-----Original Message----- From: Rémy Maucherat [mailto:r...@apache.org] Sent: Thursday, March 10, 2016 4:41 PM To: Tomcat Users List <users@tomcat.apache.org> Subject: Re: AJP protocol auto-switching default
2016-03-11 0:38 GMT+01:00 George Stanchev <gstanc...@serena.com>: > > Perhaps I am overlooking something, but the documentation for AJP > > [1] states for "protocol" > > > > <quote> > > The standard protocol value for an AJP connector is AJP/1.3 which > > uses an auto-switching mechanism to select either a Java based > > connector or an APR/native based connector. If the PATH (Windows) or > > LD_LIBRARY_PATH (on most unix systems) environment variables contain > > the Tomcat native library, the native/APR connector will be used. If > > the native library cannot be found, the Java based connector will be > used. > > </quote> > > > > The text above doesn't describe what is the auto-selected protocol > > when a Java based connector is selected. My guess is that > > "org.apache.coyote.ajp.AjpNioProtocol" will be auto-selected since > > BIO is on its way out but since the documentation doesn't explicitly > > state it, it leaves the reader to wonder. > > > > George > > > > > > > > [1] https://tomcat.apache.org/tomcat-7.0-doc/config/ajp.html > > <quote> > Tomcat 7 uses either java.io or APR as the default. > </quote> > > > The documentation states later: > > To use an explicit protocol rather than rely on the auto-switching > mechanism described above, the following values may be used: > org.apache.coyote.ajp.AjpProtocol - blocking Java connector > org.apache.coyote.ajp.AjpNioProtocol - non blocking Java connector. > org.apache.coyote.ajp.AjpAprProtocol - the APR/native connector. > Custom implementations may also be used. > > Which one of the non-Apr protocols above is "java.io"? > <quote> It is org.apache.coyote.ajp.AjpProtocol. </quote> Thanks! That means my gut feeling was wrong and the documentation should be fixed to imply the default selection. Should I fire a BZ issue?
