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From bugzi...@apache.org
Subject [Bug 53354] New: <filter-mapping> doesn't find the @WebFilter(filterName)
Date Sun, 03 Jun 2012 19:16:25 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=53354

          Priority: P2
            Bug ID: 53354
          Assignee: dev@tomcat.apache.org
           Summary: <filter-mapping> doesn't find the
                    @WebFilter(filterName)
          Severity: normal
    Classification: Unclassified
          Reporter: balusc@gmail.com
          Hardware: PC
            Status: NEW
           Version: 7.0.27
         Component: Servlet & JSP API
           Product: Tomcat 7

As it's not possible to specify the invocation order in a @WebFilter, users are
forced to explicitly specify <filter-mapping> in web.xml. This works in
combination with a @WebFilter(filterName) in Glassfish and JBoss AS as follows:

@WebFilter(filterName="filter1")
public class Filter1 implements Filter {}

@WebFilter(filterName="filter2")
public class Filter2 implements Filter {}

with

<filter-mapping>
    <filter-name>filter1</filter-name>
    <url-pattern>/url1/*</url-pattern>
</filter-mapping>
<filter-mapping>
    <filter-name>filter2</filter-name>
    <url-pattern>/url2/*</url-pattern>
</filter-mapping>

However it fails in Tomcat 7.0.27 with the following confusing exception (the
<url-pattern> *is* been set)

Caused by: java.lang.IllegalArgumentException: Filter mapping must specify
either a <url-pattern> or a <servlet-name>
    at
org.apache.catalina.core.StandardContext.validateFilterMap(StandardContext.java:3009)
    at
org.apache.catalina.core.StandardContext.addFilterMap(StandardContext.java:2968)
    at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1207)
    at
org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1294)
    at
org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:855)
    at
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:345)
    at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
    at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5161)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    ... 7 more

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