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Error opening very old .pdn files in v4.2.11


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I can not open any older .pdn file. Same error messages as above.

I can only open newer .pdn files.

 

I was semi-sure that those files opened with previous versions of the program within the last year. So I reinstalled 4.2.10 and the older files opened again without issues.

 

As I kept the program relatively up to date all the time, if it helps, a file that was saved in January 2012 opens, a file that was saved in July 2011 does not open and provides above mentioned error.

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Posted (edited)
1 hour ago, toe_head2001 said:

 

Can you share that file?

not that exact file but all files older than january 2012 did not open. (pdn files of course)

 

here is one that i tested for sure which did not open with 4.2.11. zipped because pdn is not accepted, this one was saved in may 2009.  it does open with 4.2.10

dvd-logo.zip

Edited by wudd
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@wudd I too tried to open this in 4.2.11 and it would not open. 

 

However, I managed to open it in 3.5.11 but it is only one layer with the DVD text only.

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This appears to be the same issue that's seen with the .XCF GIMP plugin.

Application version: paint.net 4.2.11

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Collections.Specialized.NameObjectCollectionBase.get_Count()
   at PaintDotNet.Collections.NameValueCollectionExtensions.ToArray(NameValueCollection nameValueCollection) in D:\src\pdn\src\Base\Collections\NameValueCollectionExtensions.cs:line 24
   at PaintDotNet.Document..ctor(SerializationInfo info, StreamingContext context) in D:\src\pdn\src\Data\Document.cs:line 1039
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.SerializationInvoke(IRuntimeMethodInfo method, Object target, SerializationInfo info, StreamingContext& context)
   at System.Runtime.Serialization.ObjectManager.CompleteISerializableObject(Object obj, SerializationInfo info, StreamingContext context)
   at System.Runtime.Serialization.ObjectManager.FixupSpecialObject(ObjectHolder holder)
   at System.Runtime.Serialization.ObjectManager.DoFixups()
   at System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
   at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
   at PaintDotNet.Document.FromStream(Stream stream) in D:\src\pdn\src\Data\Document.cs:line 1436
   at PaintDotNet.FileType.Load(Stream input) in D:\src\pdn\src\Data\FileType.cs:line 527
   at PaintDotNet.Functional.Func.Eval[T1,TRet](Func`2 f, T1 arg1) in D:\src\pdn\src\Base\Functional\Func.cs:line 158

 

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Here's a build with a hotfix: 

 

 

Install that and this will be fixed. The fix will also be a part of the final/public release of version 4.2.12, coming soon.

 

This issue was only affecting PDN images saved with Paint.NET v3.5.8 or earlier (AFAICT).

The Paint.NET Blog: https://blog.getpaint.net/

Donations are always appreciated! https://www.getpaint.net/donate.html

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  • toe_head2001 changed the title to Error opening very old .pdn files in v4.2.11

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