CXF users and developers,
https://issues.apache.org/jira/browse/CXF-5231 (and later 
https://issues.apache.org/jira/browse/CXF-5719) changed the way  the exception 
stack trace is encoded and decoded (in resp. AbstractSoapInterceptor and 
ClientFaultConverter). This seems to have introduced coupling between CXF 
versions on the client and server - if the client is upgraded to the version 
having this change before the server, it may experience unexpected exceptions 
of the following sort:

java.lang.NumberFormatException: For input string: "3826
com.company.app.service.SomeServer"
                at 
java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) 
~[na:1.6.0_45]
                at java.lang.Integer.parseInt(Integer.java:458) ~[na:1.6.0_45]
                at java.lang.Integer.parseInt(Integer.java:499) ~[na:1.6.0_45]
                at 
org.apache.cxf.interceptor.ClientFaultConverter.parseStackTrackLine(ClientFaultConverter.java:287)
 ~[cxf-2.7.10.jar:2.7.10]
                at 
org.apache.cxf.interceptor.ClientFaultConverter.setStackTrace(ClientFaultConverter.java:249)
 ~[cxf-2.7.10.jar:2.7.10]
                at 
org.apache.cxf.interceptor.ClientFaultConverter.handleMessage(ClientFaultConverter.java:79)
 ~[cxf-2.7.10.jar:2.7.10]
                ...

because Message.EXCEPTION_CAUSE_SUFFIX rather than "\n" is considered stack 
trace line separator now.

Did anybody encountered this before? Is there any recommended solution, other 
than dropping ClientFaultConverter  and using something more relaxed instead?

Thank you
Vadim


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