[jira] [Resolved] (CAMEL-7069) Sending an empty soap body message to a generic provider camel-cxf consumer results in NPE

["Aki Yoshida (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-7069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aki Yoshida resolved CAMEL-7069.
--------------------------------

    Resolution: Fixed

> Sending an empty soap body message to a generic provider camel-cxf consumer results in NPE
> ------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-7069
>                 URL: https://issues.apache.org/jira/browse/CAMEL-7069
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-cxf
>    Affects Versions: 2.12.2
>            Reporter: Aki Yoshida
>            Assignee: Aki Yoshida
>
> In some cases, CXFPayload is instantiated with a null body and this is causing an NPE later in the processing.
> Caused by: java.lang.NullPointerException
> 	at org.apache.camel.component.cxf.CxfPayload$1.size(CxfPayload.java:105)
> 	at org.apache.camel.component.cxf.converter.NodeListWrapper.getLength(NodeListWrapper.java:33)
> 	at org.apache.camel.converter.jaxp.DomConverter.toString(DomConverter.java:69)
> 	at org.apache.camel.converter.jaxp.DomConverter.toByteArray(DomConverter.java:142)
> 	at org.apache.camel.converter.jaxp.DomConverter.toInputStream(DomConverter.java:137)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> What is not sure is how we should fix it.
> CXFPayload is not checking whether the body is null when it is instantiated. In that case, some methods will lead to NPE but some are not (like getBodySources() or getHeaders()). And there are some test cases passing a null body.
> So I think, we should either 
> 1. change CXFPayload to automatically creates an empty body (i.e., an empty List<Source>) when the body passed to the constructor is null, or
> 2. add this null->empty handling in DefaultCXFBinding.getPayloadBodyElements when extracting the body and pass an empty list to the CXFPayload constructor in this case, or
> 3. just throws a specific exception instead of NPE in this particular case.
> In any case, we need to clarify what is the correct usage of CXFPayload.



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