0005553: Deserialization fails if there are fields of the same name in the class and its superclass.

5553

minor

always

10-11-13 03:30

08-14-23 08:01

Reporter:

mbutov

Platform:

Assigned To:

OS:

Priority:

normal

OS Version:

Status:

new

Product Version:

4.0.28

Product Build:

Resolution:

open

Projection:

none

ETA:

none

Fixed in Version:

Summary:

0005553: Deserialization fails if there are fields of the same name in the class and its superclass.

Description:

TEST

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Serializable;

import org.junit.Test;

import com.caucho.hessian.io.Hessian2Input;
import com.caucho.hessian.io.Hessian2Output;

public class HessianTest {

    static class A implements Serializable {

        private String x = "x";

        @Override
        public String toString() {
            return "A.x=" + x;
        }
    }

    static class B extends A {

        private int x = 1;

        @Override
        public String toString() {
            return super.toString() + ",B.x='" + x;
        }
    }

    @Test
    public void testSameFieldName() throws Throwable {

        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

        B b1 = new B();
        System.out.println(b1);

        Hessian2Output output = new Hessian2Output(buffer);
        output.writeObject(b1);
        output.flush();

        Hessian2Input input = new Hessian2Input(new ByteArrayInputStream(buffer.toByteArray()));
        B b2 = (B) input.readObject();
        System.out.println(b2);

    }

}

OUTPUT

com.caucho.hessian.io.HessianFieldException: org.proxyremoting.HessianTest$B.x: expected integer at 0x1 java.lang.String (x)
  [C\x1forg.proxyremoting.HessianTest$B\x92\x01x\x01x`\x91] \x01 [x]
    at com.caucho.hessian.io.UnsafeDeserializer.logDeserializeError(UnsafeDeserializer.java:786)
    at com.caucho.hessian.io.UnsafeDeserializer$IntFieldDeserializer.deserialize(UnsafeDeserializer.java:565)
    at com.caucho.hessian.io.UnsafeDeserializer.readObject(UnsafeDeserializer.java:239)
    at com.caucho.hessian.io.UnsafeDeserializer.readObject(UnsafeDeserializer.java:150)
    at com.caucho.hessian.io.Hessian2Input.readObjectInstance(Hessian2Input.java:2219)
    at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2140)
    at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2124)
    at org.proxyremoting.HessianTest.testSameFieldName(HessianTest.java:50)
Caused by: com.caucho.hessian.io.HessianProtocolException: expected integer at 0x1 java.lang.String (x)
  [C\x1forg.proxyremoting.HessianTest$B\x92\x01x\x01x`\x91] \x01 [x]
    at com.caucho.hessian.io.Hessian2Input.error(Hessian2Input.java:2943)
    at com.caucho.hessian.io.Hessian2Input.expect(Hessian2Input.java:2880)
    at com.caucho.hessian.io.Hessian2Input.readInt(Hessian2Input.java:825)
    at com.caucho.hessian.io.UnsafeDeserializer$IntFieldDeserializer.deserialize(UnsafeDeserializer.java:561)
    ... 32 more

Steps To Reproduce:

Additional Information:

Relationships

Attached Files:

Mantis - Hessian
Viewing Issue Advanced Details

ID:	Category:	Severity:	Reproducibility:	Date Submitted:	Last Update:
5553		minor	always	10-11-13 03:30	08-14-23 08:01

Reporter:	mbutov	Platform:
Assigned To:		OS:
Priority:	normal	OS Version:
Status:	new	Product Version:	4.0.28
Product Build:		Resolution:	open
Projection:	none
ETA:	none	Fixed in Version:

Summary:	0005553: Deserialization fails if there are fields of the same name in the class and its superclass.
Description:	TEST import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.Serializable; import org.junit.Test; import com.caucho.hessian.io.Hessian2Input; import com.caucho.hessian.io.Hessian2Output; public class HessianTest { static class A implements Serializable { private String x = "x"; @Override public String toString() { return "A.x=" + x; } } static class B extends A { private int x = 1; @Override public String toString() { return super.toString() + ",B.x='" + x; } } @Test public void testSameFieldName() throws Throwable { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); B b1 = new B(); System.out.println(b1); Hessian2Output output = new Hessian2Output(buffer); output.writeObject(b1); output.flush(); Hessian2Input input = new Hessian2Input(new ByteArrayInputStream(buffer.toByteArray())); B b2 = (B) input.readObject(); System.out.println(b2); } } OUTPUT com.caucho.hessian.io.HessianFieldException: org.proxyremoting.HessianTest$B.x: expected integer at 0x1 java.lang.String (x) [C\x1forg.proxyremoting.HessianTest$B\x92\x01x\x01x`\x91] \x01 [x] at com.caucho.hessian.io.UnsafeDeserializer.logDeserializeError(UnsafeDeserializer.java:786) at com.caucho.hessian.io.UnsafeDeserializer$IntFieldDeserializer.deserialize(UnsafeDeserializer.java:565) at com.caucho.hessian.io.UnsafeDeserializer.readObject(UnsafeDeserializer.java:239) at com.caucho.hessian.io.UnsafeDeserializer.readObject(UnsafeDeserializer.java:150) at com.caucho.hessian.io.Hessian2Input.readObjectInstance(Hessian2Input.java:2219) at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2140) at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2124) at org.proxyremoting.HessianTest.testSameFieldName(HessianTest.java:50) Caused by: com.caucho.hessian.io.HessianProtocolException: expected integer at 0x1 java.lang.String (x) [C\x1forg.proxyremoting.HessianTest$B\x92\x01x\x01x`\x91] \x01 [x] at com.caucho.hessian.io.Hessian2Input.error(Hessian2Input.java:2943) at com.caucho.hessian.io.Hessian2Input.expect(Hessian2Input.java:2880) at com.caucho.hessian.io.Hessian2Input.readInt(Hessian2Input.java:825) at com.caucho.hessian.io.UnsafeDeserializer$IntFieldDeserializer.deserialize(UnsafeDeserializer.java:561) ... 32 more
Steps To Reproduce:
Additional Information:
Relationships
Attached Files: