Your Max Processes Limit is currently 31202. It should be set to 65000 to avoid operational disruption.

Execute the startup specification after entering the bin directory

./solr start

report errors

What should I do?

View system limits

 ulimit -a

Now you need to change the system limit and log in to the root account

Locate the file/etc/security/limits At the end of conf, add the following two lines [added by default in some systems]

* soft nofile 65535
* hard nofile 65535

Then locate the file/etc/security/limits d/20-nproc.conf

Change 4096 to 65535

DebugAH