[ https://issues.apache.org/jira/browse/TRINIDAD-1817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Max Starets updated TRINIDAD-1817: ---------------------------------- Status: Resolved (was: Patch Available) Resolution: Fixed Committed rev. 949196 > fileDownloadActionListeners needs to delay retrieving OutputStream from the > response until something needs to be written to the stream > -------------------------------------------------------------------------------------------------------------------------------------- > > Key: TRINIDAD-1817 > URL: https://issues.apache.org/jira/browse/TRINIDAD-1817 > Project: MyFaces Trinidad > Issue Type: Bug > Affects Versions: 2.0.0.3-core > Reporter: Max Starets > Assignee: Max Starets > Attachments: trinidad-1817.patch > > > The issue may be demonstrated by taking our fileDownloadActionListener demo > and modifying it to run with Facelets. > After you click on the 'Click for Error" button, you will get an > UnsupportedOperationException instead of the expected FacesMessage. > The exception is thrown because we calling getOutputStream(), but not > completing the response when we want to report an error. > JSF later calls getWriter(), which is causing UnsupportedOperationException. > This problem does not show up with JSPs because of the side effect of the JSP > engine dispatch - getWriter() simply succeeds. > The solution is to create a proxy OutputStream that retrieves the delegate > stream only when it needs to write. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.