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From "Masayoshi Yamashita (JIRA)" <j...@apache.org>
Subject [jira] Created: (GERONIMO-4785) "useCaches" property of JarFileUrlConnection doesn't work
Date Wed, 05 Aug 2009 13:10:15 GMT
"useCaches" property of JarFileUrlConnection doesn't work
---------------------------------------------------------

                 Key: GERONIMO-4785
                 URL: https://issues.apache.org/jira/browse/GERONIMO-4785
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: kernel
    Affects Versions: 2.1.4
         Environment: Sun JDK 1.5.0.19
            Reporter: Masayoshi Yamashita


When executing the following code on Geronimo server,

=====================================================================
ClassLoader loader = Thread.currentThread().getContextClassLoader();
URL url = loader.getResource("javax/servlet/http/");

JarURLConnection conn1 = (JarURLConnection) url.openConnection();
conn1.setUseCaches(false);
JarFile jarFile1 = conn1.getJarFile();

JarURLConnection conn2 = (JarURLConnection) url.openConnection();
conn2.setUseCaches(false);
JarFile jarFile2 = conn2.getJarFile();

System.out.println(jarFile1);
System.out.println(jarFile2);
=====================================================================

there is a problem that "jarFile1" and "jarFile2" are same instances.

Also, it is described in the javadoc of "useCaches" field as follows.
"If false, the protocol must always try to get a fresh copy of the object."

"org.apache.geronimo.kernel.classloader.JarFileUrlConnection" must return a different instance,
when "useCaches" is false.

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