https://bz.apache.org/bugzilla/show_bug.cgi?id=59966
Bug ID: 59966
Summary: Wrong configured error-page elements in deployment
descriptor will become the fallback error-page
Product: Tomcat 8
Version: 8.5.x-trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: saschakarc...@gmx.de
Example scenario:
web.xml contains the following block:
...
<error-page>
<error-code>java.lang.Throwable</error-code>
<location>/unexpected.jsp</location>
</error-page>
...
This block wrongly contains "error-type" instead of "error-code".
When this application is deployed the error-page is registered as the default
error page because org.apache.tomcat.util.descriptor.web.ErrorPage#setErrorCode
catches NumberFormatException and assumes errorCode 0.
Then later when a request to a servlet is made which uses the sendError (e.g.
with 404) method the page "unexpected.jsp" is displayed instead of the default
404 page.
It's also related to org.apache.catalina.core.StandardHostValve#status(Request
request, Response response) where it says:
...
ErrorPage errorPage = context.findErrorPage(statusCode);
if (errorPage == null) {
// Look for a default error page
errorPage = context.findErrorPage(0);
}
...
"context.findErrorPage(0)" returns "/unexpected.jsp" although it should return
null.
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