viirya commented on PR #834:
URL: https://github.com/apache/datafusion-comet/pull/834#issuecomment-2293859445

   After changing to ubuntu 24.04, the negative ref count error like following 
disappears on Spark 3.4.3, although it still happens on Spark 4.0.0 and Spark 
3.5.1. 
   
   Note that it only happens on `spark-sql-sql/core-1`, other Spark SQL tests 
are passed.
   
   
   ```
   [info]               Suppressed: java.lang.IllegalStateException: RefCnt has 
gone negative
   [info]                       at 
org.apache.comet.shaded.arrow.util.Preconditions.checkState(Preconditions.java:465)
   [info]                       at 
org.apache.comet.shaded.arrow.memory.BufferLedger.release(BufferLedger.java:131)
   [info]                       at 
org.apache.comet.shaded.arrow.memory.BufferLedger.release(BufferLedger.java:105)
   [info]                       at 
org.apache.comet.shaded.arrow.vector.BaseValueVector.releaseBuffer(BaseValueVector.java:114)
   [info]                       at 
org.apache.comet.shaded.arrow.vector.BaseFixedWidthVector.clear(BaseFixedWidthVector.java:248)
   [info]                       at 
org.apache.comet.shaded.arrow.vector.BaseFixedWidthVector.close(BaseFixedWidthVector.java:238)
   [info]                       at 
org.apache.comet.vector.CometVector.close(CometVector.java:210)```
   
   


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