spring boot使用内置tomcat启动的时候报警告

WARN 5796 --- [ost-startStop-1] o.a.tomcat.util.scan.StandardJarScanner  : Failed to scan [file:/C:/Users/Administrator/.m2/repository/com/lowagie/itext/2.0.8/toolbox.jar] from classloader hierarchy

java.io.FileNotFoundException: C:\Users\Administrator\.m2\repository\com\lowagie\itext\2.0.8\toolbox.jar (系统找不到指定的文件。)
	at java.util.zip.ZipFile.open(Native Method)
	at java.util.zip.ZipFile.<init>(ZipFile.java:225)
	at java.util.zip.ZipFile.<init>(ZipFile.java:155)
	at java.util.jar.JarFile.<init>(JarFile.java:166)
	at java.util.jar.JarFile.<init>(JarFile.java:130)
	at org.apache.tomcat.util.scan.JarFileUrlJar.<init>(JarFileUrlJar.java:60)
	at org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:49)
	at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:338)
	at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:288)
	at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262)
	at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:104)
	at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:101)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

解决方法：
删除pom

<!-- 支持jsp -->
		<dependency>
			<groupId>org.apache.tomcat.embed</groupId>
			<artifactId>tomcat-embed-jasper</artifactId>
			<!--使用外部tomcat时需要加上provided-->
			<scope>provided</scope>
		</dependency>