets.sockets).length) {
+        return true
+      }
+      return false
+    }
+
+    const reportError = (error) => {
       this.log.error(error)
+      if (notKarmaError(error)) {
+        return
+      }
+      process.emit('infrastructure_error', error)
       disconnectBrowsers(1)
-    })
+    }
 
     processWrapper.on('unhandledRejection', (error) => {
-      this.log.error(error)
-      disconnectBrowsers(1)
+      this.log.error('UnhandledRejection')
+      reportError(error)
+    })
+
+    processWrapper.on('uncaughtException', (error) => {
+      this.log.error('UncaughtException')
+      reportError(error)
     })
   }