error parsing a meta element's content: ';' is not a valid key-value pair se

这是一个错误信息，通常出现在 HTML 的 meta 元素中。它的意思是在 meta 元素的内容中出现了无效的键值对分隔符“;”。这可能是由于在键值对之间使用了分号而不是逗号，或者在键或值中包含了不允许的字符。要解决这个问题，需要检查 meta 元素的内容并确保所有键值对都使用正确的分隔符，并且键和值中不包含无效字符。

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Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'courseBaseMapper' defined in file [D:\Users\maxin\IdeaProjects\xuecheng-plus-project148\xuecheng-plus-project148\xuecheng-plus-content\xuecheng-plus-content-service\target\classes\com\xuecheng\content\mapper\CourseBaseMapper.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'com/xuecheng/content/mapper/CourseBaseMapper.xml'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'com.xuecheng.content.model.dto.TeachplanDto'. Cause: java.lang.ClassNotFoundException: Cannot find class: com.xuecheng.content.model.dto.TeachplanDto这是什么错误

这是一个关于Spring框架下bean创建时出现异常的错误，具体原因是在初始化CourseBaseMapper时，解析Mapper XML时出现了错误。错误的具体原因是在解析CourseBaseMapper.xml文件时，解析器无法找到类'com.xuecheng.content.model.dto.TeachplanDto'，导致初始化失败。

train datasets not valid: Descriptors cannot not be created directly. If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0. If you cannot immediately regenerate your protos, some other possible workarounds are: 1. Downgrade the protobuf package to 3.20.x or lower. 2. Set PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python (but this will use pure-Python parsing and will be much slower). More information: https://developers.google.com/protocol-buffers/docs/news/2022-05-06#python-updates 2023-04-20 18:34:06,539 - [ERROR]: failed: TrainFailReason.ERROR_PARAM, datasets not valid: Descriptors cannot not be created directly. If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0. If you cannot immediately regenerate your protos, some other possible workarounds are: 1. Downgrade the protobuf package to 3.20.x or lower. 2. Set PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python (but this will use pure-Python parsing and will be much slower). More information: https://developers.google.com/protocol-buffers/docs/news/2022-05-06#python-updates Exception ignored in: <function Detector.__del__ at 0x7fa39ff51550> Traceback (most recent call last): File "/home/zzh/Desktop/maix_train/train/detector/__init__.py", line 117, in __del__ if self.need_rm_datasets: AttributeError: 'Detector' object has no attribute 'need_rm_datasets'

训练数据集无效：不能直接创建描述符。如果这个调用来自一个_pb2.py文件，你的生成代码已经过期，必须使用protoc >= 3.19.0重新生成。如果你无法立即重新生成你的protos，一些可能的解决方法是：1.将protobuf软件包降级到3.20.x或更低版本。2.设置PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python（但这将使用纯Python解析，速度会慢得多）。更多信息请参见：https://developers.google.com/protocol-buffers/docs/news/2022-05-06。