From 44e93526a1d12140e0c5078f7fb5895351bf6ae0 Mon Sep 17 00:00:00 2001
From: Vincent Latombe <vincent@latombe.net>
Date: Fri, 23 Oct 2015 15:03:54 +0200
Subject: [PATCH] provider/aws: ignore association not exist on route table
 destroy [GH-3615]

---
 builtin/providers/aws/resource_aws_route_table.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/builtin/providers/aws/resource_aws_route_table.go b/builtin/providers/aws/resource_aws_route_table.go
index 5f5660f19e..d5b76f7153 100644
--- a/builtin/providers/aws/resource_aws_route_table.go
+++ b/builtin/providers/aws/resource_aws_route_table.go
@@ -325,6 +325,14 @@ func resourceAwsRouteTableDelete(d *schema.ResourceData, meta interface{}) error
 		_, err := conn.DisassociateRouteTable(&ec2.DisassociateRouteTableInput{
 			AssociationId: a.RouteTableAssociationId,
 		})
+		if err != nil {
+			// First check if the association ID is not found. If this
+			// is the case, then it was already disassociated somehow,
+			// and that is okay.
+			if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "InvalidAssociationID.NotFound" {
+				err = nil
+			}
+		}
 		if err != nil {
 			return err
 		}