Restarting ZServer

Plone Support
1

I notice the following behaviour -- if I add any add-ons, ZServer keeps restarting. I tested by adding collective.easyslideshow as well as Products.Poi. Tried various things such as pinning versions etc., but it continues to be flaky. If there are no add-ons, it works great.

2018-03-27T10:49:05 INFO ZServer HTTP server started at Tue Mar 27 10:49:05 2018
Hostname: 0.0.0.0
Port: 8080

2018-03-27T10:49:20 INFO ZServer HTTP server started at Tue Mar 27 10:49:20 2018
Hostname: 0.0.0.0
Port: 8080

2018-03-27T10:49:36 INFO ZServer HTTP server started at Tue Mar 27 10:49:36 2018
Hostname: 0.0.0.0
Port: 8080

2018-03-27T10:49:53 INFO ZServer HTTP server started at Tue Mar 27 10:49:53 2018
Hostname: 0.0.0.0
Port: 8080

2018-03-27T10:51:57 INFO ZServer HTTP server started at Tue Mar 27 10:51:57 2018
Hostname: 0.0.0.0
Port: 8080

2

This restarting means that the previous startup did not succeed. In such a case, Plone/Zope is restarted by the so called daemon manager (some number of times). This means, you have a so called "startup problem".

To analyse startup problems, start Plone/Zope in the so called "foreground" mode. You do this by using the command fg (instead of [re]start). In this mode, logging messages are sent to the console/terminal from which the process is started. They contains important hints for an understanding of the problem.

3

This is completely unrelated to my posting, please don't capture my posting. Create a new one for your issue.

4

Very sorry -- did not mean to hijack this thread.

5

(I moved this thread to a new post) @vsankar to add to Dieter's suggestion, refer to https://docs.plone.org/manage/troubleshooting/index.html and specifically https://docs.plone.org/manage/troubleshooting/basic.html#start-plone-as-foreground-debug-mode

6

Thank you very much Mr. Nguyen. I should not have posted this request, especially since I have used Plone for quite a long time. What happened was that it looked like my symptoms seemed similar to what Andreas Jung mentioned in his thread but I was wrong.

Anyways, thanks to Dieter Maurer, I took at closer look at the logs and my issue was due to not installing five.formlib properly.

Thanks again Plone Community!