Each expert,

I in deployment, each version is as follows:
TOMCAT: 5
JAVA: JDK1.6
SQL SERVER, SQL SERVER 2018

After beginning start TOMCAT, pay attention to The prompt: The Apache TOMCAT Native library which allows optimal performance in production environments was not found...
Find the solution is: in the online download tcnative - 1. The DLL, and into the Tomcat installation directory \ Bin, after restart Tomcat, not the tip, but can't open the WEB, tip: unable to display this page, I made a test again, will be tcnative - 1. DLL removed, and then restart the TOCAT, although there are more than an error, but the WEB login interface can be opened, what reason is this excuse me? Thank you very much!