Refactor worker (#1979)

* updates

* move FetchTaskThread logic to WorkerNettyRequestProcessor

* add NettyRemotingClient to scheduler thread

* refactor TaskScheduleThread, add TaskInstanceCallbackService

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

@@ -1 +1 @@
-/*
 * 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;


public enum CommandType {

    /**
     *  roll view log request
     */
    ROLL_VIEW_LOG_REQUEST,

    /**
     *  roll view log response
     */
    ROLL_VIEW_LOG_RESPONSE,

    /**
     * view whole log request
     */
    VIEW_WHOLE_LOG_REQUEST,

    /**
     * view whole log response
     */
    VIEW_WHOLE_LOG_RESPONSE,

    /**
     * get log bytes request
     */
    GET_LOG_BYTES_REQUEST,

    /**
     * get log bytes response
     */
    GET_LOG_BYTES_RESPONSE,


    WORKER_REQUEST,
    MASTER_RESPONSE,

    /**
     * execute task request
     */
    EXECUTE_TASK_REQUEST,

    /**
     * execute task response
     */
    EXECUTE_TASK_RESPONSE,

    /**
     *  ping
     */
    PING,

    /**
     *  pong
     */
    PONG;
}
+/*
 * 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;


public enum CommandType {

    /**
     *  roll view log request
     */
    ROLL_VIEW_LOG_REQUEST,

    /**
     *  roll view log response
     */
    ROLL_VIEW_LOG_RESPONSE,

    /**
     * view whole log request
     */
    VIEW_WHOLE_LOG_REQUEST,

    /**
     * view whole log response
     */
    VIEW_WHOLE_LOG_RESPONSE,

    /**
     * get log bytes request
     */
    GET_LOG_BYTES_REQUEST,

    /**
     * get log bytes response
     */
    GET_LOG_BYTES_RESPONSE,


    WORKER_REQUEST,
    MASTER_RESPONSE,

    /**
     * execute task request
     */
    EXECUTE_TASK_REQUEST,


    /**
     * execute task ack
     */
    EXECUTE_TASK_ACK,
    /**
     * execute task response
     */
    EXECUTE_TASK_RESPONSE,

    /**
     *  ping
     */
    PING,

    /**
     *  pong
     */
    PONG;
}

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

@@ -0,0 +1 @@
+/*
 * 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.FastJsonSerializer;

import java.io.Serializable;
import java.util.Date;

/**
 *  execute task request command
 */
public class ExecuteTaskAckCommand implements Serializable {

    private int taskInstanceId;

    private Date startTime;

    private String host;

    private int status;

    private String logPath;

    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(long opaque){
        Command command = new Command(opaque);
        command.setType(CommandType.EXECUTE_TASK_ACK);
        byte[] body = FastJsonSerializer.serialize(this);
        command.setBody(body);
        return command;
    }
}

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

@@ -1 +1 @@
-/*
 * 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.FastJsonSerializer;

import java.io.Serializable;
import java.util.concurrent.atomic.AtomicLong;

/**
 *  execute task response command
 */
public class ExecuteTaskResponseCommand implements Serializable {

    /**
     *  task id
     */
concurrent.atomic.AtomicLong;

    /**
concurrent.atomic.AtomicLong;
concurrent.atomic.AtomicLong;
     */
concurrent.atomic.AtomicLong;


    /**
concurrent.atomic.AtomicLong;
/**
     */
concurrent.atomic.AtomicLong;
 *  execute task response command

    /**
concurrent.atomic.AtomicLong;
 */
     */
concurrent.atomic.AtomicLong;
public class ExecuteTaskResponseCommand implements Serializable {

    /**
     *  execute count
     */
concurrent.atomic.AtomicLong;
     *  task id

    /**
     *  execute time
     */
    private long executeTime;

    public String getAttemptId() {
        return attemptId;
    }


 *  execute task response command

 */

/**


public class ExecuteTaskResponseCommand implements Serializable {

    /**
    }

    public void setTaskId(String taskId) {
        this.taskId = taskId;
    }

/**
        return result;

/**

    public void setResult(Object result) {
        this.result = result;
    }

/**
 *  execute task response command
/**
 */
    }

/**
public class ExecuteTaskResponseCommand implements Serializable {
/**
    /**
    }

/**
     *  task id
/**
     */
    }

 *  execute task response command
 *  execute task response command
concurrent.atomic.AtomicLong;
    }

    public long getExecuteTime() {
 *  execute task response command
/**

/**

 *  execute task response command
 *  execute task response command
 *  execute task response command
 */
    }

 *  execute task response command
public class ExecuteTaskResponseCommand implements Serializable {
        Command command = new Command();
 *  execute task response command
     *  task id
        byte[] body = FastJsonSerializer.serialize(this);
 */
        return command;
    }
}
+/*
 * 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.FastJsonSerializer;

import java.io.Serializable;
import java.util. */
/**
 */
 *  execute task response command
 */
 */
 */
public class ExecuteTaskResponseCommand implements Serializable {
 */
    /**
 */
     *  task id


 */
     */
public class ExecuteTaskResponseCommand implements Serializable {

public class ExecuteTaskResponseCommand implements Serializable {
concurrent.atomic.AtomicLong;
public class ExecuteTaskResponseCommand implements Serializable {

    }

public class ExecuteTaskResponseCommand implements Serializable {
/**
public class ExecuteTaskResponseCommand implements Serializable {
 *  execute task response command
     */
    private int taskInstanceId;
 */
 *  execute task response command
    /**
public class ExecuteTaskResponseCommand implements Serializable {
    /**
     */
public class ExecuteTaskResponseCommand implements Serializable {
     *  task id
 */
 *  execute task response command
 */
 *  execute task response command
public class ExecuteTaskResponseCommand implements Serializable {
/**
     *  end time
public class ExecuteTaskResponseCommand implements Serializable {
 */
    /**


    public int getTaskInstanceId() {
    /**

public class ExecuteTaskResponseCommand implements Serializable {

    /**
/**
public class ExecuteTaskResponseCommand implements Serializable {

    }

    /**
 *  execute task response command
    /**
 */
    }

    /**
public class ExecuteTaskResponseCommand implements Serializable {
    /**
    /**
    }

    /**
     *  task id
    /**
     */
public class ExecuteTaskResponseCommand implements Serializable {
 */
 *  execute task response command
    public void setEndTime(Date endTime) {
        this.endTime = endTime;
    }
 */
 *  execute task response command
     *  task id

     *  task id
/**
     *  task id
 *  execute task response command
     *  task id
 */
     *  task id
public class ExecuteTaskResponseCommand implements Serializable {
     *  task id
    /**
public class ExecuteTaskResponseCommand implements Serializable {

}

dolphinscheduler-remote/src/main/java/org/apache/dolphinscheduler/remote/utils/Pair.java

@@ -50,4 +50,8 @@ public class Pair<L, R> {
     public void setRight(R right) {
         this.right = right;
     }
+
+    public static <L, R> Pair of(L left, R right){
+        return new Pair(left, right);
+    }
 }

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/processor/CallbackChannel.java

@@ -0,0 +1,49 @@
+/*
+ * 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.server.worker.processor;
+
+import io.netty.channel.Channel;
+
+
+public class CallbackChannel {
+
+    private Channel channel;
+
+    private long opaque;
+
+    public CallbackChannel(Channel channel, long opaque) {
+        this.channel = channel;
+        this.opaque = opaque;
+    }
+
+    public Channel getChannel() {
+        return channel;
+    }
+
+    public void setChannel(Channel channel) {
+        this.channel = channel;
+    }
+
+    public long getOpaque() {
+        return opaque;
+    }
+
+    public void setOpaque(long opaque) {
+        this.opaque = opaque;
+    }
+}

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/processor/TaskInstanceCallbackService.java

@@ -0,0 +1,76 @@
+/*
+ * 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.server.worker.processor;
+
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelFutureListener;
+import org.apache.dolphinscheduler.remote.command.ExecuteTaskAckCommand;
+import org.apache.dolphinscheduler.remote.command.ExecuteTaskResponseCommand;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+public class TaskInstanceCallbackService {
+
+    private static final ConcurrentHashMap<Integer, CallbackChannel> CALL_BACK_CHANNELS = new ConcurrentHashMap<>();
+
+    public void addCallbackChannel(int taskInstanceId, CallbackChannel channel){
+        CALL_BACK_CHANNELS.put(taskInstanceId, channel);
+    }
+
+    public CallbackChannel getCallbackChannel(int taskInstanceId){
+        CallbackChannel callbackChannel = CALL_BACK_CHANNELS.get(taskInstanceId);
+        if(callbackChannel.getChannel().isActive()){
+            return callbackChannel;
+        }
+        Channel newChannel = createChannel();
+        callbackChannel.setChannel(newChannel);
+        CALL_BACK_CHANNELS.put(taskInstanceId, callbackChannel);
+        return callbackChannel;
+    }
+
+    public void remove(int taskInstanceId){
+        CALL_BACK_CHANNELS.remove(taskInstanceId);
+    }
+
+    public void sendAck(int taskInstanceId, ExecuteTaskAckCommand ackCommand){
+        CallbackChannel callbackChannel = getCallbackChannel(taskInstanceId);
+        callbackChannel.getChannel().writeAndFlush(ackCommand.convert2Command(callbackChannel.getOpaque()));
+    }
+
+    public void sendResult(int taskInstanceId, ExecuteTaskResponseCommand responseCommand){
+        CallbackChannel callbackChannel = getCallbackChannel(taskInstanceId);
+        callbackChannel.getChannel().writeAndFlush(responseCommand.convert2Command()).addListener(new ChannelFutureListener(){
+
+            @Override
+            public void operationComplete(ChannelFuture future) throws Exception {
+                if(future.isSuccess()){
+                    remove(taskInstanceId);
+                    return;
+                }
+            }
+        });
+    }
+
+    //TODO
+    private Channel createChannel(){
+        return null;
+    }
+
+}

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/processor/WorkerNettyRequestProcessor.java

@@ -51,8 +51,11 @@ public class WorkerNettyRequestProcessor implements NettyRequestProcessor {
 
     private final WorkerConfig workerConfig;
 
+    private final TaskInstanceCallbackService taskInstanceCallbackService;
+
     public WorkerNettyRequestProcessor(ProcessService processService){
         this.processService = processService;
+        this.taskInstanceCallbackService = new TaskInstanceCallbackService();
         this.workerConfig = SpringApplicationContext.getBean(WorkerConfig.class);
         this.workerExecService = ThreadUtils.newDaemonFixedThreadExecutor("Worker-Execute-Thread", workerConfig.getWorkerExecThreads());
     }
@@ -62,6 +65,7 @@ public class WorkerNettyRequestProcessor implements NettyRequestProcessor {
         Preconditions.checkArgument(CommandType.EXECUTE_TASK_REQUEST == command.getType(), String.format("invalid command type : %s", command.getType()));
         logger.debug("received command : {}", command);
         TaskInstance taskInstance = FastJsonSerializer.deserialize(command.getBody(), TaskInstance.class);
+        //TODO 需要干掉，然后移到master里面。
         int userId = taskInstance.getProcessDefine() == null ? 0 : taskInstance.getProcessDefine().getUserId();
         Tenant tenant = processService.getTenantForProcess(taskInstance.getProcessInstance().getTenantId(), userId);
         // verify tenant is null
@@ -73,6 +77,7 @@ public class WorkerNettyRequestProcessor implements NettyRequestProcessor {
         String userQueue = processService.queryUserQueueByProcessInstanceId(taskInstance.getProcessInstanceId());
         taskInstance.getProcessInstance().setQueue(StringUtils.isEmpty(userQueue) ? tenant.getQueue() : userQueue);
         taskInstance.getProcessInstance().setTenantCode(tenant.getTenantCode());
+        //TODO 到这里。
         // local execute path
         String execLocalPath = getExecLocalPath(taskInstance);
         logger.info("task instance  local execute path : {} ", execLocalPath);
@@ -84,7 +89,8 @@ public class WorkerNettyRequestProcessor implements NettyRequestProcessor {
             logger.error(String.format("create execLocalPath : %s", execLocalPath), ex);
         }
         // submit task
-        workerExecService.submit(new TaskScheduleThread(taskInstance, processService));
+        taskInstanceCallbackService.addCallbackChannel(taskInstance.getId(), new CallbackChannel(channel, command.getOpaque()));
+        workerExecService.submit(new TaskScheduleThread(taskInstance, processService, taskInstanceCallbackService));
     }
 
     private boolean verifyTenantIsNull(Tenant tenant, TaskInstance taskInstance) {

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

@@ -24,17 +24,21 @@ import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.AuthorizationType;
 import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
 import org.apache.dolphinscheduler.common.enums.TaskType;
+import org.apache.dolphinscheduler.common.log.TaskLogDiscriminator;
 import org.apache.dolphinscheduler.common.model.TaskNode;
 import org.apache.dolphinscheduler.common.process.Property;
 import org.apache.dolphinscheduler.common.task.AbstractParameters;
 import org.apache.dolphinscheduler.common.task.TaskTimeoutParameter;
 import org.apache.dolphinscheduler.common.utils.CommonUtils;
 import org.apache.dolphinscheduler.common.utils.HadoopUtils;
+import org.apache.dolphinscheduler.common.utils.LoggerUtils;
 import org.apache.dolphinscheduler.common.utils.TaskParametersUtils;
 import org.apache.dolphinscheduler.dao.entity.ProcessInstance;
 import org.apache.dolphinscheduler.dao.entity.TaskInstance;
-import org.apache.dolphinscheduler.common.utils.LoggerUtils;
-import org.apache.dolphinscheduler.common.log.TaskLogDiscriminator;
+import org.apache.dolphinscheduler.remote.NettyRemotingClient;
+import org.apache.dolphinscheduler.remote.command.ExecuteTaskAckCommand;
+import org.apache.dolphinscheduler.remote.command.ExecuteTaskResponseCommand;
+import org.apache.dolphinscheduler.server.worker.processor.TaskInstanceCallbackService;
 import org.apache.dolphinscheduler.server.worker.task.AbstractTask;
 import org.apache.dolphinscheduler.server.worker.task.TaskManager;
 import org.apache.dolphinscheduler.server.worker.task.TaskProps;
@@ -73,23 +77,32 @@ public class TaskScheduleThread implements Runnable {
      */
     private AbstractTask task;
 
+    /**
+     *  task instance callback service
+     */
+    private TaskInstanceCallbackService taskInstanceCallbackService;
+
     /**
      * constructor
      *
      * @param taskInstance  task instance
      * @param processService    process dao
      */
-    public TaskScheduleThread(TaskInstance taskInstance, ProcessService processService){
+    public TaskScheduleThread(TaskInstance taskInstance, ProcessService processService, TaskInstanceCallbackService taskInstanceCallbackService){
         this.processService = processService;
         this.taskInstance = taskInstance;
+        this.taskInstanceCallbackService = taskInstanceCallbackService;
     }
 
     @Override
     public void run() {
 
+        ExecuteTaskResponseCommand responseCommand = new ExecuteTaskResponseCommand(taskInstance.getId());
+
         try {
-            // update task state is running according to task type
-            updateTaskState(taskInstance.getTaskType());
+            // tell master that task is in executing
+            ExecuteTaskAckCommand ackCommand = buildAckCommand(taskInstance.getTaskType());
+            taskInstanceCallbackService.sendAck(taskInstance.getId(), ackCommand);
 
             logger.info("script path : {}", taskInstance.getExecutePath());
             // task node
@@ -148,22 +161,21 @@ public class TaskScheduleThread implements Runnable {
             // task result process
             task.after();
 
+            //
+            responseCommand.setStatus(task.getExitStatus().getCode());
+            responseCommand.setEndTime(new Date());
+            logger.info("task instance id : {},task final status : {}", taskInstance.getId(), task.getExitStatus());
+
         }catch (Exception e){
             logger.error("task scheduler failure", e);
             kill();
-            // update task instance state
-            processService.changeTaskState(ExecutionStatus.FAILURE,
-                    new Date(),
-                    taskInstance.getId());
+            responseCommand.setStatus(ExecutionStatus.FAILURE.getCode());
+            responseCommand.setEndTime(new Date());
+
+        } finally {
+            taskInstanceCallbackService.sendResult(taskInstance.getId(), responseCommand);
         }
 
-        logger.info("task instance id : {},task final status : {}",
-                taskInstance.getId(),
-                task.getExitStatus());
-        // update task instance state
-        processService.changeTaskState(task.getExitStatus(),
-                new Date(),
-                taskInstance.getId());
     }
 
     /**
@@ -182,29 +194,22 @@ public class TaskScheduleThread implements Runnable {
         }
         return globalParamsMap;
     }
-
     /**
-     *  update task state according to task type
+     *  build ack command
      * @param taskType
      */
-    private void updateTaskState(String taskType) {
-        // update task status is running
-        if(taskType.equals(TaskType.SQL.name())  ||
-                taskType.equals(TaskType.PROCEDURE.name())){
-            processService.changeTaskState(ExecutionStatus.RUNNING_EXEUTION,
-                    taskInstance.getStartTime(),
-                    taskInstance.getHost(),
-                    null,
-                    getTaskLogPath(),
-                    taskInstance.getId());
+    private ExecuteTaskAckCommand buildAckCommand(String taskType) {
+        ExecuteTaskAckCommand ackCommand = new ExecuteTaskAckCommand();
+        ackCommand.setStatus(ExecutionStatus.RUNNING_EXEUTION.getCode());
+        ackCommand.setLogPath(getTaskLogPath());
+        ackCommand.setHost("localhost");
+        ackCommand.setStartTime(new Date());
+        if(taskType.equals(TaskType.SQL.name()) || taskType.equals(TaskType.PROCEDURE.name())){
+            ackCommand.setExecutePath(null);
         }else{
-            processService.changeTaskState(ExecutionStatus.RUNNING_EXEUTION,
-                    taskInstance.getStartTime(),
-                    taskInstance.getHost(),
-                    taskInstance.getExecutePath(),
-                    getTaskLogPath(),
-                    taskInstance.getId());
+            ackCommand.setExecutePath(taskInstance.getExecutePath());
         }
+        return ackCommand;
     }
 
     /**