Description
When StaxUtils.copy is used with an XMLStreamReader created from a DOM tree containing a comment node, it will fail with a NullPointerException:
java.lang.NullPointerException
at com.ctc.wstx.sw.BufferingXmlWriter.verifyCommentContent(BufferingXmlWriter.java:1467)
at com.ctc.wstx.sw.BufferingXmlWriter.writeComment(BufferingXmlWriter.java:591)
at com.ctc.wstx.sw.BaseStreamWriter.writeComment(BaseStreamWriter.java:513)
at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:477)
at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:452)
Note that this only occurs with a pure DOM implementation, not with SAAJ. The reason is that in SAAJ, a comment node also implements org.w3c.dom.Text.
A test case can be found in attachment. The issue occurs with current trunk (r1004461).