Trying to convert a value could throw the wrong exception.

h2/src/main/org/h2/value/Value.java

@@ -497,6 +497,7 @@ public abstract class Value {
         if (getType() == targetType) {
             return this;
         }
+        try {
             // decimal conversion
             switch (targetType) {
             case BOOLEAN: {
@@ -772,7 +773,6 @@ public abstract class Value {
             }
             // conversion by parsing the string value
             String s = getString();
-        try {
             switch (targetType) {
             case NULL:
                 return ValueNull.INSTANCE;
@@ -834,7 +834,7 @@ public abstract class Value {
                 throw DbException.throwInternalError("type=" + targetType);
             }
         } catch (NumberFormatException e) {
-            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, e, s);
+            throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, e, getString());
         }
     }
 

h2/src/test/org/h2/test/jdbc/TestPreparedStatement.java

@@ -44,6 +44,7 @@ public class TestPreparedStatement extends TestBase {
 
         deleteDb("preparedStatement");
         Connection conn = getConnection("preparedStatement");
+        testExecuteUpdateCall(conn);
         testPrepareExecute(conn);
         testUUID(conn);
         testScopedGeneratedKey(conn);
@@ -77,6 +78,15 @@ public class TestPreparedStatement extends TestBase {
         deleteDb("preparedStatement");
     }
 
+    private void testExecuteUpdateCall(Connection conn) throws SQLException {
+        Statement stat = conn.createStatement();
+        try {
+            stat.executeUpdate("CALL HASH('SHA256', STRINGTOUTF8('Password'), 1000)");
+        } catch (SQLException e) {
+            assertEquals(ErrorCode.DATA_CONVERSION_ERROR_1, e.getErrorCode());
+        }
+    }
+
     private void testPrepareExecute(Connection conn) throws SQLException {
         Statement stat = conn.createStatement();
         stat.execute("prepare test(int, int) as select ?1*?2");