Murtadha Hubail has uploaded this change for review. ( 
https://asterix-gerrit.ics.uci.edu/3389


Change subject: [NO ISSUE][OTH] Ensure HttpServer Channel is Initialized
......................................................................

[NO ISSUE][OTH] Ensure HttpServer Channel is Initialized

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Ensure the HttpServer channel is initialized when stopping
  the server to avoid NPE.

Change-Id: I5b7403e80f6118f99be46d166c6cfbee8d4305ac
---
M 
hyracks-fullstack/hyracks/hyracks-http/src/main/java/org/apache/hyracks/http/server/HttpServer.java
1 file changed, 4 insertions(+), 2 deletions(-)



  git pull ssh://asterix-gerrit.ics.uci.edu:29418/asterixdb 
refs/changes/89/3389/1

diff --git 
a/hyracks-fullstack/hyracks/hyracks-http/src/main/java/org/apache/hyracks/http/server/HttpServer.java
 
b/hyracks-fullstack/hyracks/hyracks-http/src/main/java/org/apache/hyracks/http/server/HttpServer.java
index 152f6c7..d9902da 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-http/src/main/java/org/apache/hyracks/http/server/HttpServer.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-http/src/main/java/org/apache/hyracks/http/server/HttpServer.java
@@ -333,8 +333,10 @@
         } catch (Exception e) {
             LOGGER.log(Level.ERROR, "Error while shutting down http server 
executor", e);
         }
-        channel.close();
-        channel.closeFuture().sync();
+        if (channel != null) {
+            channel.close();
+            channel.closeFuture().sync();
+        }
     }

     public IServlet getServlet(FullHttpRequest request) {

--
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Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I5b7403e80f6118f99be46d166c6cfbee8d4305ac
Gerrit-Change-Number: 3389
Gerrit-PatchSet: 1
Gerrit-Owner: Murtadha Hubail <[email protected]>

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