[SPARK-17652] Fix confusing exception message while reserving capacity

## What changes were proposed in this pull request?

This minor patch fixes a confusing exception message while reserving additional capacity in the vectorized parquet reader.

## How was this patch tested?

Exisiting Unit Tests

Author: Sameer Agarwal <sameerag@cs.berkeley.edu>

Closes #15225 from sameeragarwal/error-msg.

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnarBatchSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnarBatchSuite.scala
index 100cc4daca..e3943f31a4 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnarBatchSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnarBatchSuite.scala
@@ -802,8 +802,8 @@ class ColumnarBatchSuite extends SparkFunSuite {
         // Over-allocating beyond MAX_CAPACITY throws an exception
         column.appendBytes(10, 0.toByte)
       }
-      assert(ex.getMessage.contains(s"Cannot reserve more than ${column.MAX_CAPACITY} bytes in " +
-        s"the vectorized reader"))
+      assert(ex.getMessage.contains(s"Cannot reserve additional contiguous bytes in the " +
+        s"vectorized reader"))
     }
   }
 }