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spring boot中xalan引入報錯系統(tǒng)找不到指定的文件原因分析

更新時間：2023年08月14日 15:56:29 作者：wdd668

這篇文章主要介紹了spring boot中xalan引入報錯系統(tǒng)找不到指定的文件,主要原因是內(nèi)嵌的tomcat9.0.36,本文給大家分享最新解決方法,需要的朋友可以參考下

2023-08-11 09:17:30.913  WARN 9664 --- [  restartedMain] o.a.tomcat.util.scan.StandardJarScanner  : Failed to scan [file:/D:/softout/mavenrepo/xalan/xalan/2.7.2/serializer.jar] from classloader hierarchy
java.io.FileNotFoundException: D:\softout\mavenrepo\xalan\xalan\2.7.2\serializer.jar (系統(tǒng)找不到指定的文件。)
	at java.util.zip.ZipFile.open(Native Method) ~[na:1.8.0_251]
	at java.util.zip.ZipFile.<init>(ZipFile.java:225) ~[na:1.8.0_251]
	at java.util.zip.ZipFile.<init>(ZipFile.java:155) ~[na:1.8.0_251]
	at java.util.jar.JarFile.<init>(JarFile.java:167) ~[na:1.8.0_251]
	at java.util.jar.JarFile.<init>(JarFile.java:131) ~[na:1.8.0_251]
	at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:221) ~[tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.JarFileUrlJar.<init>(JarFileUrlJar.java:65) ~[tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:49) ~[tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:383) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.StandardJarScanner.processURLs(StandardJarScanner.java:318) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJarScanner.java:270) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:233) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262) [tomcat-embed-jasper-9.0.36.jar:9.0.36]
	at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:104) [tomcat-embed-jasper-9.0.36.jar:9.0.36]
	at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:83) [tomcat-embed-jasper-9.0.36.jar:9.0.36]
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5128) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) [tomcat-embed-core-9.0.36.jar:9.0.36]
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) [tomcat-embed-core-9.0.36.jar:9.0.36]

spring boot 2.2.8.RELEASE 引入 xalan會報上面的錯加入這個配置

原因內(nèi)嵌的tomcat9.0.36

tomcat在8.5 中修改了加載jar的方式，8.5 版本會解析jar中MANIFEST.MF文件，當該文件包含class-path屬性時，會把該屬性對象值，解析成需要加載的jar給加載進來。

@Bean
public TomcatServletWebServerFactory tomcatFactory(){
    return new TomcatServletWebServerFactory(){
         @Override
         protected void postProcessContext(Context context) {
             ((StandardJarScanner) context.getJarScanner()).setScanManifest(false);
         }
    };
}

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