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【问题描述】
Tomcat 在启动过程中加载众多 jar 文件,默认会对其做 TLDs 扫描,{CATALINA-HOME}/logs/catalina.xxxx-xx-xx.log (xxxx-xx-xx 形如 2015-11-03)文件中会出现大量下面的 log:- 04-Nov-2015 07:50:06.372 INFO [localhost-startStop-1] 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.
【操作】
以下 tomcat 均指的是的 tomcat的目录 1)编辑 tomcat/conf/logging.properties 文件,在文件末尾添加:- org.apache.jasper.servlet.TldScanner.level = FINE
- 04-Nov-2015 07:54:36.941 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 1032825 ms
- egrep "No TLD files were found in \[file:[^\]+\]" /www/server/tomcat/logs/catalina.out -o | egrep "[^]/]+.jar" -o | sort | uniq | sed -e 's/.jar/.jar,\\/g' > skips.txt
- activation-1.1.1.jar,\
- aopalliance-1.0.jar,\
- apiguardian-api-1.0.0.jar,\
- bcprov-jdk15-1.45.jar,\
- c3p0-0.9.2.1.jar,\
- cxf-api-2.3.1.jar,\
- cxf-common-schemas-2.3.1.jar,\
- cxf-common-utilities-2.3.1.jar,\
- cxf-rt-bindings-soap-2.3.1.jar,\
- cxf-rt-bindings-xml-2.3.1.jar,\
- cxf-rt-core-2.3.1.jar,\
- cxf-rt-databinding-jaxb-2.3.1.jar,\
- cxf-rt-frontend-jaxws-2.3.1.jar,\
- cxf-rt-frontend-simple-2.3.1.jar,\
- cxf-rt-transports-http-2.3.1.jar,\
- cxf-rt-ws-addr-2.3.1.jar,\
- cxf-rt-ws-security-2.3.1.jar,\
- cxf-tools-common-2.3.1.jar,\
- druid-1.0.16.jar,\
- geronimo-javamail_1.4_spec-1.7.1.jar,\
- jackson-annotations-2.9.0.jar,\
- jackson-core-2.9.0.jar,\
- jackson-databind-2.9.0.jar,\
- javax.servlet.jsp-api-2.3.1.jar,\
- jaxb-impl-2.1.13.jar,\
- json-20170516.jar,\
- jstl-1.1.2.jar,\
- mchange-commons-java-0.2.3.4.jar,\
- mybatis-3.4.0.jar,\
- mybatis-spring-1.3.0.jar,\
- mysql-connector-java-5.1.30.jar,\
- neethi-2.0.4.jar,\
- opentest4j-1.0.0.jar,\
- serializer-2.7.1.jar,\
- spring-aop-4.2.0.RELEASE.jar,\
- spring-aspects-4.2.0.RELEASE.jar,\
- spring-beans-4.2.0.RELEASE.jar,\
- spring-context-4.2.0.RELEASE.jar,\
- spring-context-support-4.2.0.RELEASE.jar,\
- spring-core-4.2.0.RELEASE.jar,\
- spring-expression-4.2.0.RELEASE.jar,\
- spring-jdbc-4.2.0.RELEASE.jar,\
- spring-test-4.2.0.RELEASE.jar,\
- spring-tx-4.2.0.RELEASE.jar,\
- spring-web-4.2.0.RELEASE.jar,\
- stax2-api-3.0.2.jar,\
- woodstox-core-asl-4.0.8.jar,\
- wss4j-1.5.10.jar,\
- xalan-2.7.1.jar,\
- xml-resolver-1.2.jar,\
- XmlSchema-1.4.7.jar,\
- xmlsec-1.4.4.jar,\
- org.apache.jasper.servlet.TldScanner.level = FINE
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