From e0d2602443d000c9d7a1953e8e282bf572e68ac9 Mon Sep 17 00:00:00 2001
From: Gaetano Giunta <gg@ez.no>
Date: Thu, 26 Jan 2017 11:05:39 +0000
Subject: [PATCH] Fix EZP-26907: avoid 'mysql has gone away' errors

---
 bin/php/updatesearchindexsolr.php | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/bin/php/updatesearchindexsolr.php b/bin/php/updatesearchindexsolr.php
index 88b91057..cc8001c1 100755
--- a/bin/php/updatesearchindexsolr.php
+++ b/bin/php/updatesearchindexsolr.php
@@ -355,6 +355,7 @@ protected function iterate( $count = false )
      * @param int $nodeid
      * @param int $offset
      * @param int $limit
+     * @return int
      */
     protected function forkAndExecute( $nodeID, $offset, $limit )
     {
@@ -363,10 +364,34 @@ protected function forkAndExecute( $nodeID, $offset, $limit )
         // Prepare DB-based cluster handler for fork (it will re-connect DB automatically).
         eZClusterFileHandler::preFork();
 
+        $conns = false;
+        $ezpKernelContainer = ezpKernel::instance()->getServiceContainer();
+        if ( $ezpKernelContainer ) // in case we are in pure-legacy mode
+        {
+            $conns = $ezpKernelContainer->get('doctrine')->getConnections();
+            foreach( $conns as $name => $conn )
+            {
+                if ( $conn->isConnected() )
+                {
+                    $conn->close();
+                }
+                else
+                {
+                    unset( $conns[$name] );
+                }
+            }
+        }
+
         $pid = pcntl_fork();
 
         // reinitialize DB after fork
         $this->initializeDB();
+        if ( $conns )
+        {
+            foreach( $conns as $conn ) {
+                $conn->connect();
+            }
+        }
 
         if ( $pid == -1 )
         {