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https://issues.apache.org/jira/browse/CXF-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12609184#action_12609184
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Sergey Beryozkin commented on CXF-1675:
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This is fixed in my snapshot. I hope to see it merged this week
> @QueryParam is not following reference javadoc for primitive types
> ------------------------------------------------------------------
>
> Key: CXF-1675
> URL: https://issues.apache.org/jira/browse/CXF-1675
> Project: CXF
> Issue Type: Bug
> Components: REST
> Affects Versions: 2.1.2
> Reporter: Joe Sunday
>
> The reference javadoc for @DefaultValue states:
> If this annotation is not used and the corresponding metadata is not present
> in the request, the value will be an empty collection for List, Set or
> SortedSet, null for other object types, and the Java-defined default for
> primitive types.
> If @QueryParameter is used with a primitive type, a null pointer exeption is
> thrown rather than setting the parameter to the java-defined default:
> @Path("/update/{id}")
> @GET
> public Result getUpdates(@PathParam("since") long since, @QueryParam("terse")
> boolean terse) { ... }
> org.apache.cxf.interceptor.Fault: null while invoking public
> com.example.Result com.example.Service.getUpdates(long,boolean) with params
> [0, null].
> at
> org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:121)
> at
> org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:113)
> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:98)
> at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:53)
> at
> org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:56)
> at
> org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:37)
> $ curl http://localhost:2259/example/update/0
> <ns1:XMLFault
> xmlns:ns1="http://cxf.apache.org/bindings/xformat";><ns1:faultstring
> xmlns:ns1="http://cxf.apache.org/bindings/xformat";>java.lang.IllegalArgumentException</ns1:faultstring></ns1:XMLFault>
> It seems to ignore @DefaultValue altogether, as the same fault happens if the
> method is changed to:
> public Result getUpdates(@PathParam("since") long since, @QueryParam("terse")
> @DefaultValue("false") boolean terse) { ... }
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