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Posted to commits@harmony.apache.org by "spark shen (JIRA)" <ji...@apache.org> on 2006/08/14 08:51:15 UTC

[jira] Created: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

[classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
-----------------------------------------------------------------------------------------------------------------------------------------

                 Key: HARMONY-1163
                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: spark shen


Using the enum type below:
static enum EnumFoo {
        a, b,
}

and write the elements of it out :
ByteArrayOutputStream out = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(out);
        oos.writeObject(EnumFoo.a);
        oos.writeObject(EnumFoo.b);
        out.flush();
        out.close();

Then read them in :
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(in);
        Object result = ois.readObject();
        // an unspecified StreamCorruptedException will be thrown out here.
        result = ois.readObject();

        ois.close();

An unspecified StreamCorruptedException will be thrown out.

Best regards
Spark Shen

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[jira] Commented: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

Posted by "Alexey Petrenko (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/HARMONY-1163?page=comments#action_12427836 ] 
            
Alexey Petrenko commented on HARMONY-1163:
------------------------------------------

Here is a testcase as a class...

import java.io.*;

public class Harmony1163Test {
    public static void main(String argv[]) throws Exception {
        ByteArrayOutputStream out = new ByteArrayOutputStream(); 
        ObjectOutputStream oos = new ObjectOutputStream(out); 
        oos.writeObject(EnumFoo.a); 
        oos.writeObject(EnumFoo.b); 
        out.flush(); 
        out.close(); 

        ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()); 
        ObjectInputStream ois = new ObjectInputStream(in); 
        Object result = ois.readObject();
        System.err.println(result);
        // an unspecified StreamCorruptedException will be thrown out here. 
        result = ois.readObject(); 
        System.err.println(result);
        ois.close();
    }
    
    static enum EnumFoo { 
        a, b, 
    } 
}

> [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1163
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>
> Using the enum type below:
> static enum EnumFoo {
>         a, b,
> }
> and write the elements of it out :
> ByteArrayOutputStream out = new ByteArrayOutputStream();
>         ObjectOutputStream oos = new ObjectOutputStream(out);
>         oos.writeObject(EnumFoo.a);
>         oos.writeObject(EnumFoo.b);
>         out.flush();
>         out.close();
> Then read them in :
> ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
>         ObjectInputStream ois = new ObjectInputStream(in);
>         Object result = ois.readObject();
>         // an unspecified StreamCorruptedException will be thrown out here.
>         result = ois.readObject();
>         ois.close();
> An unspecified StreamCorruptedException will be thrown out.
> Best regards
> Spark Shen

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[jira] Commented: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

Posted by "Jimmy, Jing Lv (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/HARMONY-1163?page=comments#action_12428329 ] 
            
Jimmy, Jing Lv commented on HARMONY-1163:
-----------------------------------------

Hi,
    This is a bug of enum serialization. Seems it will meet some problems if parent classes are not enum. I will apply a patch for this soon.

> [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1163
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>         Assigned To: Paulex Yang
>
> Using the enum type below:
> static enum EnumFoo {
>         a, b,
> }
> and write the elements of it out :
> ByteArrayOutputStream out = new ByteArrayOutputStream();
>         ObjectOutputStream oos = new ObjectOutputStream(out);
>         oos.writeObject(EnumFoo.a);
>         oos.writeObject(EnumFoo.b);
>         out.flush();
>         out.close();
> Then read them in :
> ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
>         ObjectInputStream ois = new ObjectInputStream(in);
>         Object result = ois.readObject();
>         // an unspecified StreamCorruptedException will be thrown out here.
>         result = ois.readObject();
>         ois.close();
> An unspecified StreamCorruptedException will be thrown out.
> Best regards
> Spark Shen

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[jira] Updated: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

Posted by "Jimmy, Jing Lv (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-1163?page=all ]

Jimmy, Jing Lv updated HARMONY-1163:
------------------------------------

    Attachment: Harmony-1163.zip

Hi,

   Would you please try my patch? Thanks!

Best Regards,
Jimmy

> [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1163
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>         Assigned To: Paulex Yang
>         Attachments: Harmony-1163.zip
>
>
> Using the enum type below:
> static enum EnumFoo {
>         a, b,
> }
> and write the elements of it out :
> ByteArrayOutputStream out = new ByteArrayOutputStream();
>         ObjectOutputStream oos = new ObjectOutputStream(out);
>         oos.writeObject(EnumFoo.a);
>         oos.writeObject(EnumFoo.b);
>         out.flush();
>         out.close();
> Then read them in :
> ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
>         ObjectInputStream ois = new ObjectInputStream(in);
>         Object result = ois.readObject();
>         // an unspecified StreamCorruptedException will be thrown out here.
>         result = ois.readObject();
>         ois.close();
> An unspecified StreamCorruptedException will be thrown out.
> Best regards
> Spark Shen

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[jira] Resolved: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

Posted by "Paulex Yang (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-1163?page=all ]

Paulex Yang resolved HARMONY-1163.
----------------------------------

    Resolution: Fixed

Jimmy, patch applied at revision r432196, thanks a lot for this enhancement.

Spark, please verify that the problem is fully fixed as you expected.


> [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1163
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>         Assigned To: Paulex Yang
>         Attachments: Harmony-1163.zip
>
>
> Using the enum type below:
> static enum EnumFoo {
>         a, b,
> }
> and write the elements of it out :
> ByteArrayOutputStream out = new ByteArrayOutputStream();
>         ObjectOutputStream oos = new ObjectOutputStream(out);
>         oos.writeObject(EnumFoo.a);
>         oos.writeObject(EnumFoo.b);
>         out.flush();
>         out.close();
> Then read them in :
> ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
>         ObjectInputStream ois = new ObjectInputStream(in);
>         Object result = ois.readObject();
>         // an unspecified StreamCorruptedException will be thrown out here.
>         result = ois.readObject();
>         ois.close();
> An unspecified StreamCorruptedException will be thrown out.
> Best regards
> Spark Shen

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[jira] Assigned: (HARMONY-1163) [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException

Posted by "Paulex Yang (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/HARMONY-1163?page=all ]

Paulex Yang reassigned HARMONY-1163:
------------------------------------

    Assignee: Paulex Yang

> [classlib][luni] Two consecutive java.io.ObjectInputStream.readObject() of enum type will trigger an unspecified StreamCorruptedException
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1163
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1163
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: spark shen
>         Assigned To: Paulex Yang
>
> Using the enum type below:
> static enum EnumFoo {
>         a, b,
> }
> and write the elements of it out :
> ByteArrayOutputStream out = new ByteArrayOutputStream();
>         ObjectOutputStream oos = new ObjectOutputStream(out);
>         oos.writeObject(EnumFoo.a);
>         oos.writeObject(EnumFoo.b);
>         out.flush();
>         out.close();
> Then read them in :
> ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
>         ObjectInputStream ois = new ObjectInputStream(in);
>         Object result = ois.readObject();
>         // an unspecified StreamCorruptedException will be thrown out here.
>         result = ois.readObject();
>         ois.close();
> An unspecified StreamCorruptedException will be thrown out.
> Best regards
> Spark Shen

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If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa
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