Hi Russell, Something I've noticed myself, and it's easily reproducible on the Usage pages for processors, is that Nifi is doing a reverse DNS lookup when loading the page. If your DNS is broken, it can take 10-30 seconds for the page content to appear.
Kr, On Fri, 18 Aug 2023, 07:29 Russell Bateman, <r...@windofkeltia.com> wrote: > Matt, > > I experimented with the Open in New Window button, but the new window, > which probably isn't an iframe, nevertheless doesn't respond to attempts > to get around the cache. > > You're probably right about the version not changing being at the root > of the browser's inability to respond to a change. Sadly, the > edit-display-debug-edit cycle doesn't excite me into changing versions > just so I can see the result. > > I'm certainly not going to clamor for work to be done to get around > this. It's annoying, but not crippling. > > Thanks, > > Russ > > > On 8/17/23 13:54, Matt Gilman wrote: > > Russell, > > > > Thanks for the response. The suggestion to open a new tab was for the > > generated documentation, not the NiFi canvas itself. The generated > > documentation is shown in an iframe which will offer you the menu item in > > the context menu for opening in a new tab. IIRC correctly, the path to > the > > generated documentation contains the version of the component. For folks > > simply using a released version of NiFi this works great since versions > > will differ and any browser caching will only optimize page loading for > the > > user. If you're a developer, however, you're likely making changes to > your > > component and the version is not changing (x.y.z-SNAPSHOT). This is where > > the browser cache could result in the behavior your seeing. > > > > Matt > > > > On Thu, Aug 17, 2023 at 3:21 PM Russell Bateman<r...@windofkeltia.com> > > wrote: > > > >> Thanks, Matt, > >> > >> (Since I use Chrome 99% of the time, I'm using Chrome here.) > >> > >> Clicking on the reload control next to the address bar, while holding > >> down Shift, reloads the canvas, but the NiFi Documentation page > >> disappears and I have to reload it using the View usage context menu of > >> my processor. Once reloaded, nothing has changed. > >> > >> This is also the behavior of the Configure Processor dialog. As I reload > >> View usage, ... > >> > >> In Chrome, there's no effective content-menu option to right-click in > >> the page contents and open in a new tab. I can... > >> > >> Back > >> Forward > >> Reload > >> ----------- > >> Save As... > >> Print > >> Cast > >> Search images with Google > >> ------------------------- > >> Send to your devices > >> Create QR code for this page > >> ---------------------------- > >> Translate > >> --------- > >> View page source > >> View frame source > >> Reload frame > >> Inspect > >> > >> > >> If I right-click the current tab itself, I'm able to choose to > >> Duplicate., but that doesn't seem to lead to anything more helpful. > >> > >> By the way, I'm doing this using NiFi 1.23.0. I have also verified the > >> date of my NAR to ensure that I'm not repeatedly working using a NAR > >> with old content. Also, the version displayed for the custom processor > >> is that of the various /pom.xml/ files I'm building with. > >> > >> I usually develop on the latest NiFi version. However, my company has > >> NARs that won't load beginning 1.14.0. I just brought up 1.13.2, what > >> most of our customers run, and tried my latest NAR which *does* display > >> my changes.Same with 1.1.2, which represents the oldest platform > >> executing at any custom site. Exceptionally, I set up 1.19.1 where it > >> *also works*. > >> > >> This is unexpected; maybe it does point, as unlikely as it seems, to > >> something changed in 1.23.0 (instead of being caused by anything between > >> the dossier of my chair and the space bar of my keyboard as I have been > >> expecting to learn. ;-) ) > >> > >> It could still be me and I'm just not seeing the obvious yet. > >> > >> > >> On 8/17/23 12:44, Matt Gilman wrote: > >>> Russell, > >>> > >>> Assuming this is a browser cache issue, can you try right-clicking > >> anywhere > >>> in the page contents of the generated documentation and open it in a > new > >>> tab. Once that is open, can you try doing a hard refresh by holding > Shift > >>> while clicking Reload next to the address bar? This should clear the > >> cache > >>> and fetch the updated generated documentation. At this point, you > should > >> be > >>> able to close that tab and retry from the NiFi UI. > >>> > >>> Let us know if this doesn't help and we can see if something isn't > >> getting > >>> generated and updated correctly. > >>> > >>> Matt > >>> > >>> On Thu, Aug 17, 2023 at 2:38 PM Russell Bateman<r...@windofkeltia.com> > >>> wrote: > >>> > >>>> Seems like a really stupid user/browser question, but I cannot seem to > >>>> get changes I've made to properties, relationships, attributes read or > >>>> written, etc. *for custom processors*. Also, from the Properties tab > in > >>>> Configuring Processor, the cartoon blurbs obtained by hovering over > (?) > >>>> aren't updated either. > >>>> > >>>> This is despite that changes I make to my /additionalDetails.html/ > files > >>>> come through with no problem. > >>>> > >>>> I have tried Chrome, Opera, Brave and Firefox. All [mis]behave > >> identically. > >>>> I have tried killing the browser running the NiFi UI, stopping also > the > >>>> NiFi instance, relaunching NiFi, quickly asking the browser to display > >>>> the canvas, then holding down the Ctrl key as I click Reload. > >>>> > >>>> In past times, I have observed that eventually the changes are > >>>> recognized and displayed, so this is not permanent, however, it's very > >>>> annoying especially when I'm polishing my processor documentation > >>>> wording in the class that extends AbstractProcessor. All the while, > as I > >>>> say, the processor's corresponding /additionalDetails.html/ displays > >>>> changes I make to it in a timely and accurate fashion. > >>>> > >>>> Suggestions? >
