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From "Svetlana Samoilenko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-71) java.net.URLConnection.setUseCaches throws unspecified IllegalAccessError
Date Thu, 02 Feb 2006 11:30:03 GMT
 java.net.URLConnection.setUseCaches throws unspecified IllegalAccessError
--------------------------------------------------------------------------

         Key: HARMONY-71
         URL: http://issues.apache.org/jira/browse/HARMONY-71
     Project: Harmony
        Type: Bug
  Components: Classlib  
    Reporter: Svetlana Samoilenko


According to j2se 1.4.2 specification method java.net.URLConnection.setUseCaches(boolean)
throws IllegalStateException, if already connected. Harmony throws java.lang.IllegalAccessError
instead, that contradicts the specification.

Code to reproduce: 
import java.io.IOException; 
import java.net.*; 

public class test2 { 
    public static void main(String[] args) {  
        HttpURLConnection u=null; 
        try { 
            u=(HttpURLConnection)(new URL("http://intel.com").openConnection());
            u.connect();
        } catch (MalformedURLException e) { 
            System.out.println("unexpected MalformedURLException"+e);               
        } catch (IOException f) { 
            System.out.println("unexpected IOException"+f);               
        }  
        try {            
           u.setUseCaches(true); 
        } catch (IllegalStateException e) { 
           System.out.println("OK. Expected IllegalStateException");   
           e.printStackTrace();
        }; 
    } 
}

Steps to Reproduce: 
1. Build Harmony (check-out on 2006-01-30) j2se subset as described in README.txt. 
2. Compile test2.java using BEA 1.4 javac 
> javac -d . test2.java 
3. Run java using compatible VM (J9) 
> java -showversion test2 

Output: 
C:\tmp>C:\jrockit-j2sdk1.4.2_04\bin\java.exe -showversion test2 
java version "1.4.2_04" 
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05) 
BEA WebLogic JRockit(TM) 1.4.2_04 JVM (build ari-31788-20040616-1132-win-ia32, Native Threads,
GC strategy: parallel) 
OK. Expected IllegalStateException
java.lang.IllegalStateException: Already connected
        at java.net.URLConnection.setUseCaches(Z)V(URLConnection.java:828) 
        at test2.main([Ljava.lang.String;)V(test2.java:17) 

C:\tmp>C:\harmony\trunk\deploy\jre\bin\java -showversion test2 
(c) Copyright 1991, 2005 The Apache Software Foundation or its licensors, as applicable. 
java.lang.IllegalAccessError: Connection already established
        at java.net.URLConnection.setUseCaches(URLConnection.java:923) 
        at test2.main(test2.java:17) 

Suggested junit test case:
------------------------ URLConnectionTest.java -------------------------------------------------

import java.io.IOException; 
import java.net.*;
import junit.framework.*; 

public class URLConnectionTest extends TestCase { 
    public static void main(String[] args) { 
        junit.textui.TestRunner.run(URLConnectionTest.class); 
    } 
    public void test_setUseCaches () { 
        HttpURLConnection u=null; 
        try { 
            u=(HttpURLConnection)(new URL("http://intel.com").openConnection());
            u.connect();
        } catch (MalformedURLException e) { 
            fail("unexpected MalformedURLException"+e);               
        } catch (IOException f) { 
            fail("unexpected IOException"+f);               
        }  
        try {            
           u.setUseCaches(true); 
        } catch (IllegalStateException e) { //expected
        }; 
   } 
}



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