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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 36534] New: - Context relative URLs returned by ServletContext.getResource() for the same path are not equal
Date Wed, 07 Sep 2005 02:52:05 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=36534

           Summary: Context relative URLs returned by
                    ServletContext.getResource() for the same path are not
                    equal
           Product: Tomcat 5
           Version: Nightly Build
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: jan.luehe@sun.com


Consider the following servlet snippet:

  URL main = context.getResource("/WEB-INF/wsdl/hello_literal.wsdl");
  URL sub = new URL(main, "hello.xsd");
  URL sub1 = context.getResource("/WEB-INF/wsdl/hello.xsd");

While sub.toString().equals(sub1.toString()) is TRUE, sub.equals(sub1)
returns FALSE, where it should also return TRUE.

I noticed the reason sub.equals.(sub1) is FALSE is because their
getHost() values are different:

  sub.getHost() -> ""
  sub1.getHost() -> null

Notice that in the case of

  URL sub = new URL(main, "hello.xsd");

java.net.URLStreamHandler.parseURL() will set host to "", while in the
case of

  URL sub1 = context.getResource("/WEB-INF/wsdl/hello.xsd");

which is implemented by
org.apache.catalina.core.ApplicationContext.getResource() as follows:

  return new URL
      ("jndi", null, 0, getJNDIUri(hostName, fullPath),
      new DirContextURLStreamHandler(resources));

the host component is set to "null".

Changing

  return new URL
      ("jndi", null, 0, getJNDIUri(hostName, fullPath),
      new DirContextURLStreamHandler(resources));

to 

  return new URL
      ("jndi", "", 0, getJNDIUri(hostName, fullPath),
      new DirContextURLStreamHandler(resources));

in ApplicationContext.getResource() fixes the problem.

Unfortunately, I am having cvs problems, otherwise i would have committed
the fix myself.

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