diff --git a/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusHttpUpgradeHandler.java b/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusHttpUpgradeHandler.java
index ae30b4c5..8454583e 100644
--- a/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusHttpUpgradeHandler.java
+++ b/containers/servlet/src/main/java/org/glassfish/tyrus/servlet/TyrusHttpUpgradeHandler.java
@@ -281,6 +281,8 @@ private void httpSessionForcedClose(int closeCode, String closeReason) {
                 connection.close(new CloseReason(CloseReason.CloseCodes.getCloseCode(closeCode), closeReason));
                 closed = true;
                 wc.close();
+                connection = null;
+                upgradeInfo = null;
             } catch (Exception e) {
                 LOGGER.log(Level.CONFIG, e.getMessage(), e);
             }
@@ -293,6 +295,8 @@ private void close(int closeCode, String closeReason) {
                 connection.close(CloseReasons.create(CloseReason.CloseCodes.getCloseCode(closeCode), closeReason));
                 closed = true;
                 wc.close();
+                connection = null;
+                upgradeInfo = null;
             } catch (Exception e) {
                 LOGGER.log(Level.CONFIG, e.getMessage(), e);
             }