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Posted to commits@harmony.apache.org by "Vladimir Ivanov (JIRA)" <ji...@apache.org> on 2006/07/12 08:12:29 UTC
[jira] Created: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
[classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
---------------------------------------------------------------------------------
Key: HARMONY-846
URL: http://issues.apache.org/jira/browse/HARMONY-846
Project: Harmony
Type: Bug
Components: Classlib
Reporter: Vladimir Ivanov
The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
==================== test.java =======================
import java.io.*;
public class test {
public static void main (String[] args) {
try {
System.out.println("readObject = " + new testObjectInputStream().readObject());
} catch (Exception e) {
e.printStackTrace();
}
try {
System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
} catch (Exception e) {
e.printStackTrace();
}
try {
System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
} catch (Exception e) {
e.printStackTrace();
}
}
}
class testObjectInputStream extends ObjectInputStream {
public testObjectInputStream() throws IOException{
super();
}
public Object readObjectOverride() throws IOException, ClassNotFoundException{
return super.readObjectOverride();
}
public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
return super.readClassDescriptor();
}
}
==================================================
Output:
C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
readObject = null
readObjectOverride = null
java.lang.NullPointerException
at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
at testObjectInputStream.readClassDescriptor(test.java:31)
at test.main(test.java:16)
C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
java version 1.5 (subset)
(c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
java.io.IOException
at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
at testObjectInputStream.readObjectOverride(test.java:28)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
at test.main(test.java:6)
java.io.IOException
at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
at testObjectInputStream.readObjectOverride(test.java:28)
at test.main(test.java:11)
java.io.NotActiveException
at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
at testObjectInputStream.readClassDescriptor(test.java:31)
at test.main(test.java:16)
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[jira] Updated: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
Posted by "Vladimir Ivanov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=all ]
Vladimir Ivanov updated HARMONY-846:
------------------------------------
Attachment: ObjectInputStreamTest.patch
unit test for issues 844 and 846
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Attachments: ObjectInputStreamTest.patch
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Commented: (HARMONY-846) [classlib][io] unexpected
exceptions for ObjectInputStream().read
Posted by "Vladimir Ivanov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=comments#action_12420526 ]
Vladimir Ivanov commented on HARMONY-846:
-----------------------------------------
Note, NotActiveException is subclass of IOException so case 2) should not be fixed.
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Attachments: ObjectInputStreamTest.patch
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Assigned: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
Posted by "Mikhail Loenko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=all ]
Mikhail Loenko reassigned HARMONY-846:
--------------------------------------
Assignee: Mikhail Loenko
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Assigned To: Mikhail Loenko
> Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Resolved: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
Posted by "Mikhail Loenko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=all ]
Mikhail Loenko resolved HARMONY-846.
------------------------------------
Resolution: Fixed
patch applied in revision 441437
Vladimir please confirm that it was applied as expected
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Assigned To: Mikhail Loenko
> Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Commented: (HARMONY-846) [classlib][io] unexpected
exceptions for ObjectInputStream().read
Posted by "Vladimir Ivanov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=comments#action_12433413 ]
Vladimir Ivanov commented on HARMONY-846:
-----------------------------------------
verified, thanks
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Assigned To: Mikhail Loenko
> Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Closed: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
Posted by "Mikhail Loenko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=all ]
Mikhail Loenko closed HARMONY-846.
----------------------------------
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Assigned To: Mikhail Loenko
> Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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[jira] Updated: (HARMONY-846) [classlib][io] unexpected exceptions
for ObjectInputStream().read
Posted by "Vladimir Ivanov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-846?page=all ]
Vladimir Ivanov updated HARMONY-846:
------------------------------------
Attachment: ObjectInputStream.patch
patch
> [classlib][io] unexpected exceptions for ObjectInputStream().read<Object> methods
> ---------------------------------------------------------------------------------
>
> Key: HARMONY-846
> URL: http://issues.apache.org/jira/browse/HARMONY-846
> Project: Harmony
> Type: Bug
> Components: Classlib
> Reporter: Vladimir Ivanov
> Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
> The Harmony methods of the java.io.ObjectInputStream class have different behavior in compare with RI:
> 1) For readObject() and readObjectOverride() Harmony throws IOException while RI returns null
> 2) For readClassDescriptor() Harmony throws NotActiveException while RI throws NPE
> ==================== test.java =======================
> import java.io.*;
> public class test {
> public static void main (String[] args) {
> try {
> System.out.println("readObject = " + new testObjectInputStream().readObject());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readObjectOverride = " + new testObjectInputStream().readObjectOverride());
> } catch (Exception e) {
> e.printStackTrace();
> }
> try {
> System.out.println("readClassDescriptor = " + new testObjectInputStream().readClassDescriptor());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> class testObjectInputStream extends ObjectInputStream {
> public testObjectInputStream() throws IOException{
> super();
> }
> public Object readObjectOverride() throws IOException, ClassNotFoundException{
> return super.readObjectOverride();
> }
> public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException{
> return super.readClassDescriptor();
> }
> }
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized over throughput (initial strategy singleparpar))
> readObject = null
> readObjectOverride = null
> java.lang.NullPointerException
> at java.io.ObjectInputStream.readUTF()Ljava.lang.String;(Unknown Source)
> at java.io.ObjectStreamClass.readNonProxy(Ljava.io.ObjectInputStream;)V(Unknown Source)
> at java.io.ObjectInputStream.readClassDescriptor()Ljava.io.ObjectStreamClass;(Unknown Source)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:2006)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1976)
> at test.main(test.java:6)
> java.io.IOException
> at java.io.ObjectInputStream.readObjectOverride(ObjectInputStream.java:2072)
> at testObjectInputStream.readObjectOverride(test.java:28)
> at test.main(test.java:11)
> java.io.NotActiveException
> at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:1667)
> at testObjectInputStream.readClassDescriptor(test.java:31)
> at test.main(test.java:16)
>
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