Track requests and check for attribute so at least we get the right error:penguin2

    GeneNetwork penguin2:genenetwork2:2.11-rc2-penguin2-0bca65695 http://gn2-test3.genenetwork.org/ ( 1:31PM UTC Apr 28, 2020)
    MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error. (error)
      File "/home/wrk/opt/genenetwork2/lib/python2.7/site-packages/redis/connection.py", line 717, in read_response

4 files changed, 18 insertions, 9 deletions

diff --git a/wqflask/wqflask/templates/base.html b/wqflask/wqflask/templates/base.html
index 487cf3f2..abe14831 100644
--- a/wqflask/wqflask/templates/base.html
+++ b/wqflask/wqflask/templates/base.html
@@ -72,6 +72,7 @@
                                   <li><a href="httP://datafiles.genenetwork.org">Interplanetary File System</a></li>
                                 </ul>
                         </li>
+                        {% if g.user_session %}
                         <li class="">
                             <a href="/collections/list">Collections
                                 <span class="badge badge-info">{{ g.user_session.num_collections }}</span>
@@ -93,6 +94,7 @@
                             <a id="login_in" href="/n/login">Sign in</a>
                             {% endif %}
                         </li>
+                        {% endif %}
                         <!--
                         <li style="margin-left: 20px;">
                             <a href="http://gn2-staging.genenetwork.org" style="font-weight: bold;" >Use Staging Branch</a>
diff --git a/wqflask/wqflask/user_manager.py b/wqflask/wqflask/user_manager.py
index 1b27d7cb..ce76e0e8 100644
--- a/wqflask/wqflask/user_manager.py
+++ b/wqflask/wqflask/user_manager.py
@@ -351,7 +351,8 @@ class UserSession(object):
         logger.debug("At end of delete_session")
 
 @app.before_request
-def before_request():
+def get_cookie():
+    logger.info("@app.before_request get cookie")
     g.user_session = UserSession()
     g.cookie_session = AnonUser()
 
diff --git a/wqflask/wqflask/user_session.py b/wqflask/wqflask/user_session.py
index fd1779fb..4c2305ba 100644
--- a/wqflask/wqflask/user_session.py
+++ b/wqflask/wqflask/user_session.py
@@ -25,6 +25,19 @@ logger = getLogger(__name__)
 THREE_DAYS = 60 * 60 * 24 * 3
 THIRTY_DAYS = 60 * 60 * 24 * 30
 
+@app.before_request
+def get_user_session():
+    logger.info("@app.before_request get_session")
+    g.user_session = UserSession()
+
+@app.after_request
+def set_user_session(response):
+    if hasattr(g, 'user_session'):
+        if not request.cookies.get(g.user_session.cookie_name):
+            response.set_cookie(g.user_session.cookie_name, g.user_session.cookie)
+    return response
+
+
 def verify_cookie(cookie):
     the_uuid, separator, the_signature = cookie.partition(':')
     assert len(the_uuid) == 36, "Is session_id a uuid?"
@@ -280,12 +293,4 @@ class UserSession(object):
         Redis.delete(self.redis_key)
         self.logged_in = False
 
-@app.before_request
-def before_request():
-    g.user_session = UserSession()
 
-@app.after_request
-def set_cookie(response):
-    if not request.cookies.get(g.user_session.cookie_name):
-        response.set_cookie(g.user_session.cookie_name, g.user_session.cookie)
-    return response
\ No newline at end of file
diff --git a/wqflask/wqflask/views.py b/wqflask/wqflask/views.py
index 76857650..ef295b5b 100644
--- a/wqflask/wqflask/views.py
+++ b/wqflask/wqflask/views.py
@@ -80,6 +80,7 @@ logger = utility.logger.getLogger(__name__ )
 
 @app.before_request
 def connect_db():
+    logger.info("@app.before_request connect_db")
     db = getattr(g, '_database', None)
     if db is None:
         logger.debug("Get new database connector")