title: (70007)The timeout specified has expired: proxy: error reading status line from remote server
body: <p>I have this error in my apache acces log. </p>
  
  <p>I work with apache 2.2 and tomcat 7. In the access file i see that apache send request to tomcat but tomcat can't treat them all. And when the error occures, i must restart tomcat to make my application work. </p>
  
  <p>I have 2 j2ee applications application on tomcat. That application use connexion to posgres database via jdbc connexion pool. I see in my application log their is at least 4 free connexions. So i don't think there  is trouble with database.</p>
  
  <p>Does someone know what could  cause this error ? Thank you in advence ! </p>