Problem resolved. Thank you. On Wed, Jun 24, 2020, at 12:46 PM, Konstantin Kolinko wrote: > ср, 24 июн. 2020 г. в 19:25, <tomcat-s...@stiprus.com>: > > > > I have a web application which is failing in RestEasy initialization with > > an NPE. It worked for many years until I added a large number of jar > > dependencies because of a new development effort. I've debugged the code by > > stepping through the Tomcat source to the point I've found where it is > > failing. It seems to be a Tomcat bug but of course I'm not convinced since > > it is highly more likely it is my problem. > > > > Tomcat version is 9.0.36, though the failure happens in the Tomcat 8 > > versions I've tried as well. > > > > The NPE is triggered by a single "return null" statement in > > org.apache.catalina.core.ApplicationContext line 933. Below is a code > > snippet of where the return statement is. In my failing scenario the > > wrapper is NOT null and isOverridable is already returning false. So it > > falls through to return null. > > > > So here is my question: Why in the world in the code below does the return > > null statement even exist? It seems like the return null at line 933 is the > > precondition the code is trying to establish. > > This method is documented in the specification of Servlet API (in > their javadoc) to return null if such servlet has already been > registered. > See Java EE 8 javadoc > https://javaee.github.io/javaee-spec/javadocs/javax/servlet/ServletContext.html#addServlet-java.lang.String-java.lang.Class- > > (Following the links from Specifications page > https://cwiki.apache.org/confluence/display/TOMCAT/Specifications > > K.Kolinko > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
--------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
