<div class="zcontentRow"><p style="font-size:14px;font-family:arial;">This is the forever loop that it it running in the script</p><p style="font-size:14px;font-family:arial;"><br></p><p style="font-size:14px;font-family:arial;">for {</p><p style="font-size:14px;font-family:arial;">  nginx -s reload //without the port</p><p style="font-size:14px;font-family:arial;">  nginx -s reload //with the port</p><p style="font-size:14px;font-family:arial;">}</p><p style="font-size:14px;font-family:arial;"><br></p><p style="font-size:14px;font-family:arial;">I found there was a transient that both the master process and the newly forked worker were listening the same port, I am not sure if this mgiht cause the "bind" error.</p><p style="font-size:14px;font-family:arial;">Another fact is that the port is listening after the "bind" error was occurring, so this was not due to the "delete" was not completed that makes the "add" not success.</p><p style="font-size:14px;font-family:arial;">I am wondering how this "bind" error happens?</p><p style="font-size:14px;font-family:arial;"><br></p><p style="font-size:14px;font-family:arial;">Br,</p><p style="font-size:14px;font-family:arial;">Allen</p><p style="font-size:14px;font-family:arial;"><br></p><p style="font-size:14px;font-family:arial;"><br></p><p style="font-size:14px;font-family:arial;"><br></p><div class="zMailSign" unonamech="何海龙10164561" unonameen="hehailong10164561"><div class="zMailSignContent"><p style="font-family: 宋体; font-size:14px; line-height: normal; widows: 1;"><br><br></p><span style="line-height: normal; widows: 1; font-size:14px;;color:#58595b;font-size:10px"></span></div></div><div class="zMailFrom"></div></div>