問題：在搭建mybatis時候在測試總是無法通過爆出如下錯誤：java.lang.ExceptionInInitializerError
??

?at com.myit.UserMapperTest.test1(UserMapperTest.java:14)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
?? ?at java.lang.reflect.Method.invoke(Method.java:498)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
?? ?at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
?? ?at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
?? ?at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
?? ?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
?? ?at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
?? ?at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
?? ?at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
?? ?at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
?? ?at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
?? ?at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
?? ?at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221)
?? ?at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
Caused by: org.apache.ibatis.exceptions.PersistenceException:?
### Error building SqlSession.
### Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. ?Cause: org.xml.sax.SAXParseException; lineNumber: 17; columnNumber: 11; 1 字節的 UTF-8 序列的字節 1 無效。
?? ?at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)
?? ?at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:80)
?? ?at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:64)
?? ?at com.myit.utils.MybatisUtil.<clinit>(MybatisUtil.java:16)
?? ?... 26 more
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. ?Cause: org.xml.sax.SAXParseException; lineNumber: 17; columnNumber: 11; 1 字節的 UTF-8 序列的字節 1 無效。
?? ?at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:259)
?? ?at org.apache.ibatis.parsing.XPathParser.<init>(XPathParser.java:125)
?? ?at org.apache.ibatis.builder.xml.XMLConfigBuilder.<init>(XMLConfigBuilder.java:82)
?? ?at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:77)
?? ?... 28 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 17; columnNumber: 11; 1 字節的 UTF-8 序列的字節 1 無效。
?? ?at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:204)
?? ?at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:178)
?? ?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:306)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3156)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:507)
?? ?at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:867)
?? ?at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:796)
?? ?at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:142)
?? ?at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:247)
?? ?at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
?? ?at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257)
?? ?... 31 more
Caused by: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: 1 字節的 UTF-8 序列的字節 1 無效。
?? ?at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:702)
?? ?at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:568)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1895)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.scanData(XMLEntityScanner.java:1375)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLScanner.scanComment(XMLScanner.java:801)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanComment(XMLDocumentFragmentScannerImpl.java:1036)
?? ?at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2984)
?? ?... 39 more

上面錯誤中：

?說出問題的關鍵，在配置文件中使用了中文進行了編輯。

解決方案：

????????刪除中文注釋（成功）

最后成功：

總結

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