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Posted to commits@harmony.apache.org by "Sergey Krivenko (JIRA)" <ji...@apache.org> on 2006/11/29 12:41:21 UTC

[jira] Created: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

[classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
------------------------------------------------------------------------------------------

                 Key: HARMONY-2357
                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
         Environment: WIN XP
            Reporter: Sergey Krivenko


The following test throws ClassNotFoundException while RI throws NPE:

import java.net.*;

public class test  { 

    public static void main (String[] args) {                     
        try {                                                                   
               testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
               cl.findClass("0");                                            
            } catch (Exception e) {                      
           e.printStackTrace();
        }                         
    }     
}

class testURLClassLoader extends URLClassLoader {

   public testURLClassLoader(URL[] urls) {
     super(urls);
   }
    public Class findClass(String cl) throws ClassNotFoundException {
     return super.findClass(cl);
   }
}


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[jira] Updated: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Sergey Krivenko (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Sergey Krivenko updated HARMONY-2357:
-------------------------------------

    Attachment: Harmony-2357-URLClassLoaderTest.patch

The attached is a patch to the test

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Assigned: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Tim Ellison (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Tim Ellison reassigned HARMONY-2357:
------------------------------------

    Assignee: Tim Ellison

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Updated: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Mikhail Markov updated HARMONY-2357:
------------------------------------

    Attachment: URLClassLoaderTest.patch

Tim, i'm not Sergey :-) but i'd like to comment the integration:
Code integration looks find, but test one is not:

        // Regression test for HARMONY-2357.
        URLClassLoaderExt cl = new URLClassLoaderExt(new URL[557]);
        cl.findClass("0");

This piece of code will throw NullPointerException and thus should be put into try/catch block as in Sergey's initial patch for test (see the new patch attached). This is not seen as the whole test URLClassLoaderTest is excluded for now.

Thanks!

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch, URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Commented: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/HARMONY-2357?page=comments#action_12460761 ] 
            
Mikhail Markov commented on HARMONY-2357:
-----------------------------------------

Thanks, Tim - this time everything is fine.

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch, URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Resolved: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Tim Ellison (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Tim Ellison resolved HARMONY-2357.
----------------------------------

    Resolution: Fixed

Thanks Sergey,

Patch and modified version of regression test case added to LUNI module at repo revision r489658.

Please check that this fully resolves the issue.


> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Updated: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Sergey Krivenko (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Sergey Krivenko updated HARMONY-2357:
-------------------------------------

    Attachment: Harmony-2357-URLClassLoader.patch

The attached is a patch that fixes the bug

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Attachments: Harmony-2357-URLClassLoader.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Commented: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Tim Ellison (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/HARMONY-2357?page=comments#action_12460667 ] 
            
Tim Ellison commented on HARMONY-2357:
--------------------------------------

D'oh -- thanks Mikhail!  Thank you for checking the code so carefully.

You test patch was applied to the LUNI module at repo revision r489932.

Please check that I got it right this time.


> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch, URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Updated: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Sergey Krivenko (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Sergey Krivenko updated HARMONY-2357:
-------------------------------------

    Patch Info: [Patch Available]

> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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[jira] Closed: (HARMONY-2357) [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException

Posted by "Tim Ellison (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-2357?page=all ]

Tim Ellison closed HARMONY-2357.
--------------------------------


Verified by Mikhail.


> [classlib] [luni] Method findClass() in class URLClassLoader throws ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2357
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2357
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: WIN XP
>            Reporter: Sergey Krivenko
>         Assigned To: Tim Ellison
>         Attachments: Harmony-2357-URLClassLoader.patch, Harmony-2357-URLClassLoaderTest.patch, URLClassLoaderTest.patch
>
>
> The following test throws ClassNotFoundException while RI throws NPE:
> import java.net.*;
> public class test  { 
>     public static void main (String[] args) {                     
>         try {                                                                   
>                testURLClassLoader cl = new testURLClassLoader(new URL[557]);    
>                cl.findClass("0");                                            
>             } catch (Exception e) {                      
>            e.printStackTrace();
>         }                         
>     }     
> }
> class testURLClassLoader extends URLClassLoader {
>    public testURLClassLoader(URL[] urls) {
>      super(urls);
>    }
>     public Class findClass(String cl) throws ClassNotFoundException {
>      return super.findClass(cl);
>    }
> }

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