Try Catch didn't catch the exception

[Ellie.Smith]

Hi all, I am doing the UiPath tutorial practice with Try Catch activity.
I am looping through an excel file, and try to do a simple calculation. In my try block, I have an assign activity to assign the excel cell value to an Int32 variable.

Some data contains letters, so this assign activity may fail. However, the catch never worked no matter how I set the “catch” and the process always stopped. I’ve tried “System.Exception”, RemoteException, System.InvalidOperationException, but none worked.

Any ideas?

[vrdabberu (Varunraj Dabberu)]

Hi @Ellie.Smith

Check the below thread

TryCatch does not catch exception

HI, How did you create this project? There is information for GlobalHandler in project.json as the following. [image] Can you try the following step to solve this matter? Close Studio Open project.json using text editor(notepad++ etc) remove the line which has exceptionHandlerWorkflow, then save. reopen this project then run Regards,

Check if if you click on Run the exception is getting catched.

Regards

[Yoichi]

Hi,

Can you try to turn on ContinueOnException then debug run?

Or try to just run (not debug)

regards,

[Ellie.Smith]

Thanks @vrdabberu .

I checked the thread, but mine didn’t use global exception handler. I created the project in Studio.

this is the project.json details:

{
“name”: “BlankProcess1”,
“projectId”: “e534dfda-68ff-476b-b3ff-efaf77070422”,
“description”: “Blank Process”,
“main”: “Main.xaml”,
“dependencies”: {
“UiPath.Excel.Activities”: “[2.23.2-preview]”,
“UiPath.Mail.Activities”: “[1.22.1]”,
“UiPath.System.Activities”: “[24.2.0-preview]”,
“UiPath.Testing.Activities”: “[24.2.0-preview]”,
“UiPath.UIAutomation.Activities”: “[24.2.0-preview]”
},
“webServices”: ,
“entitiesStores”: ,
“schemaVersion”: “4.0”,
“studioVersion”: “24.2.0.0”,
“projectVersion”: “1.0.0”,
“runtimeOptions”: {
“autoDispose”: false,
“netFrameworkLazyLoading”: false,
“isPausable”: true,
“isAttended”: false,
“requiresUserInteraction”: true,
“supportsPersistence”: false,
“workflowSerialization”: “DataContract”,
“excludedLoggedData”: [
“Private:*”,
“password”
],
“executionType”: “Workflow”,
“readyForPiP”: false,
“startsInPiP”: false,
“mustRestoreAllDependencies”: true,
“pipType”: “ChildSession”
},
“designOptions”: {
“projectProfile”: “Developement”,
“outputType”: “Process”,
“libraryOptions”: {
“includeOriginalXaml”: false,
“privateWorkflows”:
},
“processOptions”: {
“ignoredFiles”:
},
“fileInfoCollection”: ,
“saveToCloud”: false
},
“expressionLanguage”: “VisualBasic”,
“entryPoints”: [
{
“filePath”: “Main.xaml”,
“uniqueId”: “6f0d9db7-d9cc-465c-934f-53477991ebeb”,
“input”: ,
“output”:
}
],
“isTemplate”: false,
“templateProjectData”: {},
“publishData”: {},
“targetFramework”: “Windows”

[vrdabberu (Varunraj Dabberu)]

Hi @Ellie.Smith

Try clicking Run File or Run and check if exception is getting catched. Do not Debug the process.

Regards

[Ellie.Smith]

Hi @Yoichi ,

with that, the process acted the same way - the exception was still not caught or properly handled.

[Yoichi]

Hi,

Can you share screenshot of Catch section? Did you set System.Exception?

Regards,

[Ellie.Smith]

sure - currently set to System.Exception

[Yoichi]

Hi,

It seems TryCatch works because Warning Log is displayed

And next Assign in the catch seems to throw exception. As a result, workflow is terminated.

Regards,

[Ellie.Smith]

Thanks @vrdabberu and @Yoichi - the exceptions are caught when i do it in “run” mode.

[vrdabberu (Varunraj Dabberu)]

Hope your query is resolved @Ellie.Smith . If yes, please mark the post from where you found the solution to close the loop or if you haver any queries, I’m happy to help.

Regards