Caused by: org.xml.sax.SAXParseException
Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; 鍓嶈█涓笉鍏佽鏈夊唴瀹广��
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:400)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1472)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:994)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:841)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:770)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257)
... 90 more
17-May-2021 01:19:19.126 涓ラ噸 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 涓�涓垨澶氫釜listeners鍚姩澶辫触锛屾洿澶氳缁嗕俊鎭煡鐪嬪搴旂殑瀹瑰櫒鏃ュ織鏂囦欢
17-May-2021 01:19:19.129 涓ラ噸 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 鐢变簬涔嬪墠鐨勯敊璇紝Context[/demo]鍚姩澶辫触
[2021-05-17 01:19:19,489] Artifact Library:war exploded: Error during artifact deployment. See server log for details.
解析xml文件失败，xml文件里面含有非法字符，注意有没有中文空格之类的不可见字符。book-servlet.xml检查一下。
设置下编码格式为 utf-8
目前我了解的设置idea编码有两种形式(但深层次不太了解)
方式一:
这个方式需要你点击要设置编码单个文件，选择编码。一次只能修改一个文件编码
方式二:
一般工作时使用这个方式，文件编码，选择项目文件即可。
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