On Mon, Mar 20, 2017 at 9:42 AM, Pushpalanka Jayawardhana <[email protected]> wrote:
> Hi All, > > Shall we add a section on 'Error handling' to the UUF best practices > documentation to capture information on this? > > +1 > On Thu, Feb 2, 2017 at 8:43 AM, Dakshika Jayathilaka <[email protected]> > wrote: > >> +1 for KasunGs suggestion. >> >> Even UIExceptions can be different. >> >> *Types of UI errors* >> >> - User input errors >> - App errors >> - Incompatible state errors >> >> IMHO depending on the permission level, above error messages can be >> optimized to give optimal user experience. >> >> Regards, >> >> *Dakshika Jayathilaka* >> PMC Member & Committer of Apache Stratos >> Associate Technical Lead >> WSO2, Inc. >> lean.enterprise.middleware >> 0771100911 <077%20110%200911> >> >> On Wed, Feb 1, 2017 at 12:31 PM, KasunG Gajasinghe <[email protected]> >> wrote: >> >>> >>> To not disclose the back-end server details to the user, we should >>> always catch the exceptions in the UUF app. If it is a UIException, then we >>> can show the error message to the user. Otherwise, we should show a generic >>> error message - something like "An error has occurred while processing your >>> request." >>> >>> If we know how to handle it, it is best if we handle it within the same >>> page where the error has occurred. We already do this in multiple places. >>> For example, see the code for user portal's login page when you enter >>> invalid credentials. >>> >>> For unexpected errors, we can customize the error pages via the >>> app.yaml's errorPages config. >>> >>> app.yaml: >>> errorPages: >>> 404: "/foundation/error/404" >>> 401: "/login" >>> default: "/foundation/error/default" >>> >>> On Wed, Feb 1, 2017 at 12:20 PM, Ayesha Dissanayaka <[email protected]> >>> wrote: >>> >>>> Hi, >>>> >>>> What are the good practices around exception handling in UUF in >>>> scenarios like handling exceptions thrown when callOSGiService. >>>> >>>> for example consider below method. >>>> >>>>> /** >>>>> * Check whether the notification based password recovery enabled >>>>> */ >>>>> >>>>> function isNotificationBasedPasswordRecoveryEnabled() { >>>>> var checkMethod = "isNotificationBasedPasswordRe >>>>> coveryEnabled"; >>>>> return callOSGiService("org.wso2.is.p >>>>> ortal.user.client.api.RecoveryMgtService", >>>>> checkMethod, []); >>>>> >>>>> } >>>>> >>>> >>>> If I don't catch exceptions within this method or whenever using >>>> *isNotificationBasedPasswordRecoveryEnabled >>>> *method, in the UI I get below page. >>>> >>>> >>>> What is the recommended way to handle this? >>>> >>>> 1. Handle exceptions around callOSGiService. >>>> - Then we'll have to repeat the same whenever we call osgi from >>>> a uuf app >>>> 2. Handle at method invocation, and redirect to error page. >>>> 3. Provide a generic message in the UI from UUF in such cases, >>>> unless handled in the app. >>>> 4. Do we have to handle exceptions from osgi service itself? >>>> 5. Other? >>>> >>>> Thanks! >>>> -Ayesha >>>> >>>> -- >>>> *Ayesha Dissanayaka* >>>> Software Engineer, >>>> WSO2, Inc : http://wso2.com >>>> <http://www.google.com/url?q=http%3A%2F%2Fwso2.com&sa=D&sntz=1&usg=AFQjCNEZvyc0uMD1HhBaEGCBxs6e9fBObg> >>>> 20, Palmgrove Avenue, Colombo 3 >>>> E-Mail: [email protected] <[email protected]> >>>> >>>> _______________________________________________ >>>> Dev mailing list >>>> [email protected] >>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>> >>>> >>> >>> >>> -- >>> >>> *Kasun Gajasinghe*Associate Technical Lead, WSO2 Inc. >>> email: kasung AT spamfree wso2.com >>> linked-in: http://lk.linkedin.com/in/gajasinghe >>> blog: http://kasunbg.org >>> phone: +1 650-745-4499 <(650)%20745-4499>, 77 678 0813 >>> >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > Pushpalanka. > -- > Pushpalanka Jayawardhana, B.Sc.Eng.(Hons). > Senior Software Engineer, WSO2 Lanka (pvt) Ltd; wso2.com/ > Mobile: +94779716248 > Blog: pushpalankajaya.blogspot.com/ | LinkedIn: lk.linkedin.com/in/ > pushpalanka/ | Twitter: @pushpalanka > > -- Sajith Janaprasad Ariyarathna Software Engineer; WSO2, Inc.; http://wso2.com/ <https://wso2.com/signature>
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