[FixBug][JsonSplit] dag show bugs (#5226)

* fix: dag show bugs

* fix: code format

* fix: code format

* fix: code format

Co-authored-by: wen-hemin <wenhemin@apache.com>

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessDefinitionServiceImpl.java

@@ -1108,7 +1108,7 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
 
             // check whether the process definition json is normal
             for (TaskNode taskNode : taskNodes) {
-                if (!CheckUtils.checkTaskNodeParameters(taskNode.getParams(), taskNode.getType())) {
+                if (!CheckUtils.checkTaskNodeParameters(taskNode)) {
                     logger.error("task node {} parameter invalid", taskNode.getName());
                     putMsg(result, Status.PROCESS_NODE_S_PARAMETER_INVALID, taskNode.getName());
                     return result;
@@ -1806,4 +1806,4 @@ public class ProcessDefinitionServiceImpl extends BaseServiceImpl implements Pro
         return result;
 
     }
-}
+}

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/ProcessInstanceServiceImpl.java

@@ -205,8 +205,15 @@ public class ProcessInstanceServiceImpl extends BaseServiceImpl implements Proce
         ProcessDefinition processDefinition = processService.findProcessDefinition(processInstance.getProcessDefinitionCode(),
                 processInstance.getProcessDefinitionVersion());
         processInstance.setWarningGroupId(processDefinition.getWarningGroupId());
-        result.put(DATA_LIST, processInstance);
+
-        putMsg(result, Status.SUCCESS);
+        if (processDefinition == null) {
+            putMsg(result, Status.PROCESS_DEFINE_NOT_EXIST, processId);
+        } else {
+            ProcessData processData = processService.genProcessData(processDefinition);
+            processInstance.setProcessInstanceJson(JSONUtils.toJsonString(processData));
+            result.put(DATA_LIST, processInstance);
+            putMsg(result, Status.SUCCESS);
+        }
 
         return result;
     }
@@ -756,4 +763,4 @@ public class ProcessInstanceServiceImpl extends BaseServiceImpl implements Proce
         return processInstanceMapper.queryByProcessDefineCode(processDefinitionCode, size);
     }
 
-}
+}

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/TaskDefinitionServiceImpl.java

@@ -237,7 +237,7 @@ public class TaskDefinitionServiceImpl extends BaseServiceImpl implements TaskDe
             putMsg(result, Status.DATA_IS_NOT_VALID, taskDefinitionJson);
             return;
         }
-        if (!CheckUtils.checkTaskNodeParameters(taskNode.getParams(), taskNode.getName())) {
+        if (!CheckUtils.checkTaskNodeParameters(taskNode)) {
             logger.error("task node {} parameter invalid", taskNode.getName());
             putMsg(result, Status.PROCESS_NODE_S_PARAMETER_INVALID, taskNode.getName());
         }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/CheckUtils.java

@@ -16,144 +16,163 @@
  */
 package org.apache.dolphinscheduler.api.utils;
 
-
-import org.apache.dolphinscheduler.api.enums.Status;
-import org.apache.dolphinscheduler.common.Constants;
-import org.apache.dolphinscheduler.common.task.AbstractParameters;
-import org.apache.dolphinscheduler.common.utils.*;
-import org.apache.dolphinscheduler.common.utils.StringUtils;
-import org.apache.dolphinscheduler.common.utils.TaskParametersUtils;
-
 import java.text.MessageFormat;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Pattern;
 
+import org.apache.dolphinscheduler.api.enums.Status;
+import org.apache.dolphinscheduler.common.Constants;
+import org.apache.dolphinscheduler.common.enums.TaskType;
+import org.apache.dolphinscheduler.common.model.TaskNode;
+import org.apache.dolphinscheduler.common.task.AbstractParameters;
+import org.apache.dolphinscheduler.common.utils.JSONUtils;
+import org.apache.dolphinscheduler.common.utils.StringUtils;
+import org.apache.dolphinscheduler.common.utils.TaskParametersUtils;
+
 
 /**
  * check utils
  */
 public class CheckUtils {
 
-  private CheckUtils() {
+    private CheckUtils() {
-    throw new IllegalStateException("CheckUtils class");
+        throw new IllegalStateException("CheckUtils class");
-  }
-  /**
-   * check username
-   *
-   * @param userName user name
-   * @return true if user name regex valid,otherwise return false
-   */
-  public static boolean checkUserName(String userName) {
-    return regexChecks(userName, Constants.REGEX_USER_NAME);
-  }
-
-  /**
-   * check email
-   *
-   * @param email email
-   * @return true if email regex valid, otherwise return false
-   */
-  public static boolean checkEmail(String email) {
-    if (StringUtils.isEmpty(email)){
-      return false;
     }
 
-    return email.length() > 5 && email.length() <= 40 && regexChecks(email, Constants.REGEX_MAIL_NAME) ;
+    /**
-  }
+     * check username
-
+     *
-  /**
+     * @param userName
-   * check project description
+     *            user name
-   *
+     * @return true if user name regex valid,otherwise return false
-   * @param desc desc
+     */
-   * @return true if description regex valid, otherwise return false
+    public static boolean checkUserName(String userName) {
-   */
+        return regexChecks(userName, Constants.REGEX_USER_NAME);
-  public static Map<String, Object> checkDesc(String desc) {
-    Map<String, Object> result = new HashMap<>();
-    if (StringUtils.isNotEmpty(desc) && desc.length() > 200) {
-        result.put(Constants.STATUS, Status.REQUEST_PARAMS_NOT_VALID_ERROR);
-        result.put(Constants.MSG, MessageFormat.format(Status.REQUEST_PARAMS_NOT_VALID_ERROR.getMsg(), "desc length"));
-    }else{
-      result.put(Constants.STATUS, Status.SUCCESS);
-    }
-    return result;
-  }
-
-  /**
-   * check extra info
-   *
-   * @param otherParams other parames
-   * @return true if other parameters are valid, otherwise return false
-   */
-  public static boolean checkOtherParams(String otherParams) {
-    return StringUtils.isNotEmpty(otherParams) && !JSONUtils.checkJsonValid(otherParams);
-  }
-
-  /**
-   * check password
-   *
-   * @param password password
-   * @return true if password regex valid, otherwise return false
-   */
-  public static boolean checkPassword(String password) {
-    return StringUtils.isNotEmpty(password) && password.length() >= 2 && password.length() <= 20;
-  }
-
-  /**
-   * check phone
-   * phone can be empty.
-   * @param phone phone
-   * @return true if phone regex valid, otherwise return false
-   */
-  public static boolean checkPhone(String phone) {
-    return StringUtils.isEmpty(phone) || phone.length() == 11;
-  }
-
-
-  /**
-   * check task node parameter
-   *
-   * @param parameter parameter
-   * @param taskType task type
-   * @return true if task node parameters are valid, otherwise return false
-   */
-  public static boolean checkTaskNodeParameters(String parameter, String taskType) {
-    AbstractParameters abstractParameters = TaskParametersUtils.getParameters(taskType, parameter);
-
-    if (abstractParameters != null) {
-      return abstractParameters.checkParameters();
     }
 
-    return false;
+    /**
-  }
+     * check email
+     *
+     * @param email
+     *            email
+     * @return true if email regex valid, otherwise return false
+     */
+    public static boolean checkEmail(String email) {
+        if (StringUtils.isEmpty(email)) {
+            return false;
+        }
 
-  /**
+        return email.length() > 5 && email.length() <= 40 && regexChecks(email, Constants.REGEX_MAIL_NAME);
-   * check params
-   * @param userName user name
-   * @param password password
-   * @param email email
-   * @param phone phone
-   * @return true if user parameters are valid, other return false
-   */
-  public static boolean checkUserParams(String userName, String password, String email, String phone){
-    return CheckUtils.checkUserName(userName) &&
-            CheckUtils.checkEmail(email) &&
-            CheckUtils.checkPassword(password) &&
-            CheckUtils.checkPhone(phone);
-  }
-
-  /**
-   * regex check
-   *
-   * @param str input string
-   * @param pattern regex pattern
-   * @return true if regex pattern is right, otherwise return false
-   */
-  private static boolean regexChecks(String str, Pattern pattern) {
-    if (StringUtils.isEmpty(str)) {
-      return false;
     }
 
-    return pattern.matcher(str).matches();
+    /**
-  }
+     * check project description
+     *
+     * @param desc
+     *            desc
+     * @return true if description regex valid, otherwise return false
+     */
+    public static Map<String, Object> checkDesc(String desc) {
+        Map<String, Object> result = new HashMap<>();
+        if (StringUtils.isNotEmpty(desc) && desc.length() > 200) {
+            result.put(Constants.STATUS, Status.REQUEST_PARAMS_NOT_VALID_ERROR);
+            result.put(Constants.MSG,
+                MessageFormat.format(Status.REQUEST_PARAMS_NOT_VALID_ERROR.getMsg(), "desc length"));
+        } else {
+            result.put(Constants.STATUS, Status.SUCCESS);
+        }
+        return result;
+    }
+
+    /**
+     * check extra info
+     *
+     * @param otherParams
+     *            other parames
+     * @return true if other parameters are valid, otherwise return false
+     */
+    public static boolean checkOtherParams(String otherParams) {
+        return StringUtils.isNotEmpty(otherParams) && !JSONUtils.checkJsonValid(otherParams);
+    }
+
+    /**
+     * check password
+     *
+     * @param password
+     *            password
+     * @return true if password regex valid, otherwise return false
+     */
+    public static boolean checkPassword(String password) {
+        return StringUtils.isNotEmpty(password) && password.length() >= 2 && password.length() <= 20;
+    }
+
+    /**
+     * check phone phone can be empty.
+     *
+     * @param phone
+     *            phone
+     * @return true if phone regex valid, otherwise return false
+     */
+    public static boolean checkPhone(String phone) {
+        return StringUtils.isEmpty(phone) || phone.length() == 11;
+    }
+
+    /**
+     * check task node parameter
+     *
+     * @param taskNode
+     *            TaskNode
+     * @return true if task node parameters are valid, otherwise return false
+     */
+    public static boolean checkTaskNodeParameters(TaskNode taskNode) {
+        AbstractParameters abstractParameters;
+
+        if (TaskType.of(taskNode.getType()) == TaskType.DEPENDENT) {
+            abstractParameters = TaskParametersUtils.getParameters(taskNode.getType(), taskNode.getDependence());
+        } else {
+            abstractParameters = TaskParametersUtils.getParameters(taskNode.getType(), taskNode.getParams());
+        }
+
+        if (abstractParameters != null) {
+            return abstractParameters.checkParameters();
+        }
+
+        return false;
+    }
+
+    /**
+     * check params
+     *
+     * @param userName
+     *            user name
+     * @param password
+     *            password
+     * @param email
+     *            email
+     * @param phone
+     *            phone
+     * @return true if user parameters are valid, other return false
+     */
+    public static boolean checkUserParams(String userName, String password, String email, String phone) {
+        return CheckUtils.checkUserName(userName) && CheckUtils.checkEmail(email) && CheckUtils.checkPassword(password)
+               && CheckUtils.checkPhone(phone);
+    }
+
+    /**
+     * regex check
+     *
+     * @param str
+     *            input string
+     * @param pattern
+     *            regex pattern
+     * @return true if regex pattern is right, otherwise return false
+     */
+    private static boolean regexChecks(String str, Pattern pattern) {
+        if (StringUtils.isEmpty(str)) {
+            return false;
+        }
+
+        return pattern.matcher(str).matches();
+    }
 }

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/utils/CheckUtilsTest.java

@@ -25,6 +25,7 @@ import org.apache.dolphinscheduler.api.enums.Status;
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.ProgramType;
 import org.apache.dolphinscheduler.common.enums.TaskType;
+import org.apache.dolphinscheduler.common.model.TaskNode;
 import org.apache.dolphinscheduler.common.process.ResourceInfo;
 import org.apache.dolphinscheduler.common.task.datax.DataxParameters;
 import org.apache.dolphinscheduler.common.task.dependent.DependentParameters;
@@ -134,93 +135,140 @@ public class CheckUtilsTest {
     }
     @Test
     public void testCheckTaskNodeParameters() {
+        TaskNode taskNode = new TaskNode();
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
 
-        assertFalse(CheckUtils.checkTaskNodeParameters(null,null));
+        taskNode.setType("unKnown");
-        assertFalse(CheckUtils.checkTaskNodeParameters(null,"unKnown"));
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
-        assertFalse(CheckUtils.checkTaskNodeParameters("unKnown","unKnown"));
+
-        assertFalse(CheckUtils.checkTaskNodeParameters("unKnown",null));
+        taskNode.setParams("unKnown");
+        taskNode.setType("unKnown");
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
+
+        taskNode.setParams("unKnown");
+        taskNode.setType(null);
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // sub SubProcessParameters
         SubProcessParameters subProcessParameters = new SubProcessParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(subProcessParameters), TaskType.SUB_PROCESS.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(subProcessParameters));
+        taskNode.setType(TaskType.SUB_PROCESS.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
+
         subProcessParameters.setProcessDefinitionId(1234);
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(subProcessParameters), TaskType.SUB_PROCESS.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(subProcessParameters));
+        taskNode.setType(TaskType.SUB_PROCESS.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // ShellParameters
         ShellParameters shellParameters = new ShellParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(shellParameters), TaskType.SHELL.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(shellParameters));
+        taskNode.setType(TaskType.SHELL.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         shellParameters.setRawScript("");
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(shellParameters), TaskType.SHELL.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(shellParameters));
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         shellParameters.setRawScript("sss");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(shellParameters), TaskType.SHELL.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(shellParameters));
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // ProcedureParameters
         ProcedureParameters procedureParameters = new ProcedureParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(procedureParameters), TaskType.PROCEDURE.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(procedureParameters));
+        taskNode.setType(TaskType.PROCEDURE.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         procedureParameters.setDatasource(1);
         procedureParameters.setType("xx");
         procedureParameters.setMethod("yy");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(procedureParameters), TaskType.PROCEDURE.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(procedureParameters));
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // SqlParameters
         SqlParameters sqlParameters = new SqlParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(sqlParameters), TaskType.SQL.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(sqlParameters));
+        taskNode.setType(TaskType.SQL.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         sqlParameters.setDatasource(1);
         sqlParameters.setType("xx");
         sqlParameters.setSql("yy");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(sqlParameters), TaskType.SQL.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(sqlParameters));
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // MapReduceParameters
         MapReduceParameters mapreduceParameters = new MapReduceParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(mapreduceParameters), TaskType.MR.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(mapreduceParameters));
+        taskNode.setType(TaskType.MR.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
 
         ResourceInfo resourceInfoMapreduce = new ResourceInfo();
         resourceInfoMapreduce.setId(1);
         resourceInfoMapreduce.setRes("");
         mapreduceParameters.setMainJar(resourceInfoMapreduce);
         mapreduceParameters.setProgramType(ProgramType.JAVA);
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(mapreduceParameters), TaskType.MR.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(mapreduceParameters));
+        taskNode.setType(TaskType.MR.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // SparkParameters
         SparkParameters sparkParameters = new SparkParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(sparkParameters), TaskType.SPARK.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(sparkParameters));
+        taskNode.setType(TaskType.SPARK.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         sparkParameters.setMainJar(new ResourceInfo());
         sparkParameters.setProgramType(ProgramType.SCALA);
         sparkParameters.setSparkVersion("1.1.1");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(sparkParameters), TaskType.SPARK.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(sparkParameters));
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // PythonParameters
         PythonParameters pythonParameters = new PythonParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(pythonParameters), TaskType.PYTHON.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(pythonParameters));
+        taskNode.setType(TaskType.PYTHON.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         pythonParameters.setRawScript("ss");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(pythonParameters), TaskType.PYTHON.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(pythonParameters));
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // DependentParameters
         DependentParameters dependentParameters = new DependentParameters();
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(dependentParameters), TaskType.DEPENDENT.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(dependentParameters));
+        taskNode.setType(TaskType.DEPENDENT.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // FlinkParameters
         FlinkParameters flinkParameters = new FlinkParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(flinkParameters), TaskType.FLINK.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(flinkParameters));
+        taskNode.setType(TaskType.FLINK.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         flinkParameters.setMainJar(new ResourceInfo());
         flinkParameters.setProgramType(ProgramType.JAVA);
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(flinkParameters), TaskType.FLINK.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(flinkParameters));
+        taskNode.setType(TaskType.FLINK.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // HTTP
         HttpParameters httpParameters = new HttpParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(httpParameters), TaskType.HTTP.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(httpParameters));
+        taskNode.setType(TaskType.HTTP.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         httpParameters.setUrl("httpUrl");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(httpParameters), TaskType.HTTP.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(httpParameters));
+        taskNode.setType(TaskType.HTTP.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
 
         // DataxParameters
         DataxParameters dataxParameters = new DataxParameters();
-        assertFalse(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(dataxParameters), TaskType.DATAX.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(dataxParameters));
+        taskNode.setType(TaskType.DATAX.toString());
+        assertFalse(CheckUtils.checkTaskNodeParameters(taskNode));
         dataxParameters.setCustomConfig(0);
         dataxParameters.setDataSource(111);
         dataxParameters.setDataTarget(333);
         dataxParameters.setSql("sql");
         dataxParameters.setTargetTable("tar");
-        assertTrue(CheckUtils.checkTaskNodeParameters(JSONUtils.toJsonString(dataxParameters), TaskType.DATAX.toString()));
+        taskNode.setParams(JSONUtils.toJsonString(dataxParameters));
+        taskNode.setType(TaskType.DATAX.toString());
+        assertTrue(CheckUtils.checkTaskNodeParameters(taskNode));
     }
 
-}
+}

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/entity/TaskDefinition.java

@@ -35,6 +35,7 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.JsonNode;
 
 /**
  * task definition
@@ -250,10 +251,12 @@ public class TaskDefinition {
     }
 
     public List<Property> getTaskParamList() {
-        List<Property> propList = JSONUtils.toList(JSONUtils.parseObject(taskParams).findValue("localParams").toString(),
+        JsonNode localParams = JSONUtils.parseObject(taskParams).findValue("localParams");
-                Property.class);
+        if (localParams != null) {
-        return taskParamList = propList;
+            taskParamList = JSONUtils.toList(localParams.toString(), Property.class);
+        }
 
+        return taskParamList;
     }
 
     public void setTaskParamList(List<Property> taskParamList) {
@@ -266,9 +269,11 @@ public class TaskDefinition {
 
     public Map<String, String> getTaskParamMap() {
         if (taskParamMap == null && StringUtils.isNotEmpty(taskParams)) {
-            List<Property> propList = JSONUtils.toList(JSONUtils.parseObject(taskParams).findValue("localParams").toString(),
+            JsonNode localParams = JSONUtils.parseObject(taskParams).findValue("localParams");
-                    Property.class);
+            if (localParams != null) {
-            taskParamMap = propList.stream().collect(Collectors.toMap(Property::getProp, Property::getValue));
+                List<Property> propList = JSONUtils.toList(localParams.toString(), Property.class);
+                taskParamMap = propList.stream().collect(Collectors.toMap(Property::getProp, Property::getValue));
+            }
         }
         return taskParamMap;
     }

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessService.java

@@ -2533,7 +2533,7 @@ public class ProcessService {
             v.setRunFlag(taskDefinitionLog.getFlag() == Flag.YES ? Constants.FLOWNODE_RUN_FLAG_NORMAL : Constants.FLOWNODE_RUN_FLAG_FORBIDDEN);
             v.setMaxRetryTimes(taskDefinitionLog.getFailRetryTimes());
             v.setRetryInterval(taskDefinitionLog.getFailRetryInterval());
-            v.setParams(taskDefinitionLog.getTaskType() == TaskType.DEPENDENT ? "" : taskDefinitionLog.getTaskParams());
+            v.setParams(taskDefinitionLog.getTaskType() == TaskType.DEPENDENT ? null : taskDefinitionLog.getTaskParams());
             v.setDependence(taskDefinitionLog.getTaskType() == TaskType.DEPENDENT ? taskDefinitionLog.getTaskParams() : null);
             v.setTaskInstancePriority(taskDefinitionLog.getTaskPriority());
             v.setWorkerGroup(taskDefinitionLog.getWorkerGroup());