Access to DTDs blocked from Java

While parsing an XML file, I discovered that blocks requests to certain resources originating from the Java program, identified by the User-Agent. If your XML refers to DTDs, you might see an error like this: [ Server returned HTTP response code: 500 for URL:].

This is a known issue. The URLs have been deliberately blocked by due to ‘abusive’ use by Java programs.

Java Expiry Date header

Read how to set expiry date HTTP Header in Java webapps via configuration file without writing any code. This article shows you how to speed up your Java webapp by setting optimal expiration dates on your Java web pages.

Cache Java webapps with Squid Reverse Proxy

This article shows you step by step how to cache your entire tomcat web application using Squid reverse Proxy without writing any java code. Cache your entire website as static HTML files stored in memory or disk. This technique is useful to when dynamically generated pages in Java are time and CPU intensive. Ideal scenario is when there are high number of reads and few writes. Caution: do not use this approach to cache secure pages. Read article for full details.

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