[QUESTION] datax-web executer error : Could not find or load main class com.alibaba.datax.core.Engine

[yun81911]

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Describe the question
datax-web job execute task is error. task logs is :

2024-02-08 12:38:50 [JobThread.run-130]
----------- datax-web job execute start -----------
----------- Param:
2024-02-08 12:38:50 [BuildCommand.buildDataXParam-100] ------------------Command parameters:
2024-02-08 12:38:50 [ExecutorJobHandler.execute-57] ------------------DataX process id: 8531
2024-02-08 12:38:50 [ProcessCallbackThread.callbackLog-186]
----------- datax-web job callback finish.
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53]
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53] DataX (DATAX-OPENSOURCE-3.0), From Alibaba !
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53] Copyright (C) 2010-2017, Alibaba Group. All Rights Reserved.
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53]
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53]
2024-02-08 12:38:50 [AnalysisStatistics.analysisStatisticsLog-53] Error: Could not find or load main class com.alibaba.datax.core.Engine
2024-02-08 12:38:50 [JobThread.run-165]
----------- datax-web job execute end(finish) -----------
----------- ReturnT:ReturnT [code=500, msg=command exit value(1) is failed, content=null]
2024-02-08 12:38:50 [TriggerCallbackThread.callbackLog-186]
----------- datax-web job callback finish.

Which version of DataX Web:
datax-web-2.1.2.tar.gz