https://issues.apache.org/bugzilla/show_bug.cgi?id=54387
Bug ID: 54387
Summary: Having servlets with same url should at least cause
warning
Product: Tomcat 7
Version: 7.0.34
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: edsonrich...@hotmail.com
Classification: Unclassified
I've found this interesting "mal functioning" in a application where I just
copied the mapping portion of web.xml for a new created servlet, but forgot to
change de URI.
Tomcat deployed the application without any warning, but when running the
application only the last referenced servlet was working (like if the mapping
of the first has been overwritten by the last in the XML file).
I made additional tests using annotations in servlets, and the behavior of
having more than one servlet with same mapping causes random access to one or
another (I cannot determine a predictable way).
In order to prevent breaking existing applications, I would like to have just a
"big warning" in the log at startup and/or deployment of the application that
have more than one servlet mapped to same URL.
Examples of the problem:
Example 1: Web.xml
...
<servlet>
<servlet-name>PrintDacteServlet</servlet-name>
<servlet-class>br.com.simfreteV1.web.PrintDacteServlet</servlet-class>
</servlet>
<servlet>
<servlet-name>CotacaoReportServlet</servlet-name>
<servlet-class>br.com.simfreteV1.web.CotacaoReportServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>PrintDacteServlet</servlet-name>
<url-pattern>/secure/relatorios/Action</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>CotacaoReportServlet</servlet-name>
<url-pattern>/secure/relatorios/Action</url-pattern>
</servlet-mapping>
...
Example 2: annotations in java servlet files
@WebServlet(name = "PdfReportPrint", urlPatterns =
{"/secure/relatorios/doReport"})
public class PdfReportPrint extends AbstractBaseServlet {
...
@WebServlet(name = "PrintBoletoServlet", urlPatterns =
{"/secure/relatorios/doReport"})
public class PrintBoletoServlet extends HttpServlet {
...
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