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From "Mark Ford (JIRA)" <j...@apache.org>
Subject [jira] Created: (ODE-638) Incorrect default expression language for property aliases
Date Fri, 17 Jul 2009 15:24:14 GMT
Incorrect default expression language for property aliases

                 Key: ODE-638
                 URL: https://issues.apache.org/jira/browse/ODE-638
             Project: ODE
          Issue Type: Bug
          Components: BPEL Compilation/Parsing
    Affects Versions: 1.3.2
            Reporter: Mark Ford

If a property alias does not define a query language then the default should be XPath 1.0
as per the WS-BPEL 2.0 spec. BpelCompiler.compile(PropertyAlias) uses the same compileExpr(Expression)
call as other expressions so the default language becomes whatever the default is for the
process definition or XPath 1.0 if not defined.

I found this problem by setting a default expression to XQuery in my process def. This results
in an error at execution since the XQuery compiler inserts a variable declaration for $ode:pid
which doesn't resolve in the property alias context.

One workaround is to add the queryLanguage attribute to each propertyAlias. Another workaround
is to not define a default expression language for the process.

Time permitting, I'll add a test case or patch at some point.

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