<property name="namespacePrefixes" ref="namespaceMap" /> causes exception due
to immutable Map being used in JAXBElementProvider
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Key: CXF-3946
URL: https://issues.apache.org/jira/browse/CXF-3946
Project: CXF
Issue Type: Bug
Components: JAX-RS, JAXB Databinding
Affects Versions: 2.5
Reporter: Miguel Martins Feitosa Jr.
Priority: Trivial
I was trying to set a specific namespace prefix for a qualified REST xml.
I configured beans.xml and included package-info.java as below:
@javax.xml.bind.annotation.XmlSchema( namespace=GoldenKey.NS,
elementFormDefault =
javax.xml.bind.annotation.XmlNsForm.QUALIFIED,
attributeFormDefault =
javax.xml.bind.annotation.XmlNsForm.QUALIFIED,
xmlns={@javax.xml.bind.annotation.XmlNs(prefix = GoldenKey.NS_QUALIFIER ,
namespaceURI=GoldenKey.NS)}
)
package com.upmc.tdc.xml;
beans.xml snippets:
<jaxrs:server id="goldenKey_rest" address="/rest">
<jaxrs:serviceBeans>
<ref bean="goldenKey_bean" />
</jaxrs:serviceBeans>
<jaxrs:extensionMappings>
<entry key="json" value="application/json" />
<entry key="xml" value="application/xml" />
</jaxrs:extensionMappings>
<jaxrs:providers>
<ref bean="dateProvider" />
<ref bean="exceptionMapper" />
<ref bean="jaxbProvider" />
</jaxrs:providers>
</jaxrs:server>
<jaxws:endpoint serviceName="GoldenKey" endpointName="GoldenKeyPort"
id="goldenKey_soap" implementor="#goldenKey_bean" address="/soap">
<jaxws:binding>
<soap:soapBinding version="1.2" />
</jaxws:binding>
<jaxws:features>
<bean class="org.apache.cxf.feature.LoggingFeature">
<property name="prettyLogging" value="true" />
</bean>
</jaxws:features>
</jaxws:endpoint>
<bean id="goldenKey_bean" class="com.upmc.tdc.server.GoldenKeyImpl"/>
<bean id="dateProvider"
class="com.upmc.tdc.server.parameterhandler.DateParameterHandler"/>
<bean id="exceptionMapper" class="com.upmc.tdc.exception.ExceptionMapper"/>
<bean id="jaxbProvider"
class="org.apache.cxf.jaxrs.provider.JAXBElementProvider">
<property name="marshallerProperties" ref="propertiesMap" />
<property name="namespacePrefixes" ref="namespaceMap" />
<property name="enableBuffering" value="true" />
</bean>
<util:map id="propertiesMap">
<entry key="jaxb.formatted.output">
<value type="java.lang.Boolean">true</value>
<!-- prints indented XML for REST, useful for testing, can be
disabled for production -->
</entry>
</util:map>
<util:map id="namespaceMap">
<entry key="http://server.tdc.upmc.com/"; value="GoldenKey"/>
</util:map>
This setup throws the following exception:
java.lang.UnsupportedOperationException
at java.util.AbstractMap.put(AbstractMap.java:203)
at java.util.AbstractMap.putAll(AbstractMap.java:273)
at
org.apache.cxf.jaxrs.provider.JAXBElementProvider.marshalCollectionMember(JAXBElementProvider.java:327)
at
org.apache.cxf.jaxrs.provider.JAXBElementProvider.marshalCollection(JAXBElementProvider.java:293)
at
org.apache.cxf.jaxrs.provider.JAXBElementProvider.writeTo(JAXBElementProvider.java:232)
at
org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor.java:257)
at
org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.processResponse(JAXRSOutInterceptor.java:144)
at
org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage(JAXRSOutInterceptor.java:83)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)
<clipped>
Lines 325-330 of JAXBElementProvider.java contain the following code:
if (ns.length() > 0) {
Map<String, String> map = Collections.singletonMap(ns, "ns1");
map.putAll(nsPrefixes);
setNamespaceMapper(ms, map);
}
marshal(obj, cls, genericType, enc, os, mt, ms);
The call Collections.singletonMap(...) is below:
/**
* Returns an immutable map, mapping only the specified key to the
* specified value. The returned map is serializable.
*
* @param key the sole key to be stored in the returned map.
* @param value the value to which the returned map maps <tt>key</tt>.
* @return an immutable map containing only the specified key-value
* mapping.
* @since 1.3
*/
public static <K,V> Map<K,V> singletonMap(K key, V value) {
return new SingletonMap<>(key, value);
}
So it seems that
map.putAll(nsPrefixes);
should fail as it is failing when called because the map is immutable.
In case there are other prefixes to add it seems that the map should be of
another type....
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