Re: [xml-dev] JAXB SecurtiyException with NamespaceContext

[Kohsuke Kawaguchi <Kohsuke.Kawaguchi@Sun.COM>]

I think you should post to users@jaxb.dev.java.net. Subscribe from 
http://jaxb.dev.java.net/ first.

Ian Jones wrote:
> Hello,
> 
>  
> 
> I'm attempting to use JAXB for the first time and I'm experiencing a couple of 
> problems.  I hope this is a suitable mailing list to post this question to – I 
> have tried the Java Forums with no luck.  However if you think there is a better 
> forum for this question, could you please let me know?  Anyway, here’s my problem:
> 
> I'm able to generate the classes from my XML Schema using the following command:
> 
> c:\jwsdp-1.5\jaxb\bin\xjc.bat -p com.piper.datamanager.config main.xsd
> 
> 
> 
> This generates the expected classes and puts them in the specified package. I 
> have then added the following code to one of my classes to read from an XML file:
> 
>         *try* {
> 
>             JAXBContext context = JAXBContext.newInstance("com.piper.datamanager.config");
> 
>             Unmarshaller unmarshaller = context.createUnmarshaller();
> 
>             DataManager dataManager = (DataManager) unmarshaller.unmarshal(*new* File("D:/eclipse/workspace/dataManager/dataManager.cfg"));
> 
>             logger.info("done");
> 
>         } *catch* (Exception e) {
> 
>             logger.error(e, e);
> 
>         }
> 
> 
> 
> When I run this though, from Eclipse, I get the following error when the first line of the above try block is executed:
> 
> java.lang.SecurityException: *class* "javax.xml.namespace.NamespaceContext"'s signer information does not match signer information of other classes in the same package
> 
>         at java.lang.ClassLoader.checkCerts(ClassLoader.java:611)
> 
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:532)
> 
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
> 
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
> 
>         at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
> 
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
> 
>         at java.security.AccessController.doPrivileged(Native Method)
> 
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
> 
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
> 
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
> 
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
> 
>         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
> 
>         at java.lang.ClassLoader.defineClass0(Native Method)
> 
>         at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
> 
>         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
> 
>         at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
> 
>         at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
> 
>         at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
> 
>         at java.security.AccessController.doPrivileged(Native Method)
> 
>         at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
> 
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
> 
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
> 
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
> 
>         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
> 
>         at java.lang.Class.forName0(Native Method)
> 
>         at java.lang.Class.forName(Class.java:141)
> 
>         at com.piper.datamanager.config.impl.runtime.GrammarInfoFacade.createGrammarInfoFacade(GrammarInfoFacade.java:165)
> 
>         at com.piper.datamanager.config.impl.runtime.DefaultJAXBContextImpl.<init>(DefaultJAXBContextImpl.java:47)
> 
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
> 
>         at com.sun.xml.bind.ContextFactory_1_0_1.createContext(ContextFactory_1_0_1.java:50)
> 
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 
>         at java.lang.reflect.Method.invoke(Method.java:324)
> 
>         at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:96)
> 
>         at javax.xml.bind.ContextFinder.searchcontextPath(ContextFinder.java:229)
> 
>         at javax.xml.bind.ContextFinder.find(ContextFinder.java:149)
> 
>         at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:281)
> 
>         at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:238)
> 
>         at com.piper.datamanager.client.LoginDialog.initialize(LoginDialog.java:99)
> 
>         at com.piper.datamanager.client.LoginDialog.<init>(LoginDialog.java:81)
> 
>         at com.piper.datamanager.Main.main(Main.java:34)
> 
> 
> 
>>From my own investigation into this it seems that this is occurring as I have two jars in my classpath containing the package javax.xml.namespace and they are signed differently. These are jax-qname.jar and namespace..jar. I got both of these jars from my 
> 
> C:\jwsdp-1.5\jwsdp-shared\lib
> 
> directory. I have even tried putting the contents of both jars into one jar but 
> this makes no difference. The application I am writing is a Swing app that also 
> uses JAX-RPC to communicate with a server - I have tried using just one of these 
> jars but both of them are required for my application to run and build.
> 
> Does anyone know how I can fix this problem? Any help will be greatly appreciated.
> 
> Ian.
> 


-- 
Kohsuke Kawaguchi
Sun Microsystems                   kohsuke.kawaguchi@sun.com

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