Ibatis xml configuration file annotation causes errors and Solutions

Recently, when using the ibatis component for a project development, the following error message is displayed:

Type exception report

Message

Description the server encountered an internal error () and the request could not be completed.

Exception

Javax. servlet. servletexception: Root Cause of Java. Lang. exceptionininitializererror

Root Cause of Java. Lang. exceptionininitializererror

Java. lang. runtimeexception: error occurred. cause: COM. ibatis. common. XML. nodeletexception: Error parsing XML. cause: Java. lang. runtimeexception: Error parsing XPath '/sqlmapconfig/sqlmap '. cause: COM. ibatis. common. XML. nodeletexception: Error parsing XML. cause: Org. XML. sax. saxparseexception: the string "--" is not permitted within comments. root Cause

Com. ibatis. common. XML. nodeletexception: Error parsing XML. cause: Java. lang. runtimeexception: Error parsing XPath '/sqlmapconfig/sqlmap '. cause: COM. ibatis. common. XML. nodeletexception: Error parsing XML. cause: Org. XML. sax. saxparseexception: the string "--" is not permitted within comments. root Cause

Java. lang. runtimeexception: Error parsing XPath '/sqlmapconfig/sqlmap '. cause: COM. ibatis. common. XML. nodeletexception: Error parsing XML. cause: Org. XML. sax. saxparseexception: the string "--" is not permitted within comments. root Cause

Com. ibatis. Common. xml. nodeletexception: Error parsing XML. Cause: org. xml. Sax. saxparseexception: the string "--" is not permitted within comments. Root Cause

Org. xml. Sax. saxparseexception: the string "--" is not permitted within comments.

-----------------------------------------------------
The error description shows the exception caused by the comment in the XML file. You can use
Later it was found that the configuration file was used: After the singular Chinese characters or letters were followed by a single Chinese character, and then "-->" was used to end the comment (without spaces after the Chinese characters)
Example: <! -- Singular Chinese -->, <! -- A singular Chinese -->

This exception will be reported
For this exception, you can add spaces on the left and right boundary. This is correct, for example <! -- Chinese annotation -->