java.lang.IllegalArgumentException: Bad date header: ‘Mon, 20 Jul 2015 02:57:15 GMT‘
at weblogic.servlet.internal.ServletRequestImpl.getDateHeader(ServletRequestImpl.java:983)
at javax.servlet.http.HttpServletRequestWrapper.getDateHeader(HttpServletRequestWrapper.java:83)
at uk.ltd.getahead.dwr.impl.FileProcessor.isUpToDate(FileProcessor.java:118)
at uk.ltd.getahead.dwr.impl.FileProcessor.doFile(FileProcessor.java:50)
at uk.ltd.getahead.dwr.impl.DefaultProcessor.handle(DefaultProcessor.java:85)
Truncated. see log file for complete stacktrace
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java.lang.IllegalArgumentException: bad date header解决方法
原文：http://fzumoomu.blog.51cto.com/10413598/1676275