问题：
tomcat 8 启动时提示
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27-Jun-2016 10:47:39.663 INFO [http-nio-8080-exec-3] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. |
解决：
修改 $catalina_base/conf/logging.properties 增加 org.apache.jasper.servlet.TldScanner.level = FINE 然后重启tomcat 从日志中查看哪些jar 没有tld
然后修改 $catalina_base/conf/catalina.properties 增加 tomcat.util.scan.StandardJarScanFilter.jarsToSkip = ****
参考：
http://blog.csdn.net/yasi_xi/article/details/49642661