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Posted to commits@fory.apache.org by "mandrean (via GitHub)" <gi...@apache.org> on 2026/02/13 16:12:29 UTC

[I] Deserialization fails for 4-level nested HashMap subclasses [fory]

mandrean opened a new issue, #3337:
URL: https://github.com/apache/fory/issues/3337

   ### Search before asking
   
   - [x] I had searched in the [issues](https://github.com/apache/fory/issues) and found no similar issues.
   
   
   ### Version
   
   0.15.0
   
   ### Component(s)
   
   Java
   
   ### Minimal reproduce step
   
   ```java
   // 4-level HashMap subclass nesting
   public class RegionCode extends HashMap<String, String> {}
   public class LanguageData extends HashMap<String, RegionCode> {}
   public class LocaleMapping extends HashMap<String, LanguageData> {}
   public class LocalizationSettings extends HashMap<String, LocaleMapping> {}
   
   @Data
   public class ConfigDocument {
       private String id;
       private LocalizationSettings localizations;
   }
   
   // Serialize and deserialize
   Fury fury = Fury.builder()
       .withCodegen(false)
       .requireClassRegistration(false)
       .withLanguage(Language.JAVA)
       .build();
   
   ConfigDocument doc = new ConfigDocument("id-123", localizations);
   byte[] bytes = fury.serialize(doc);
   ConfigDocument result = fury.deserialize(bytes); // ❌ Fails with DeserializationException
   ```
   
   ### What did you expect to see?
   
   It to succeed deserializing even nested hash maps 
   
   ### What did you see instead?
   
   It fails with DeserializationException
   
   ### Anything Else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [ ] I'm willing to submit a PR!


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Re: [I] [Java] Fails deserializing nested HashMap subclasses with inherited generic type parameters [fory]

Posted by "chaokunyang (via GitHub)" <gi...@apache.org>.
chaokunyang closed issue #3337: [Java] Fails deserializing nested HashMap subclasses with inherited generic type parameters
URL: https://github.com/apache/fory/issues/3337


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Re: [I] [Java] Deserialization fails for 4-level nested HashMap subclasses [fory]

Posted by "mandrean (via GitHub)" <gi...@apache.org>.
mandrean commented on issue #3337:
URL: https://github.com/apache/fory/issues/3337#issuecomment-3907845674

   PR: https://github.com/apache/fory/pull/3342


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