fix(mock data): failed to cancel the mock data task

server/odc-core/src/main/java/com/oceanbase/odc/core/shared/constant/ErrorCodes.java

@@ -131,6 +131,7 @@ public enum ErrorCodes implements ErrorCode {
     TaskNotReadyForDownload,
     TaskSqlExecuteFailed,
     TaskLogNotFound,
+    TaskFailedCancelledNow,
 
     // Debug
     DebugDBMSNotSupported,

server/odc-core/src/main/resources/i18n/BusinessMessages_zh_TW.properties

@@ -899,4 +899,4 @@ com.oceanbase.odc.DatabasePermissionType.ACCESS=訪問
 com.oceanbase.odc.PartitionPlanVariableKey.INTERVAL=間隔
 com.oceanbase.odc.PartitionPlanVariableKey.LAST_PARTITION_VALUE=最後一個分區規則對應位置表達式的值
 com.oceanbase.odc.partitionplan.TimeDataType=時間類型
-com.oceanbase.odc.partitionplan.NumberDataType=數字類型
+com.oceanbase.odc.partitionplan.NumberDataType=數字類型

server/odc-core/src/main/resources/i18n/ErrorMessages.properties

@@ -196,3 +196,4 @@ com.oceanbase.odc.ErrorCodes.PartitionKeyDataTypeMismatch=The data type does not
 com.oceanbase.odc.ErrorCodes.TimeDataTypePrecisionMismatch=The time type precision does not match. The configured time interval precision is greater than the maximum precision of the partition key {0} data type.
 com.oceanbase.odc.ErrorCodes.DatabaseAccessDenied=Database access is denied because the current user does not have {0} permissions for the database.
 com.oceanbase.odc.ErrorCodes.ObQueryProfileNotSupported=Query profile is only available for OceanBase Database with versions equal to or higher than {0}.
+com.oceanbase.odc.ErrorCodes.TaskFailedCancelledNow=Cannot cancel at this time, the task may not have started yet, please try again later.

server/odc-core/src/main/resources/i18n/ErrorMessages_zh_CN.properties

@@ -195,3 +195,4 @@ com.oceanbase.odc.ErrorCodes.PartitionKeyDataTypeMismatch = 数据类型不匹
 com.oceanbase.odc.ErrorCodes.TimeDataTypePrecisionMismatch = 时间类型精度不匹配，配置的时间间隔精度大于分区键 {0} 数据类型的最大精度
 com.oceanbase.odc.ErrorCodes.DatabaseAccessDenied=数据库访问被拒绝，因为当前用户没有数据库的{0}权限
 com.oceanbase.odc.ErrorCodes.ObQueryProfileNotSupported=执行详情仅在高于或等于 {0} 的 OceanBase 版本可用
+com.oceanbase.odc.ErrorCodes.TaskFailedCancelledNow=当前无法取消，任务可能还未开始，请稍后再试

server/odc-core/src/main/resources/i18n/ErrorMessages_zh_TW.properties

@@ -195,3 +195,4 @@ com.oceanbase.odc.ErrorCodes.PartitionKeyDataTypeMismatch = 資料類型不匹
 com.oceanbase.odc.ErrorCodes.TimeDataTypePrecisionMismatch = 時間類型精度不匹配，配置的時間間隔精度大於分區鍵 {0} 資料類型的最大精度
 com.oceanbase.odc.ErrorCodes.DatabaseAccessDenied=資料庫存取被拒絕，因為目前使用者沒有資料庫的{0}權限
 com.oceanbase.odc.ErrorCodes.ObQueryProfileNotSupported=執行詳情僅在高於或等於 {0} 的 OceanBase 版本可用
+com.oceanbase.odc.ErrorCodes.TaskFailedCancelledNow=當前無法取消，任務可能還未開始，請稍後再試

server/odc-service/src/main/java/com/oceanbase/odc/service/flow/task/MockDataRuntimeFlowableTask.java

@@ -24,7 +24,9 @@
 
 import com.oceanbase.odc.common.trace.TraceContextHolder;
 import com.oceanbase.odc.core.shared.Verify;
+import com.oceanbase.odc.core.shared.constant.ErrorCodes;
 import com.oceanbase.odc.core.shared.constant.FlowStatus;
+import com.oceanbase.odc.core.shared.exception.BadRequestException;
 import com.oceanbase.odc.service.connection.model.ConnectionConfig;
 import com.oceanbase.odc.service.flow.task.model.MockDataTaskResult;
 import com.oceanbase.odc.service.flow.task.model.MockProperties;
@@ -61,7 +63,10 @@ public class MockDataRuntimeFlowableTask extends BaseODCFlowTaskDelegate<Void> {
 
     @Override
     public boolean cancel(boolean mayInterruptIfRunning, Long taskId, TaskService taskService) {
-        Verify.notNull(context, "MockContext is null");
+        if (context == null) {
+            throw new BadRequestException(ErrorCodes.TaskFailedCancelledNow, null,
+                    "Failed to cancel the task.");
+        }
         Map<String, String> variables = new HashMap<>();
         variables.putIfAbsent("mocktask.workspace", taskId + "");
         TraceContextHolder.span(variables);