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Posted to issues@cxf.apache.org by "Einar Valen (JIRA)" <ji...@apache.org> on 2010/03/22 14:09:27 UTC

[jira] Updated: (CXF-2726) UnsupportedOperationException in WadlGenerator.handleRequest

     [ https://issues.apache.org/jira/browse/CXF-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Einar Valen updated CXF-2726:
-----------------------------

    Description: 
UnsupportedOperationException in WadlGenerator.handleRequest


Caused by: java.lang.UnsupportedOperationException
        at java.util.AbstractCollection.add(AbstractCollection.java:221)
        at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
        at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)
        at org.apache.cxf.jaxrs.impl.RequestPreprocessor.checkMetadataRequest(RequestPreprocessor.java:164)
        at org.apache.cxf.jaxrs.impl.RequestPreprocessor.preprocess(RequestPreprocessor.java:74)
        at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:87)
        at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:63)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)

Looking at the sources :
        
org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)

public Response handleRequest(Message m, ClassResourceInfo resource) {
...
Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
JAXBContext context = createJaxbContext(jaxbTypes);
...
}

at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)

private JAXBContext createJaxbContext(Set<Class<?>> classes) {
...
JAXBUtils.scanPackages(classes, null);
...
}

at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)

public static void scanPackages(Set<Class<?>> classes, Map<Package, CachedClass> objectFactoryCache) {
...
classes.addAll(objectFactories);
...
}


The classes variable passed to scanPackages appears to be immutable, and eventually fails with an UnsupportedOperationException.
A quick suggestion to a fix: 
Modify the line in WadlGenerator.handleRequest() that reads
Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
to
Set<Class<?>> jaxbTypes = new HashSet( ResourceUtils.getAllRequestResponseTypes(cris, true).keySet() );
		}

                
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
        	
        	private JAXBContext createJaxbContext(Set<Class<?>> classes) {

		UnsupportedOperationException in WadlGenerator.handleRequest	
                 ...
			JAXBUtils.scanPackages(classes, null);
			...
		}

        at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
        	
        	public static void scanPackages(Set<Class<?>> classes, Map<Package, CachedClass> objectFactoryCache) {
        		...
        		classes.addAll(objectFactories);
        		...
        	}
        	
        	
The classes variable passed to scanPackages appears to be immutable, and eventually fails with an UnsupportedOperationException.
A quick suggestion to a fix: 
Modify the line in WadlGenerator.handleRequest() that reads
Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
to
Set<Class<?>> jaxbTypes = new HashSet( ResourceUtils.getAllRequestResponseTypes(cris, true).keySet() );


  was:
UnsupportedOperationException in WadlGenerator.handleRequest

Stack trace:

Caused by: java.lang.UnsupportedOperationException
        at java.util.AbstractCollection.add(AbstractCollection.java:221)
        at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
        at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)
        at org.apache.cxf.jaxrs.impl.RequestPreprocessor.checkMetadataRequest(RequestPreprocessor.java:164)
        at org.apache.cxf.jaxrs.impl.RequestPreprocessor.preprocess(RequestPreprocessor.java:74)
        at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:87)
        at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:63)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)

        Looking at the sources reveals this:

        org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)
        
		public Response handleRequest(Message m, ClassResourceInfo resource) {
			...
			Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
			JAXBContext context = createJaxbContext(jaxbTypes);
			...
		}
                
        at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
        	
        	private JAXBContext createJaxbContext(Set<Class<?>> classes) {
		UnsupportedOperationException in WadlGenerator.handleRequest	...
			JAXBUtils.scanPackages(classes, null);
			...
		}

        at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
        	
        	public static void scanPackages(Set<Class<?>> classes, Map<Package, CachedClass> objectFactoryCache) {
        		...
        		classes.addAll(objectFactories);
        		...
        	}
        	
        	
The classes variable passed to scanPackages appears to be immutable, and eventually fails with an UnsupportedOperationException.
A quick suggestion to a fix: 
Modify the line in WadlGenerator.handleRequest() that reads
Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
to
Set<Class<?>> jaxbTypes = new HashSet( ResourceUtils.getAllRequestResponseTypes(cris, true).keySet() );



> UnsupportedOperationException in WadlGenerator.handleRequest
> ------------------------------------------------------------
>
>                 Key: CXF-2726
>                 URL: https://issues.apache.org/jira/browse/CXF-2726
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 2.2.5
>         Environment: CXF 2.2.5
> on Suse 10 (I think)
> oracle@altweb01:~> uname -s
> Linux
> oracle@altweb01:~> uname -r
> 2.6.5-7.244-smp
> oracle@altweb01:~> uname -i
> x86_64
> oracle@altweb01:~> uname -o
> GNU/Linux
>            Reporter: Einar Valen
>            Priority: Minor
>
> UnsupportedOperationException in WadlGenerator.handleRequest
> Caused by: java.lang.UnsupportedOperationException
>         at java.util.AbstractCollection.add(AbstractCollection.java:221)
>         at java.util.AbstractCollection.addAll(AbstractCollection.java:305)
>         at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
>         at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
>         at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)
>         at org.apache.cxf.jaxrs.impl.RequestPreprocessor.checkMetadataRequest(RequestPreprocessor.java:164)
>         at org.apache.cxf.jaxrs.impl.RequestPreprocessor.preprocess(RequestPreprocessor.java:74)
>         at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:87)
>         at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:63)
>         at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:236)
> Looking at the sources :
>         
> org.apache.cxf.jaxrs.model.wadl.WadlGenerator.handleRequest(WadlGenerator.java:123)
> public Response handleRequest(Message m, ClassResourceInfo resource) {
> ...
> Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
> JAXBContext context = createJaxbContext(jaxbTypes);
> ...
> }
> at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
> private JAXBContext createJaxbContext(Set<Class<?>> classes) {
> ...
> JAXBUtils.scanPackages(classes, null);
> ...
> }
> at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
> public static void scanPackages(Set<Class<?>> classes, Map<Package, CachedClass> objectFactoryCache) {
> ...
> classes.addAll(objectFactories);
> ...
> }
> The classes variable passed to scanPackages appears to be immutable, and eventually fails with an UnsupportedOperationException.
> A quick suggestion to a fix: 
> Modify the line in WadlGenerator.handleRequest() that reads
> Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
> to
> Set<Class<?>> jaxbTypes = new HashSet( ResourceUtils.getAllRequestResponseTypes(cris, true).keySet() );
> 		}
>                 
>         at org.apache.cxf.jaxrs.model.wadl.WadlGenerator.createJaxbContext(WadlGenerator.java:498)
>         	
>         	private JAXBContext createJaxbContext(Set<Class<?>> classes) {
> 		UnsupportedOperationException in WadlGenerator.handleRequest	
>                  ...
> 			JAXBUtils.scanPackages(classes, null);
> 			...
> 		}
>         at org.apache.cxf.jaxb.JAXBUtils.scanPackages(JAXBUtils.java:811)
>         	
>         	public static void scanPackages(Set<Class<?>> classes, Map<Package, CachedClass> objectFactoryCache) {
>         		...
>         		classes.addAll(objectFactories);
>         		...
>         	}
>         	
>         	
> The classes variable passed to scanPackages appears to be immutable, and eventually fails with an UnsupportedOperationException.
> A quick suggestion to a fix: 
> Modify the line in WadlGenerator.handleRequest() that reads
> Set<Class<?>> jaxbTypes = ResourceUtils.getAllRequestResponseTypes(cris, true).keySet();
> to
> Set<Class<?>> jaxbTypes = new HashSet( ResourceUtils.getAllRequestResponseTypes(cris, true).keySet() );

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