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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. 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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    <p><strong>EDIT : 31/OCT/2014 <a href="https://github.com/restlet/restlet-framework-java/issues/785" rel="nofollow noreferrer">The fix for this is now available</a> in both Restlet 2.2 and master (future 2.3) branches</strong> </p> <p>Our Netbeans Platform Restlet client app runs okay on Java 1.6 but with 1.7.0_11, I get security runtime errors.</p> <p>Is there a easy way to prevent this?</p> <pre><code>WARN org.restlet.log():241 - Unable to unmarshal the XML representation javax.xml.bind.JAXBException: Unable to create customized SAX source - with linked exception: [javax.xml.parsers.ParserConfigurationException: FEATURE_SECURE_PROCESSING: Cannot set the feature to false when security manager is present.] at org.restlet.ext.jaxb.internal.Unmarshaller.unmarshal(Unmarshaller.java:201) at org.restlet.ext.jaxb.JaxbRepresentation.getObject(JaxbRepresentation.java:417) at org.restlet.ext.jaxb.JaxbConverter.toObject(JaxbConverter.java:172) at org.restlet.service.ConverterService.toObject(ConverterService.java:167) at org.restlet.resource.Resource.toObject(Resource.java:828) at org.restlet.engine.resource.ClientInvocationHandler.invoke(ClientInvocationHandler.java:240) &lt;SNIP&gt; Caused by: javax.xml.parsers.ParserConfigurationException: FEATURE_SECURE_PROCESSING: Cannot set the feature to false when security manager is present. at com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl.setFeature(SAXParserFactoryImpl.java:122) at org.restlet.ext.jaxb.internal.Unmarshaller.unmarshal(Unmarshaller.java:190) ... 23 more </code></pre> <p>In both java runtimes, my System.getSecurityManager() is a instance of org.netbeans.TopSecurityManager</p> <h2>EDIT 1</h2> <p>After a bit more research into Restlet source as mentioned in answer from Simon Lehmann I see <code>JaxbConverter.java</code> invokes </p> <pre><code>new JaxbRepresentation&lt;T&gt;(Representation source, Class&lt;T&gt; target).getObject(); </code></pre> <p>Then ...</p> <pre><code>public JaxbRepresentation(Representation xmlRepresentation, Class&lt;T&gt; type) { ...} </code></pre> <p>Then ...</p> <pre><code>public JaxbRepresentation(Representation xmlRepresentation, String contextPath, ValidationEventHandler validationHandler, ClassLoader classLoader) { super((xmlRepresentation == null) ? null : xmlRepresentation .getMediaType()); this.classLoader = classLoader; this.contextPath = contextPath; this.object = null; this.validationEventHandler = validationHandler; this.xmlRepresentation = xmlRepresentation; } </code></pre> <p>In this particular constructor, <code>this.secureProcessing</code> always remains false so later we get errors with Java 7 secure processing feature of the XML parser if there is any security manager present.</p> <p>Not sure if this is a bug in restlet or if I am doing something wrong ?</p> <h2>EDIT 2 (Simple Java 7 app vs one in full app)</h2> <p>I wrote small restlet client test program on 1.7.0_11 which works ok with our server. I am guessing in my full client app that there is something 'bad' in the classpath ?</p> <p>In both the small app and the full app I <a href="https://stackoverflow.com/questions/1798366/how-do-i-find-out-which-jaxp-implementation-is-in-use-and-where-it-was-loaded-fr">print the factories</a> and it is same in both :</p> <pre><code> [exec] DocumentBuilderFactory implementation: com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl loaded from: Java Runtime [exec] XPathFactory implementation: com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl loaded from: Java Runtime [exec] TransformerFactory implementation: com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl loaded from: Java Runtime [exec] SAXParserFactory implementation: com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl loaded from: Java Runtime </code></pre> <p>I switch on extra JAXP logging via System.setProperty("jaxp.debug", "true"); and see it is different in each : </p> <hr> <p>Small working app </p> <pre><code>[junit] JAXP: find factoryId =javax.xml.datatype.DatatypeFactory [junit] JAXP: loaded from fallback value: com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl [junit] JAXP: created new instance of class com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl using ClassLoader: null [junit] JAXP: find factoryId =javax.xml.datatype.DatatypeFactory [junit] JAXP: loaded from fallback value: com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl [junit] JAXP: created new instance of class com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl using ClassLoader: null [junit] JAXP: using thread context class loader (sun.misc.Launcher$AppClassLoader@6c5bdfae) for search [junit] JAXP: Looking up system property 'javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom' [junit] JAXP: The property is undefined. [junit] JAXP: found null in $java.home/jaxp.properties [junit] JAXP: no META-INF/services/javax.xml.xpath.XPathFactory file was found [junit] JAXP: attempting to use the platform default W3C DOM XPath lib [junit] JAXP: createInstance(com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl) [junit] JAXP: loaded com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl from jar:file:/Library/Java/JavaVirtualMachines/jdk1.7.0_11.jdk/Contents/Home/jre/lib/rt.jar!/com/sun/org/apache/xpath/internal/jaxp/XPathFactoryImpl.class [junit] JAXP: factory 'com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl' was found for http://java.sun.com/jaxp/xpath/dom [junit] JAXP: find factoryId =javax.xml.transform.TransformerFactory [junit] JAXP: loaded from fallback value: com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl [junit] JAXP: created new instance of class com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl using ClassLoader: null </code></pre> <hr> <p>Full Netbeans app (failing) </p> <pre><code> [exec] JAXP: using thread context class loader (SystemClassLoader[420 modules]) for search [exec] JAXP: Looking up system property 'javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom' [exec] JAXP: The property is undefined. [exec] JAXP: found null in $java.home/jaxp.properties [exec] JAXP: no META-INF/services/javax.xml.xpath.XPathFactory file was found [exec] JAXP: attempting to use the platform default W3C DOM XPath lib [exec] JAXP: createInstance(com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl) [exec] JAXP: loaded com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl from jar:file:/Library/Java/JavaVirtualMachines/jdk1.7.0_11.jdk/Contents/Home/jre/lib/rt.jar!/com/sun/org/apache/xpath/internal/jaxp/XPathFactoryImpl.class [exec] JAXP: factory 'com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl' was found for http://java.sun.com/jaxp/xpath/dom [exec] JAXP: find factoryId =javax.xml.transform.TransformerFactory [exec] JAXP: found jar resource=META-INF/services/javax.xml.transform.TransformerFactory using ClassLoader: SystemClassLoader[420 modules] [exec] JAXP: loaded from fallback value: com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl [exec] JAXP: created new instance of class com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl using ClassLoader: null </code></pre>
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