Zero Messages in Thread when using pageNumber and pageSize :(

I have the same issue. I have 1200 threads in my board. The first query with page=1 and page_size=1000 works perfectly fine. The next query with page=2 gives error. The <linear> tag data is blank or missing. Please help !!!

I looked at this again and believe I found the issue.  If you look at the <linear> node in the response for any of the pages after page 1, you see that it's blank (<linear/>).  It looks like the logic is implemented in such a way that it's paging through both the threads and the replies to those threads (which show up in the <linear> node).  So when you specify page=2, it is returning you the second page of results for threads but is also returning you the second page of results for the replies that go in the linear tag -- for many threads, there is not a second page of replies and so the <linear> tag shows up as blank.

To test this out, create a new thread in the community, then do a threads/recent call with page=2&page_size=1 -- you'll see a blank <linear> tag in the results.  Now post a reply to that thread and do the threads/recent call again with page=2&page_size=1.  Assuming no one else has posted a new thread in the meantime, you should get the same thread back, this time with the reply you gave in the <linear> tag.

This is strange behavior to say the least and there is a bug filed for it.

You should be able to work around this problem by using either the topics/recent call then doing a /threads/id/<thread id>/messages/linear call for each thread returned in the results (you could combine the 2 calls in an endpoint if needed).

-Doug