Revert "[SPARK-55755][SQL][TESTS] Handle null ArithmeticException message on JDK 25"

This reverts commit a7990f3.

Author: pan3793

sql/api/src/main/scala/org/apache/spark/sql/catalyst/util/MathUtils.scala

@@ -94,9 +94,7 @@ object MathUtils {
       f
     } catch {
       case e: ArithmeticException =>
-        // On JDK 25+, Math.*Exact may throw ArithmeticException without a message
-        val message = if (e.getMessage != null) e.getMessage else "Overflow"
-        throw ExecutionErrors.arithmeticOverflowError(message, hint, context)
+        throw ExecutionErrors.arithmeticOverflowError(e.getMessage, hint, context)
     }
   }
 
@@ -105,8 +103,7 @@ object MathUtils {
        |try {
        |  $evalCode
        |} catch (ArithmeticException e) {
-       |  String msg = e.getMessage() != null ? e.getMessage() : "Overflow";
-       |  throw QueryExecutionErrors.arithmeticOverflowError(msg, "", $context);
+       |  throw QueryExecutionErrors.arithmeticOverflowError(e.getMessage(), "", $context);
        |}
        |""".stripMargin
   }

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/CatalystTypeConvertersSuite.scala

@@ -302,8 +302,7 @@ class CatalystTypeConvertersSuite extends SparkFunSuite with SQLHelper {
     val errMsg = intercept[ArithmeticException] {
       IntervalUtils.durationToMicros(Duration.ofSeconds(Long.MaxValue, Long.MaxValue))
     }.getMessage
-    // On JDK 25+, Math.multiplyExact may throw ArithmeticException without a message
-    assert(errMsg == null || errMsg.contains("long overflow"))
+    assert(errMsg.contains("long overflow"))
   }
 
   test("SPARK-35726: Truncate java.time.Duration by fields of day-time interval type") {

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/DateExpressionsSuite.scala

@@ -1822,8 +1822,7 @@ class DateExpressionsSuite extends SparkFunSuite with ExpressionEvalHelper {
             null)
         }.getCause
         assert(e.isInstanceOf[ArithmeticException])
-        // On JDK 25+, Math.multiplyExact may throw ArithmeticException without a message
-        assert(e.getMessage == null || e.getMessage.contains("long overflow"))
+        assert(e.getMessage.contains("long overflow"))
 
         checkEvaluation(
           TimestampAddInterval(

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/DateTimeUtilsSuite.scala

@@ -832,8 +832,7 @@ class DateTimeUtilsSuite extends SparkFunSuite with Matchers with SQLHelper {
       val msg = intercept[ArithmeticException] {
         DateTimeUtils.localDateTimeToMicros(dt)
       }.getMessage
-      // On JDK 25+, Math.multiplyExact may throw ArithmeticException without a message
-      assert(msg == null || msg == "long overflow")
+      assert(msg == "long overflow")
     }
   }
 

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/IntervalUtilsSuite.scala

@@ -590,8 +590,7 @@ class IntervalUtilsSuite extends SparkFunSuite with SQLHelper {
     val errMsg = intercept[ArithmeticException] {
       durationToMicros(Duration.ofDays(106751991 + 1))
     }.getMessage
-    // On JDK 25+, Math.multiplyExact may throw ArithmeticException without a message
-    assert(errMsg == null || errMsg.contains("long overflow"))
+    assert(errMsg.contains("long overflow"))
   }
 
   test("SPARK-34615: period to months") {

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/util/TimestampFormatterSuite.scala

@@ -448,10 +448,9 @@ class TimestampFormatterSuite extends DatetimeFormatterSuite {
     assert(formatter.parse("294247") === date(294247))
     assert(formatter.parse("-290307") === date(-290307))
     val e1 = intercept[ArithmeticException](formatter.parse("294248"))
-    // On JDK 25+, Math.multiplyExact may throw ArithmeticException without a message
-    assert(e1.getMessage == null || e1.getMessage === "long overflow")
+    assert(e1.getMessage === "long overflow")
     val e2 = intercept[ArithmeticException](formatter.parse("-290308"))
-    assert(e2.getMessage == null || e2.getMessage === "long overflow")
+    assert(e2.getMessage === "long overflow")
   }
 
   test("SPARK-36418: default parsing w/o pattern") {