1. change windows new line 'CR' to linux new line 'LF'

2. Format code

dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/command/TaskExecuteAckCommand.java

-/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */package org.apache.dolphinscheduler.remote.command;
import com.fasterxml.jackson.annotation.JsonFormat;import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
import java.io.Serializable;import java.util.Date;
/**
 *  execute task request command
 */public class TaskExecuteAckCommand implements Serializable {

    /**
     * taskInstanceId
     */
    private int taskInstanceId;

    /**
     * startTime
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
    private Date startTime;

    /**
     * host
     */
    private String host;

    /**
     * status
     */
    private int status;

    /**
     * logPath
     */
    private String logPath;

    /**
     * executePath
     */
    private String executePath;

    public Date getStartTime() {
        return startTime;
    }

    public void setStartTime(Date startTime) {
        this.startTime = startTime;
    }

    public String getHost() {
        return host;
    }

    public void setHost(String host) {
        this.host = host;
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public int getTaskInstanceId() {
        return taskInstanceId;
    }

    public void setTaskInstanceId(int taskInstanceId) {
        this.taskInstanceId = taskInstanceId;
    }

    public String getLogPath() {
        return logPath;
    }

    public void setLogPath(String logPath) {
        this.logPath = logPath;
    }

    public String getExecutePath() {
        return executePath;
    }

    public void setExecutePath(String executePath) {
        this.executePath = executePath;
    }

    /**
     *  package request command
     *
     * @return command
     */
    public Command convert2Command(){
        Command command = new Command();
        command.setType(CommandType.TASK_EXECUTE_ACK);
        byte[] body = JsonSerializer.serialize(this);
        command.setBody(body);
        return command;
    }

    @Override
    public String toString() {
        return "TaskExecuteAckCommand{" +
                "taskInstanceId=" + taskInstanceId +
                ", startTime=" + startTime +
                ", host='" + host + '\'' +
                ", status=" + status +
                ", logPath='" + logPath + '\'' +
                ", executePath='" + executePath + '\'' +
                '}';
    }}
\ No newline at end of file
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dolphinscheduler.remote.command;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ *  execute task request command
+ */
+public class TaskExecuteAckCommand implements Serializable {
+
+    /**
+     * taskInstanceId
+     */
+    private int taskInstanceId;
+
+    /**
+     * startTime
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
+    private Date startTime;
+
+    /**
+     * host
+     */
+    private String host;
+
+    /**
+     * status
+     */
+    private int status;
+
+    /**
+     * logPath
+     */
+    private String logPath;
+
+    /**
+     * executePath
+     */
+    private String executePath;
+
+    public Date getStartTime() {
+        return startTime;
+    }
+
+    public void setStartTime(Date startTime) {
+        this.startTime = startTime;
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    public void setHost(String host) {
+        this.host = host;
+    }
+
+    public int getStatus() {
+        return status;
+    }
+
+    public void setStatus(int status) {
+        this.status = status;
+    }
+
+    public int getTaskInstanceId() {
+        return taskInstanceId;
+    }
+
+    public void setTaskInstanceId(int taskInstanceId) {
+        this.taskInstanceId = taskInstanceId;
+    }
+
+    public String getLogPath() {
+        return logPath;
+    }
+
+    public void setLogPath(String logPath) {
+        this.logPath = logPath;
+    }
+
+    public String getExecutePath() {
+        return executePath;
+    }
+
+    public void setExecutePath(String executePath) {
+        this.executePath = executePath;
+    }
+
+    /**
+     *  package request command
+     *
+     * @return command
+     */
+    public Command convert2Command(){
+        Command command = new Command();
+        command.setType(CommandType.TASK_EXECUTE_ACK);
+        byte[] body = JsonSerializer.serialize(this);
+        command.setBody(body);
+        return command;
+    }
+
+    @Override
+    public String toString() {
+        return "TaskExecuteAckCommand{" +
+                "taskInstanceId=" + taskInstanceId +
+                ", startTime=" + startTime +
+                ", host='" + host + '\'' +
+                ", status=" + status +
+                ", logPath='" + logPath + '\'' +
+                ", executePath='" + executePath + '\'' +
+                '}';
+    }
+}

dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/command/TaskExecuteRequestCommand.java

-/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */package org.apache.dolphinscheduler.remote.command;
import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
import java.io.Serializable;
/**
 *  execute task request command
 */public class TaskExecuteRequestCommand implements Serializable {

    /**
     *  task execution context
     */
    private String taskExecutionContext;

    public String getTaskExecutionContext() {
        return taskExecutionContext;
    }

    public void setTaskExecutionContext(String taskExecutionContext) {
        this.taskExecutionContext = taskExecutionContext;
    }

    public TaskExecuteRequestCommand() {
    }

    public TaskExecuteRequestCommand(String taskExecutionContext) {
        this.taskExecutionContext = taskExecutionContext;
    }

    /**
     *  package request command
     *
     * @return command
     */
    public Command convert2Command(){
        Command command = new Command();
        command.setType(CommandType.TASK_EXECUTE_REQUEST);
        byte[] body = JsonSerializer.serialize(this);
        command.setBody(body);
        return command;
    }

    @Override
    public String toString() {
        return "TaskExecuteRequestCommand{" +
                "taskExecutionContext='" + taskExecutionContext + '\'' +
                '}';
    }}
\ No newline at end of file
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dolphinscheduler.remote.command;
+
+import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
+
+import java.io.Serializable;
+
+/**
+ *  execute task request command
+ */
+public class TaskExecuteRequestCommand implements Serializable {
+
+    /**
+     *  task execution context
+     */
+    private String taskExecutionContext;
+
+    public String getTaskExecutionContext() {
+        return taskExecutionContext;
+    }
+
+    public void setTaskExecutionContext(String taskExecutionContext) {
+        this.taskExecutionContext = taskExecutionContext;
+    }
+
+    public TaskExecuteRequestCommand() {
+    }
+
+    public TaskExecuteRequestCommand(String taskExecutionContext) {
+        this.taskExecutionContext = taskExecutionContext;
+    }
+
+    /**
+     *  package request command
+     *
+     * @return command
+     */
+    public Command convert2Command(){
+        Command command = new Command();
+        command.setType(CommandType.TASK_EXECUTE_REQUEST);
+        byte[] body = JsonSerializer.serialize(this);
+        command.setBody(body);
+        return command;
+    }
+
+    @Override
+    public String toString() {
+        return "TaskExecuteRequestCommand{" +
+                "taskExecutionContext='" + taskExecutionContext + '\'' +
+                '}';
+    }
+}

dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/command/TaskExecuteResponseCommand.java

-/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */package org.apache.dolphinscheduler.remote.command;
import com.fasterxml.jackson.annotation.JsonFormat;import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
import java.io.Serializable;import java.util.Date;
/**
 *  execute task response command
 */public class TaskExecuteResponseCommand implements Serializable {


    public TaskExecuteResponseCommand() {
    }

    public TaskExecuteResponseCommand(int taskInstanceId) {
        this.taskInstanceId = taskInstanceId;
    }

    /**
     *  task instance id
     */
    private int taskInstanceId;

    /**
     *  status
     */
    private int status;


    /**
     *  end time
     */
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
    private Date endTime;


    /**
     * processId
     */
    private int processId;

    /**
     * appIds
     */
    private String appIds;


    public int getTaskInstanceId() {
        return taskInstanceId;
    }

    public void setTaskInstanceId(int taskInstanceId) {
        this.taskInstanceId = taskInstanceId;
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public Date getEndTime() {
        return endTime;
    }

    public void setEndTime(Date endTime) {
        this.endTime = endTime;
    }

    public int getProcessId() {
        return processId;
    }

    public void setProcessId(int processId) {
        this.processId = processId;
    }

    public String getAppIds() {
        return appIds;
    }

    public void setAppIds(String appIds) {
        this.appIds = appIds;
    }

    /**
     * package response command
     * @return command
     */
    public Command convert2Command(){
        Command command = new Command();
        command.setType(CommandType.TASK_EXECUTE_RESPONSE);
        byte[] body = JsonSerializer.serialize(this);
        command.setBody(body);
        return command;
    }

    @Override
    public String toString() {
        return "TaskExecuteResponseCommand{" +
                "taskInstanceId=" + taskInstanceId +
                ", status=" + status +
                ", endTime=" + endTime +
                ", processId=" + processId +
                ", appIds='" + appIds + '\'' +
                '}';
    }}
\ No newline at end of file
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.dolphinscheduler.remote.command;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import org.apache.dolphinscheduler.remote.utils.JsonSerializer;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ *  execute task response command
+ */
+public class TaskExecuteResponseCommand implements Serializable {
+
+
+    public TaskExecuteResponseCommand() {
+    }
+
+    public TaskExecuteResponseCommand(int taskInstanceId) {
+        this.taskInstanceId = taskInstanceId;
+    }
+
+    /**
+     *  task instance id
+     */
+    private int taskInstanceId;
+
+    /**
+     *  status
+     */
+    private int status;
+
+
+    /**
+     *  end time
+     */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
+    private Date endTime;
+
+
+    /**
+     * processId
+     */
+    private int processId;
+
+    /**
+     * appIds
+     */
+    private String appIds;
+
+
+    public int getTaskInstanceId() {
+        return taskInstanceId;
+    }
+
+    public void setTaskInstanceId(int taskInstanceId) {
+        this.taskInstanceId = taskInstanceId;
+    }
+
+    public int getStatus() {
+        return status;
+    }
+
+    public void setStatus(int status) {
+        this.status = status;
+    }
+
+    public Date getEndTime() {
+        return endTime;
+    }
+
+    public void setEndTime(Date endTime) {
+        this.endTime = endTime;
+    }
+
+    public int getProcessId() {
+        return processId;
+    }
+
+    public void setProcessId(int processId) {
+        this.processId = processId;
+    }
+
+    public String getAppIds() {
+        return appIds;
+    }
+
+    public void setAppIds(String appIds) {
+        this.appIds = appIds;
+    }
+
+    /**
+     * package response command
+     * @return command
+     */
+    public Command convert2Command(){
+        Command command = new Command();
+        command.setType(CommandType.TASK_EXECUTE_RESPONSE);
+        byte[] body = JsonSerializer.serialize(this);
+        command.setBody(body);
+        return command;
+    }
+
+    @Override
+    public String toString() {
+        return "TaskExecuteResponseCommand{" +
+                "taskInstanceId=" + taskInstanceId +
+                ", status=" + status +
+                ", endTime=" + endTime +
+                ", processId=" + processId +
+                ", appIds='" + appIds + '\'' +
+                '}';
+    }
+}

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/TaskExecuteThread.java

@@ -153,8 +153,7 @@ public class TaskExecuteThread implements Runnable {
         // global params string
         String globalParamsStr = taskExecutionContext.getGlobalParams();
         if (globalParamsStr != null) {
-            List<Property> globalParamsList = new ArrayList<>();
-            globalParamsList = JSONUtils.toList(globalParamsStr, Property.class);
+            List<Property> globalParamsList = JSONUtils.toList(globalParamsStr, Property.class);
             globalParamsMap.putAll(globalParamsList.stream().collect(Collectors.toMap(Property::getProp, Property::getValue)));
         }
         return globalParamsMap;

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

@@ -207,14 +207,13 @@ public class ProcessService {
 
         if(cmdTypeMap.containsKey(commandType)){
             ObjectNode cmdParamObj = JSONUtils.parseObject(command.getCommandParam());
-            ObjectNode tempObj;
             int processInstanceId = cmdParamObj.path(CMDPARAM_RECOVER_PROCESS_ID_STRING).asInt();
 
             List<Command> commands = commandMapper.selectList(null);
             // for all commands
             for (Command tmpCommand:commands){
                 if(cmdTypeMap.containsKey(tmpCommand.getCommandType())){
-                    tempObj = JSONUtils.parseObject(tmpCommand.getCommandParam());
+                    ObjectNode tempObj = JSONUtils.parseObject(tmpCommand.getCommandParam());
                     if(tempObj != null && processInstanceId == tempObj.path(CMDPARAM_RECOVER_PROCESS_ID_STRING).asInt()){
                         isNeedCreate = false;
                         break;