tomcat - prefix="c" uri="http://java.sun.com/jsp/jstl/core"

Question

org.apache.jasper.JasperException: /WEB-INF/views/modules/sys/login.jsp(2,0) /WEB-INF/views/include/taglib.jsp(1,62) Unable to read TLD "META-INF/c.tld" from JAR file "file:/D:/tool/dev/tomcat/apache-tomcat-6.0.45-windows-x64/apache-tomcat-6.0.45/webapps/icolor/WEB-INF/lib/javax.servlet.jsp.jstl-1.2.2.jar": org.apache.jasper.JasperException: Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV

在tomcat7中可以解析 tomcat6就报错

Answer 1

The different classLoaders lead to different jar packages referenced by 6 and 7. You can use 6 and 7 respectively to see if the referenced jar package versions are the same.