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--- litespeed_wiki:cloudlinux:enable_passenger [2018/02/26 21:13]
Jackson Zhang
+++ litespeed_wiki:cloudlinux:enable_passenger [2018/09/17 20:15]
Jackson Zhang [Trouble shooting]
@@ Line 1: / Line 1: @@
-===== How to enable CloudLinux Ruby/Python selector (alt-mod_passenger) for LSWS =====
+===== How to Enable CloudLinux Python and Ruby Selector (alt-mod_passenger) for LSWS =====
-To enable python or Ruby on a shared hosting environment instead of dedicated VPS environment, CloudLinux Python and Ruby selector are recommended. If it is not for shared hosting environment, you can refer our archive section for LSWS native setup.
+To enable Python or Ruby on a shared hosting environment instead of a dedicated VPS environment, CloudLinux Python and Ruby Selector is recommended. If it is not for a shared hosting environment, you can refer to [[litespeed_wiki:other-ext-apps#archive|our archive section]] for LSWS native setup.
-The Python Selector and the Ruby Selector allow end users to select the specific version of Python or Ruby they need.
+The Python and Ruby Selector allows end users to select the specific version of Python or Ruby they need.
 ===== Requirements =====
@@ Line 8: / Line 8: @@
   * CloudLinux
-===== Steps to enable ruby/python selector =====
+===== Steps to Enable Python and Ruby Selector =====
-  - Make sure ruby/python selector works properly under Apache (follow [[https://docs.cloudlinux.com/index.html?python_and_ruby_selector.html|CloudLinux instruction]] to install and configurate properly )
+  - Make sure Python and Ruby Selector works properly under Apache (follow [[https://docs.cloudlinux.com/index.html?python_and_ruby_selector.html|CloudLinux instructions]] to install and configure).
-  - Test Ruby or Python application with Apache and ensure it is running ok.
+  - Test a Ruby or Python application with Apache and ensure it is running OK.
-  - Run script to install required ruby/python lsapi modules <code>/usr/local/lsws/admin/misc/enable_ruby_python_selector.sh</code>
+  - Run script to install required ruby/python lsapi modules: <code>/usr/local/lsws/admin/misc/enable_ruby_python_selector.sh</code>
   - Switch to LiteSpeed and try a ruby/python app
+===== Trouble shooting =====
+If you application does not work properly, you can try two simple steps to check if application has been setup properly.
+  - If possible, switch back to Apache temporarily to verify if the application works properly or not.
+  - check if any error logged into <APP_ROOT_DIR>/stderr.log, fix the error and try again.
+For example:
+Python application writes error to stderr.log under the application root directory.
+/home/user1/dingodossier/mbntp/stderr.log has
+Traceback (most recent call last):
+  File "/home/user1/dingodossier/mbntp/passenger_wsgi.py", line 8, in <module>
+    wsgi = imp.load_source('wsgi', 'mbntp/wsgi.py')
+  File "/home/user1/virtualenv/dingodossier_mbntp/3.4/lib64/python3.4/imp.py", line 171, in load_source
+    module = methods.load()
+  File "<frozen importlib._bootstrap>", line 1220, in load
+  File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
+  File "<frozen importlib._bootstrap>", line 1129, in _exec
+  File "<frozen importlib._bootstrap>", line 1471, in exec_module
+  File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
+  File "mbntp/wsgi.py", line 10, in <module>
+    from django.core.wsgi import get_wsgi_application
+ImportError: No module named 'django'
+It indicates Django was not properly set up for this application. You should try it under Apache to make sure it is working.