No signature of method comaliyunosseventProgressEventgetBytesWritten

This error message indicates that there is no method called "getBytesWritten()" in the class "com.aliyun.oss.event.ProgressEvent". This could be due to a few reasons:

1. The method does not exist in the class: It is possible that the method "getBytesWritten()" does not exist in the class "com.aliyun.oss.event.ProgressEvent". In this case, you may need to use a different method or approach to achieve your desired functionality.

2. Incorrect usage of the method: It is possible that the method "getBytesWritten()" does exist in the class "com.aliyun.oss.event.ProgressEvent", but you are using it incorrectly. Double-check the syntax and parameters you are using to call the method.

3. Compatibility issues: It is possible that the version of the library you are using does not support the method "getBytesWritten()". Check the documentation of the library to see if there are any compatibility issues or version-specific requirements.

To resolve this issue, you can try the following:

1. Check the documentation of the library to ensure that the method "getBytesWritten()" exists and is used correctly.

2. Upgrade to a newer version of the library to ensure compatibility with the method.

3. Use a different method or approach to achieve your desired functionality