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Posted to issues@iceberg.apache.org by "murali-db (via GitHub)" <gi...@apache.org> on 2025/11/12 01:03:15 UTC

[I] [Core] RESTFileScanTaskParser.fromJson crashes on empty delete-file-references array [iceberg]

murali-db opened a new issue, #14564:
URL: https://github.com/apache/iceberg/issues/14564

   ### Apache Iceberg version
   
   1.10.0 (latest release)
   
   ### Query engine
   
   None
   
   ### Please describe the bug 🐞
   
   ## Bug Description
     `RESTFileScanTaskParser.fromJson()` throws `NoSuchElementException` when parsing responses with empty `delete-file-references` arrays.
   
     ## Location
     `core/src/main/java/org/apache/iceberg/rest/RESTFileScanTaskParser.java:90`
   
     ## Root Cause
     ```java
     if (jsonNode.has(DELETE_FILE_REFERENCES)) {
       List<Integer> indices = JsonUtil.getIntegerList(DELETE_FILE_REFERENCES, jsonNode);
       Preconditions.checkArgument(
           Collections.max(indices) < allDeleteFiles.size(),  // ← LINE 90: Crashes if indices is empty
           "Invalid delete file references: %s, expected indices < %s",
           indices,
           allDeleteFiles.size());
   ```
   
    `Collections.max() throws NoSuchElementException when called on an empty list.`
     
   ## Reproduction
   
     1. Use Iceberg REST catalog with server-side scan planning
     2. Create a table with data files but no delete files
     3. Call plan table scan endpoint
     4. Server returns valid JSON with "delete-file-references": []
     5. Parser crashes with NoSuchElementException
   
     ## Expected Behavior
     Empty delete-file-references arrays should be valid (no delete files to reference).
   
   If confirmed as an issue, I can contribute a bug fix for this. 
   
   ### Willingness to contribute
   
   - [x] I can contribute a fix for this bug independently
   - [ ] I would be willing to contribute a fix for this bug with guidance from the Iceberg community
   - [ ] I cannot contribute a fix for this bug at this time


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Re: [I] [Core] RESTFileScanTaskParser.fromJson crashes on empty delete-file-references array [iceberg]

Posted by "murali-db (via GitHub)" <gi...@apache.org>.
murali-db closed issue #14564: [Core] RESTFileScanTaskParser.fromJson crashes on empty delete-file-references array
URL: https://github.com/apache/iceberg/issues/14564


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Re: [I] (created in error, ignore) [iceberg]

Posted by "murali-db (via GitHub)" <gi...@apache.org>.
murali-db closed issue #14564: (created in error, ignore)
URL: https://github.com/apache/iceberg/issues/14564


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