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From "Tammo van Lessen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ODE-1027) Variables as number predicates don't work with XPath 1.0
Date Tue, 23 Dec 2014 15:15:13 GMT
Tammo van Lessen created ODE-1027:

             Summary: Variables as number predicates don't work with XPath 1.0
                 Key: ODE-1027
                 URL: https://issues.apache.org/jira/browse/ODE-1027
             Project: ODE
          Issue Type: Bug
    Affects Versions: 1.3.6
            Reporter: Tammo van Lessen
             Fix For: 1.3.7, 1.4

When variables are used as number predicates to select a specific node, in XPath 1.0 the variable
value is treated as string and not properly casted to a number. Thus, Jaxen will select all
nodes and not a single node. This can be fixed by added a special cast to org.apache.ode.bpel.elang.xpath10.runtime.JaxenContexts.getVariableValue(String,
String, String) -- in the same way as Booleans are treated.

As a workaround, the variable can be casted in the XPath expression itself, so instead of
tns:args[$Counter]/tns:name you can write tns:args[number($Counter)]/tns:name.

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