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Posted to dev@ode.apache.org by "Alex Boisvert (JIRA)" <ji...@apache.org> on 2009/01/23 02:25:59 UTC

[jira] Created: (ODE-498) XPath variables used in predicates (e.g. element[$index]) cause bpel:selectionFailure

XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure
--------------------------------------------------------------------------------------

                 Key: ODE-498
                 URL: https://issues.apache.org/jira/browse/ODE-498
             Project: ODE
          Issue Type: Bug
          Components: BPEL Runtime
    Affects Versions: 1.3, 2.0
            Reporter: Alex Boisvert


As reported on the mailing list,

 I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
         <forEach counterName="i" parallel="no">
                 <startCounterValue>1</startCounterValue>
                 <finalCounterValue>2</finalCounterValue>
                 <scope>
                   <assign>
                     <copy>
                       <from>$i</from>
                       <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
                     </copy>
                   </assign>
                 </scope>
               </forEach>
will incur such ERROR in ODE:

ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Updated: (ODE-498) Handle Variable References In XPath Predicates

Posted by "Karthick Sankarachary (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthick Sankarachary updated ODE-498:
--------------------------------------

    Summary: Handle Variable References In XPath Predicates  (was: XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure)

> Handle Variable References In XPath Predicates
> ----------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3, 2.0
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>             Fix For: 1.3
>
>         Attachments: evaluate-embedded-variable-reference.patch
>
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Resolved: (ODE-498) XPath variables used in predicates (e.g. element[$index]) cause bpel:selectionFailure

Posted by "Karthick Sankarachary (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthick Sankarachary resolved ODE-498.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.3

> XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure
> --------------------------------------------------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3, 2.0
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>             Fix For: 1.3
>
>         Attachments: evaluate-embedded-variable-reference.patch
>
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Assigned: (ODE-498) XPath variables used in predicates (e.g. element[$index]) cause bpel:selectionFailure

Posted by "Alex Boisvert (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Boisvert reassigned ODE-498:
---------------------------------

    Assignee: Karthick Sankarachary

> XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure
> --------------------------------------------------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3, 2.0
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Commented: (ODE-498) XPath variables used in predicates (e.g. element[$index]) cause bpel:selectionFailure

Posted by "Alex Boisvert (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12666382#action_12666382 ] 

Alex Boisvert commented on ODE-498:
-----------------------------------

Mailing list thread reference: http://www.nabble.com/Is-it-a-bug----the-counterName-variable-in-forEach-can%27t-be-used-in-XPath-position-expression-td21582502.html

> XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure
> --------------------------------------------------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3, 2.0
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Closed: (ODE-498) Handle Variable References In XPath Predicates

Posted by "Karthick Sankarachary (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthick Sankarachary closed ODE-498.
-------------------------------------


> Handle Variable References In XPath Predicates
> ----------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3.1
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>             Fix For: 1.3.1
>
>         Attachments: evaluate-embedded-variable-reference.patch
>
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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[jira] Updated: (ODE-498) XPath variables used in predicates (e.g. element[$index]) cause bpel:selectionFailure

Posted by "Karthick Sankarachary (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthick Sankarachary updated ODE-498:
--------------------------------------

    Attachment: evaluate-embedded-variable-reference.patch

The root cause of this issue was a failure by the BPEL compiler, under certain circumstances, to properly evaluate XPath expressions containing variable references. In particular, if the compiler runs into a function reference in the XPath, it summarily short circuits the evaluation of the XPath, thereby ignoring any subsequent variable references. This leads the runtime to believe that that variable is undefined, hence the selection failure.

> XPath variables used in predicates (e.g.  element[$index]) cause bpel:selectionFailure
> --------------------------------------------------------------------------------------
>
>                 Key: ODE-498
>                 URL: https://issues.apache.org/jira/browse/ODE-498
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.3, 2.0
>            Reporter: Alex Boisvert
>            Assignee: Karthick Sankarachary
>             Fix For: 1.3
>
>         Attachments: evaluate-embedded-variable-reference.patch
>
>
> As reported on the mailing list,
>  I found another BUG-like problem in  ODE 2.0 Build #87 (2009-1-8 2:25:04). That is: the counterName variable can't be used in the position expression of XPath as normal variables are. For example, the following BPEL piece
>          <forEach counterName="i" parallel="no">
>                  <startCounterValue>1</startCounterValue>
>                  <finalCounterValue>2</finalCounterValue>
>                  <scope>
>                    <assign>
>                      <copy>
>                        <from>$i</from>
>                        <to>$output0.body/xsd0:field1[position()=$i]</to>     <!-- note this line -->
>                      </copy>
>                    </assign>
>                  </scope>
>                </forEach>
> will incur such ERROR in ODE:
> ERROR - GeronimoLog.error(104) | Assignment Fault: {http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure,lineNo=149,faultExplanation={http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure: No results for expression: {OXPath10Expression $output0.body/xsd0:field1[position()=$i]}

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