diff --git a/lib/Doctrine/ORM/EntityManager.php b/lib/Doctrine/ORM/EntityManager.php
index d4b032bfc..99a9b15dc 100644
--- a/lib/Doctrine/ORM/EntityManager.php
+++ b/lib/Doctrine/ORM/EntityManager.php
@@ -19,7 +19,6 @@
 
 namespace Doctrine\ORM;
 
-use Exception;
 use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\DriverManager;
@@ -237,7 +236,12 @@ use Doctrine\Common\Util\ClassUtils;
             $this->conn->commit();
 
             return $return ?: true;
-        } catch (Exception $e) {
+        } catch (\Throwable $e) {
+            $this->close();
+            $this->conn->rollBack();
+
+            throw $e;
+        } catch (\Exception $e) { // PHP 5
             $this->close();
             $this->conn->rollBack();
 
diff --git a/lib/Doctrine/ORM/Query/Exec/MultiTableDeleteExecutor.php b/lib/Doctrine/ORM/Query/Exec/MultiTableDeleteExecutor.php
index aaf94d7ff..1ecd7a7b2 100644
--- a/lib/Doctrine/ORM/Query/Exec/MultiTableDeleteExecutor.php
+++ b/lib/Doctrine/ORM/Query/Exec/MultiTableDeleteExecutor.php
@@ -129,11 +129,15 @@ class MultiTableDeleteExecutor extends AbstractSqlExecutor
             foreach ($this->_sqlStatements as $sql) {
                 $conn->executeUpdate($sql);
             }
-        } catch (\Exception $exception) {
+        } catch (\Throwable $exception) {
             // FAILURE! Drop temporary table to avoid possible collisions
             $conn->executeUpdate($this->_dropTempTableSql);
 
             // Re-throw exception
+            throw $exception;
+        } catch (\Exception $exception) { // PHP 5
+            $conn->executeUpdate($this->_dropTempTableSql);
+
             throw $exception;
         }
 
diff --git a/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php b/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php
index acad25a92..296b7d553 100644
--- a/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php
+++ b/lib/Doctrine/ORM/Query/Exec/MultiTableUpdateExecutor.php
@@ -188,11 +188,15 @@ class MultiTableUpdateExecutor extends AbstractSqlExecutor
 
                 $conn->executeUpdate($statement, $paramValues, $paramTypes);
             }
-        } catch (\Exception $exception) {
+        } catch (\Throwable $exception) {
             // FAILURE! Drop temporary table to avoid possible collisions
             $conn->executeUpdate($this->_dropTempTableSql);
 
             // Re-throw exception
+            throw $exception;
+        } catch (\Exception $exception) { // PHP 5
+            $conn->executeUpdate($this->_dropTempTableSql);
+
             throw $exception;
         }
 
diff --git a/lib/Doctrine/ORM/Tools/Console/Command/EnsureProductionSettingsCommand.php b/lib/Doctrine/ORM/Tools/Console/Command/EnsureProductionSettingsCommand.php
index 499565a01..e628b7049 100644
--- a/lib/Doctrine/ORM/Tools/Console/Command/EnsureProductionSettingsCommand.php
+++ b/lib/Doctrine/ORM/Tools/Console/Command/EnsureProductionSettingsCommand.php
@@ -72,7 +72,11 @@ EOT
             if ($input->getOption('complete') !== null) {
                 $em->getConnection()->connect();
             }
-        } catch (\Exception $e) {
+        } catch (\Throwable $e) {
+            $output->writeln('<error>' . $e->getMessage() . '</error>');
+
+            return 1;
+        } catch (\Exception $e) { // PHP 5
             $output->writeln('<error>' . $e->getMessage() . '</error>');
 
             return 1;
diff --git a/lib/Doctrine/ORM/Tools/SchemaTool.php b/lib/Doctrine/ORM/Tools/SchemaTool.php
index 007ac85a8..e84a9c53d 100644
--- a/lib/Doctrine/ORM/Tools/SchemaTool.php
+++ b/lib/Doctrine/ORM/Tools/SchemaTool.php
@@ -92,7 +92,9 @@ class SchemaTool
         foreach ($createSchemaSql as $sql) {
             try {
                 $conn->executeQuery($sql);
-            } catch (\Exception $e) {
+            } catch (\Throwable $e) {
+                throw ToolsException::schemaToolFailure($sql, $e);
+            } catch (\Exception $e) { // PHP 5
                 throw ToolsException::schemaToolFailure($sql, $e);
             }
         }
@@ -742,7 +744,9 @@ class SchemaTool
         foreach ($dropSchemaSql as $sql) {
             try {
                 $conn->executeQuery($sql);
-            } catch (\Exception $e) {
+            } catch (\Throwable $e) {
+
+            } catch (\Exception $e) { // PHP 5
 
             }
         }
diff --git a/lib/Doctrine/ORM/Tools/ToolsException.php b/lib/Doctrine/ORM/Tools/ToolsException.php
index 0a4616404..ed6331118 100644
--- a/lib/Doctrine/ORM/Tools/ToolsException.php
+++ b/lib/Doctrine/ORM/Tools/ToolsException.php
@@ -30,11 +30,11 @@ class ToolsException extends ORMException
 {
     /**
      * @param string     $sql
-     * @param \Exception $e
+     * @param \Exception $e   The original exception, or duck-typed Throwable in PHP 7.
      *
      * @return ToolsException
      */
-    public static function schemaToolFailure($sql, \Exception $e)
+    public static function schemaToolFailure($sql, $e)
     {
         return new self("Schema-Tool failed with Error '" . $e->getMessage() . "' while executing DDL: " . $sql, "0", $e);
     }
diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index 0edd756f0..c5598cd4b 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -44,6 +44,7 @@ use Doctrine\ORM\Persisters\Entity\SingleTablePersister;
 use Doctrine\ORM\Proxy\Proxy;
 use Doctrine\ORM\Utility\IdentifierFlattener;
 use Exception;
+use Throwable;
 use InvalidArgumentException;
 use UnexpectedValueException;
 
@@ -411,7 +412,14 @@ class UnitOfWork implements PropertyChangedListener
             }
 
             $conn->commit();
-        } catch (Exception $e) {
+        } catch (\Throwable $e) {
+            $this->em->close();
+            $conn->rollBack();
+
+            $this->afterTransactionRolledBack();
+
+            throw $e;
+        } catch (\Exception $e) { // PHP 5
             $this->em->close();
             $conn->rollBack();