FME Form

 Good Evening! I have a problem i would like to share with this amazing community and i hope ill get an answer that solves it. I am writing data to an Microsoft Excel file. I use the feature writer to dynamically write 3 datasets to Excel. The normal Microsoft Excel writer does this without a problem. Now i want to do it with an Feature Writer set to Microsoft Excel, but when i run the feature writer with, i believe, the same settings as the Excel writer, it results in a fatal error, where it states FME daemon is shutting down. Can anyone help me? That would be greatly appreciated. Thanks!Error log TranslationOther settings are default.Interesting here: number 164. I dont know why of what. 

I am trying to make a workspace that generates information reports, but the featureReader give me unexpected output. Sometimes it works, but sometimes it gives me "stale caches”, where it should work. I am trying to let the user choose which attributes to expose by using a UserParameter, so they can choose what information attributes they want to use or not, but it gives me weird results.  If i run it, it might do it and give me the required information, but if i run it another time, with other attributes selected to expose, it gives me the result that was asked before. Or, if i run it again with the same configuration it gives me the "stale or incomplete cached data”. since Users can select multiple layers out of the 500 we have, i think i have to use the generic port, and let the users choose what attributes they want, because they dont need everything and their needs change from time to time. How do i change this process so that it will be reliable? That my users can get any attribu

In 2026 build, the new ArcGIS Feature Services package replaces the older Portal Feature Service reader. The change is well documented in the article Working with Esri ArcGIS Feature Services in FME – FME Support CenterMy question to a Safer is, how/when are 2026 deprecated formats like PORTALFEATURESERVICE listed in the article FME Deprecations – FME Support Center.the new unified ARCGISFEATURESERVICE package replaced arcgis x feature service formatsCan these now older ArcGIS Feature Service formats be added to the article; along with Recommendation actions listing out sections/bookmarks from the support article Question about deprecations articleWhen do components get included to the article and how is it updated?  is this a manual task or can the development team inform earlier updates when components are planned to be replaced?Recently for example, randomly FME Date Time functions got added to the article, where it was listed as affecting in 2026.1…. yet we were already at 2026.2 r

Hi,I’ve created an FME workflow which successfully creates a csv and zipped shapefile and emails a recipient. However, I want to use the TempPathnameCreator so that the output files are wiped after emailing. I’ve adapted the workflow but it fails to create the files. On inspecting the rejected email output it couldn’t find the files in the temp folder, but when testing with just the writer 0 features are output. I assume I need a separate TempPathnameCreator for both zip and csv file or can they be in the same folder? Here is the final part of my workflow. Is my configuration wrong? Josh

Hi Community!I created some 3D vectors made up of three vertices, using the list of coordinates and elevations shown in the attached table. I created them using three Vertex Creators connected one after another.Now I would like to apply a scale factor of 10 to these 3D vectors, but I want each vector to be extended starting from its first vertex, i.e. from the coordinates (0,0,0), while keeping that first vertex fixed.What would be the best way to achieve this?Thanks in advance for your help!

Hi, I want to calculate a new attribute using the attributecreator with Text Editor:  But I my results are always the source values:What is my mistake?Thank you for your support! 

Hi all, When sending a test request with a HTTPCaller, the Test Response Preview shows the response. When you close this window and reopen it later after closing and re-opening the workspace (even on another date) this response is still there (cached?). Depending on the URL used, this can lead to an unreasonably large workspace file. Is this an intended feature, or an oversight that can slow down workspace performance if a user isn’t aware of this?If there is a benefit to being able to revisit this test response at a later date, maybe it’s a good idea to be able to enable/disable this feature entirely. Or at least be able to ‘clear’ this Test Response Preview. Kind regards, Rob de Groot An example URL that leads to a +20MB size increase of your workspace if a test response preview is opened:https://services1.arcgis.com/ug8NBKcLHVNmdmdt/arcgis/rest/services/Peilvakken/FeatureServer/0/query?where=1%3D1&outFields=*&outSR=4326&f=jsonIf you do this for multiple HTTPCallers it ca

I have a workspace that works without issues in FME 2024.2.1. We are planning to upgrade to FME 2025, but I am facing issues. When riunning the workspace in FME 2025, it seems to work fine, but after a while I get lots of a recurring message like this one:2025-06-02 11:38:25| 119.2|  0.2|ERROR |FFS reader: Failed to open file 'D:\FMETemp\wbrun_1748852462857_30000\fmetmp_0\FMETable_1748853274266_18156\FTShim_1019.fts' for reading.  Please ensure that the file exists and you have sufficient privileges to read itThese messages DO NOT appear when running the workspace in FME Form/Flow 2024.2.1I have tried FME Form/Flow 2025.0.2 and FME Form 2025.1 (beta) and all of these fails.I have set my FME_TMP environment variable to D:\FMETempDoes anyone have an idea?

Hi all,I'm trying to bring object detection capabilities into an FME workflow using YOLO models built with Ultralytics, and I'd love some guidance from anyone who's tackled this before.What I'm trying to do:Run inference with a trained Ultralytics YOLO model (e.g., detection, segmentation, or OBB) inside an FME workspace   Data (e.g., from PythonCaller ) into the model and get bounding boxes / masks / class labels back as FME features Ideally write the results back out as vector features (polygons/points) with attributes for class, confidence score, etc.Specific questions:Has anyone integrated Ultralytics' Python package (pip install ultralytics) directly via FME's PythonCaller transformer? Any gotchas with FME's bundled Python environment vs. installing ultralytics and its dependencies (torch, etc.)? Is it better to run YOLO inference as an external subprocess/script call from FME, or embed the from ultralytics import YOLO calls directly inside a PythonCaller?Sample datasets/models fo

I have successfully created a Asana app for connecting to FME (giving me a Client ID and secret) and then established the connection as a web connection in FME Form, but when I try to use the AsanaTaskQuerier transformer and input the required parameters (Web Connection, Asana Project ID, and Query Type) the Asana Project ID gives me an error, “Arithmetic expression invalid”. I followed the help documentation for the custom transformer and it seems straight forward enough, but no matter which Project ID link I copy and paste into the field, it gives the same error and won't let me click OK to run the transformer. I have successfully tested the connection and know that works, the issue seems to be in the Asana Project ID, possibly because it seems to have to be an Arithmetic field? The FME Help documentation for this says to input the Asana Project ID as follows, which I have done so in the same format. Does anyone have a solution to what the issue is or if you have come across this iss

I am using the same workflow that I used in my older version of FME workbench. When I update the FME workbench to 2026.2 I was started getting error in Line Builder. I have number of points that create a polygon. All the points are already sorted. Can anyone let me know is this the bug or something wrong. You can see in the screen shot like waylineid is common and wayjsonindex. if there are 96 features then there will be 96 way_json_index.Thank you in advance!​@j.botterill ​@david_r ​@rylanatsafe  

FME Desktop 2022.1 crashes when trying to read Esri File Geodatabase - Reader works fine with any other format including Arc SDEs but crashes when setting format to File Geodatabase and trying to browse local drive

Hi there,I am importing connections from an older deployment of FME Flow into Form, in order to publish to a new FME Flow. When I do so their names are locked to whatever they were named before.  These names do not confirm to our new naming convention.  It would be helpful to be able to rename Web and DB connections in Form. I understand this would possibly break workspaces referencing this, but this is a risk I am willing to take.

Hi,Is there any way to optimize the FME Inspector?In my case, I'm opening a DWG containing approximately 600,000 features, and it takes nearly 7 minutes to open.It appears that the Inspector indexes all attribute columns when the dataset is loaded. In some cases, I don't think this is necessary, especially when working with very large datasets.It would be great to have an option to disable attribute indexing for large datasets, or even better, allow users to select which attributes should be indexed when needed. I believe this could significantly improve loading performance for large files.Is there already an option to control this behavior, or would this be a good feature request?Thanks!

I am reading many jxl files. Each jxl has a "CoordinateSystemRecord". 1 for each file. howver this is not a standardized CS as recognized by fme.It has an attribute for ZoneName which is a text value like "New Mexico East 3001" and a SystemName attribute like "US State Plane 1983". How can I use these to set the coordinate system value as the file is read?i currently have the coordinatesystemextractor transformer in my wb. but the value is empty. 

We have a hosted feature layer that we update via FME on a schedule. It worked fine until we made a view layer of the hosted feature layer. Now we get an HTTP Error Code: 400 saying 'Cannot remove Layer 0 from <layer name>. Layer 0 is referenced by view service <layer name view>.'  In the writer we’re using Feature Operation: Insert and Feature Handling: Use Existing. We’ve also tried changing this to Truncate Existing which still didn’t work. What is the correct workflow for updating a hosted feature service if the feature service has view layers? 

Hi everyone,After upgrading our FME Flow instance from 2025.2 to 2026.2, a workspace parameter with dynamic values stopped working in a Workspace App.When opening the app, FME Flow shows the following error when testing the dynamic parameters:Loading from WorkspaceKartenautomatisierungen/Kartenautomatisierung_ZUBA_PreScript_2.fmwError loading schemaUnable to generate dynamic parameters from source file.Error was:E:\appdata\fme\systemshare\resources\system\null\null\FeatureWriter\ZUBA.jsonPlease ensure the file exists and is readable. A few observations:The same setup worked without issues in FME Flow 2025.2. The workspace itself executes successfully. It loads the JSON after the workspace is done.  The error only occurs while loading the dynamic workspace parameter. The path contains system\null\null\FeatureWriter\ZUBA.json, and the corresponding folders do not exist. I never configured FME to write schema files to that location.Has anyone seen a similar issue after upgrading to 2026.2

Hi,I have a dynamic feuture writer which writes tables from my PostGreSQL/PostGIS database to a geopackage. Some of the source tables are with no geometry and some are with. This is why I have two readers, one for Posgresql and one for PostGIS. I write all the tables dynamicly to the geopackage with a FeatureWriter and have set the geometry type to read from schema definition. In the resulting geopackage I see the table which should not have a geometry with a geom attribute with all null values. The table gpkg_contents has a data_type features instead of attributes. When I try the same with a manual definition it works fine.QGIS does not seem to have any problems with the geopackage that has the wrong definition, but ArcGIS Pro has. How can i get the dynamic writer to write correct to the geopackage? Or is this a bug or a works as designed? I run FME 2023, but also tried it with FME 2025.Thank you all

Hi team,I’ve noticed a bug within FME 2024.2.1 (Build 24801)… When I’m building out a workspace and reference a Password Deployment Parameter in a reader. If I edit that or any other Reader or Writer under the Navigator (i.e. Right Click, Update Reader, make changes and click OK), it will drop the Password Deployment Parameter, anywhere they are referenced.Text based Deployment parameters remain, but it just drops the Password based Deployment Parameters. Has anyone else seen this issue? Once they’re all set and we publish, it seems to retain them, but it’s only after we update the Reader and Feature Types.

In FME 2026.x, the way Double data types are identified seems to have changed. Decimal numbers are only recognized as double when using a period ('.') as the separator, whereas a comma (',') is not. This is quite unusual, unlike previous versions which worked perfectly fine with commas.I believe the identification method in previous versions was more efficient. For large workspaces, it could save us from using additional Transformers to convert commas to periods. Moreover, since input data formats in different regions still use commas as decimal separators, keeping the old identification logic would be much more flexible.  

How can I check the extension on input files for FME appsFor example a file with a DWG extension Thank you for answer

In a process that deals with GPS messages that are received every 15 minutes, I have two User Parameters that set a Start- and an End date, in order to prevent having to process a couple of million rows from the database every time. These are configured as DateTime parameters, with the Datetime Format set to Date only.The GPS Fix time is copied to a new attribute while converting to a Date, using a DateTimeConvertor. Format selected is FME date (%Y%m%d). If I then use a Tester to check whether the GPS fix time falls between the start- and end date (with Comparison Mode set to Date/Time), they all fail, because the parameters value is 2026-01-01, while the attributes value is 20260101. So the Tester’s comparisonDate >= $(StartDate)(where Date is the by DateTimeConvertor created attribute) does not work anymore, since our upgrade to 2026.1.2. Before (when we used 2025.0.3) this was working without a problem. Upgrading the DateTimeConvertor and the Tester (this is an older workspace) d

I have a non-spatial Oracle table fifteen attribute columns, two of which columns store images.One column is called “image” and the other column is called “thumbnail”Both store images in jpeg format.All of the jpegs are less than 1MB in file sizeI want to write this table to PostGISI have constructed a table in PostGIS with the columns “image” and “thumbnail” both defined as bytea How do I write the workspace that Reads from Oracle and Writes to PostGIS? I made an attempt, but now FME fails to display the data from the PostGIS table, so there is something wrong. My version of FME Desktop isFME(R) 2022.1.3.0 (20220928 - Build 22630 - WIN64) 

Hi team,In my workbench, I'm snapping line endpoints to the device X,Y.To do this, I stored the point's X,Y in the line's attributes and used the VertexCreator transformer with "Replace point at vertex" set to −1 (the end point), passing in the device's X,Y.This moves the line's end point to the device's X,Y as expected, but it also changes the line's start point to what was previously the line's end point.To avoid this, I tried using VertexRemover to remove the end point, then VertexCreator with "Add point at vertex" set to −1, again passing in the device's X,Y. With this approach, the line's start and end points end up swapped.I need the start and end point order preserved as-is, since that order is used for terminal assignments in the Utility Network. Someone please suggest a solution for this? ​@redgeographics  ​@radek.cervenka  ​@hkingsbury 

Quick question.Are there alternatives to using AttributeManager to manually sort attributes by name?Sort of an AttributeSorterByName or AttributeSortedReexposer transformers ?Cheers.