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    <p>As it seems, JDK 7 (Oracle as well as OpenJDK/IcedTea) has added a check to prevent disabling the so called <a href="http://jaxp.java.net/1.4/JAXP-Compatibility.html#JAXP_security" rel="nofollow">secure processing feature</a> of the XML parser if there is any security manager present. This feature is meant to prevent denial of service attacks, for example by providing a SOAP message with deeply nested entity definitions. Unfortunately, they have opted to <a href="http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/com/sun/org/apache/xerces/internal/jaxp/SAXParserFactoryImpl.java?av=f#113" rel="nofollow">disable control over this feature in general</a> when a security manager is found instead of allowing you to configure it via <a href="http://docs.oracle.com/javase/7/docs/technotes/guides/security/permissions.html" rel="nofollow">security permissions</a>.</p> <p>However, the <a href="https://github.com/restlet/restlet-framework-java/blob/master/modules/org.restlet.ext.jaxb/src/org/restlet/ext/jaxb/internal/Unmarshaller.java#L190" rel="nofollow">restlet code which tries to set this feature to false</a> is actually using the <a href="https://github.com/restlet/restlet-framework-java/blob/master/modules/org.restlet.ext.jaxb/src/org/restlet/ext/jaxb/JaxbRepresentation.java#L499" rel="nofollow"><code>secureProcessing</code> property of the JaxbRepresentation</a>, which should be set to true by default and thus, should not cause any exception.</p> <p>So the only adivce I could give you is to try updating the restlet library, as maybe the default settings or something else related to this has changed.</p>
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    1. PORestlet client on Java 1.7 xml parse error "FEATURE_SECURE_PROCESSING: Cannot set the feature to false when security manager is present."
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    1. USSimon Lehmann
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    1. COThanks Simon, I am using latest stable Restlet release i.e. 2.1.1; it worked okay with older Restlets on JDK 7 before I think the following change was incorporated https://github.com/restlet/restlet-framework-java/commit/ec692bd3b5e386261413210191b179fec22b6cd2#modules I currently investigating why the JaxbRepresentation's secureProcessing is false for me ...
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      1. USk1eran
    2. CO(FEATURE_SECURE_PROCESSING does more than an attempt at DoS protection.)
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      1. USTom Hawtin - tackline
    3. COWell, ok, it also disables the XPath extension functions, but those have nothing to do with DOM or SAX parsers. To my knowledge, all other effects of secure processing are limitations on the number of things that may be in a document. What other purpose does this have than preventing DoS attacks?
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      1. USSimon Lehmann
 

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