Incomplete serialization implementation in
AccessibilityProfile$SerializableAccessibilityProfile
------------------------------------------------------------------------------------------------
Key: TRINIDAD-2155
URL: https://issues.apache.org/jira/browse/TRINIDAD-2155
Project: MyFaces Trinidad
Issue Type: Bug
Components: Archetype
Affects Versions: 2.0.2-core
Reporter: Prakash Udupa
Issue:
--------
Regarding the serializable inner class of AccessibilityProfile...
private static final class SerializableAccessibilityProfile extends
AccessibilityProfile implements Serializable
The super class no-arg constructor has private access, this will lead to the
following error...
Exception in thread "main" java.io.InvalidClassException:
org.apache.myfaces.trinidad.context.AccessibilityProfile$SerializableAccessibilityProfile;
org.apache.myfaces.trinidad.context.AccessibilityProfile$SerializableAccessibilityProfile;
no valid constructor
at
java.io.ObjectStreamClass.checkDeserialize(ObjectStreamClass.java:713)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1733)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at client.AccSerialTest.main(AccSerialTest.java:22)
Caused by: java.io.InvalidClassException:
org.apache.myfaces.trinidad.context.AccessibilityProfile$SerializableAccessibilityProfile;
no valid constructor
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:471)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:310)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at client.AccSerialTest.main(AccSerialTest.java:19)
Testcase:
--------------
package client;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.apache.myfaces.trinidad.context.AccessibilityProfile;
public class AccSerialTest
{
public static void main(String[] args)
throws Exception
{
System.out.println("SERIALIZING");
AccessibilityProfile acc = AccessibilityProfile.getDefaultInstance();
ObjectOutputStream os = new ObjectOutputStream(new
FileOutputStream("c:\\Temp\\serial.txt"));
os.writeObject(acc);
System.out.println("DE-SERIALIZING");
ObjectInputStream is = new ObjectInputStream(new
FileInputStream("c:\\Temp\\serial.txt"));
is.readObject();
}
}
Fix:
-----
Make the constructor protected. Patch attached.
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