Hi,
What should I do to be able to use declarative (XML) exception handling
together with pageflows?
I've got very simple pageflow where I have
| <start-page name="setRevokeDetails" view-id="/setRevokeDetails.jspx"
no-conversation-view-id="/main.jspx">
| <redirect/>
| <transition name="cancel" to="revokeCancelled"/>
| <transition name="process" to="checkRevokeResult">
| <action
expression="#{transactionRevoker.revokeTransaction}"/>
| </transition>
| </start-page>
|
| <decision name="checkRevokeResult"
expression="#{transactionRevoker.forceRevoke}">
| <transition name="false" to="revokeResult"/>
| <transition name="true" to="forceRevoke"/>
| </decision>
|
| ...
|
My pages.xml exceptions section looks as follows:
| <exception>
| <end-conversation/>
| <redirect view-id="/generalError.jspx">
| <message>Unexpected failure</message>
| </redirect>
| </exception>
|
|
Now method called transactionRevoker.revokeTransaction() throws Exception. It's
a method that calls external EJB service. I catch only one exception in this
method, and when it throws RuntimeException I get very long stack trace and bad
redirect message in browser.
Stack trace says that jPDL can't resolve #{transactionRevoker.forceRevoke}. And
I don't know how to cope with exception in this case. I'd like to be able to
redirect user to general error page without coding it every time I do something
potentially exception-prone.
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