Getting page not found error for few pages in confluence after upgrading to 8.5.5 from 7.19.17

[Bhargavi Vasa]

I have upgraded confluence manually from 7.19.17 to 8.5.5 . After upgrade few of the pages are not working and showing as page not found . When I have opened Space directory it's showing as page not found

[Mirek]

Hi @Bhargavi Vasa 

Is there anything specific on those pages? Did you perform a context reindex? Have you copied over all required configuration parameters and did not reuse setenv.sh or setenv.bat from 7.19.x? when performing the upgrade (there are some changes in 8.5)? 

[Bhargavi Vasa]

I have performed content indexing and reused the setenv.sh,server.xml.confluenceinit.properties

I have followed samee steps for 2 instances , 1 instance is working fine but for others its getting as page not found error for few sections