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Job Logs Disappear - Orchestrator 2019.10.18

May 18, 2020, 2:51 am
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I just thought i would post a solution to an issue we discovered on my project.

We recentrly upgradet our Orchestrator to 2019.10.18 and when doing that, we noticed that job logs disappeared after 24 hours.

What we did was to click “Jobs” and then sort “Interval: Last week”. However, when we found the job we were after, we could not see any logs for it when opening the dots and clicking “View logs”.

After some Googling and research that turned up nothing, a colleague figured out the following:

  • After you open a certain jobs log, you have to sort the interval again while inside the empty log page to “Time: Last week” (or however long you need).

I feel this is an error as it should already have been sorted when we sorted the jobs interval.

Anyways, hope this helps others and that they do not have to spend as much time as i did figuring this out.

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Unable to read file

May 16, 2020, 2:36 am
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Hi All,

Getting this error when trying to read a simple text file. Can anyone assist:

RemoteException wrapping System.AggregateException: One or more errors occurred. —> RemoteException wrapping System.IO.FileNotFoundException: Could not find file ‘C:\UiPath\UiPath.txt’.
at System.IO.__Error.WinIOError(Int32 errorCode,
String maybeFullPath)
at System.IO.FileStream.Init(String path,
FileMode mode,
FileAccess access,
Int32 rights,
Boolean useRights,
FileShare share,
Int32 bufferSize,
FileOptions options,
SECURITY_ATTRIBUTES secAttrs,
String msgPath,
Boolean bFromProxy,
Boolean useLongPath,
Boolean checkHost)
at System.IO.FileStream…ctor(String path,
FileMode mode,
FileAccess access,
FileShare share,
Int32 bufferSize,
FileOptions options,
String msgPath,
Boolean bFromProxy,
Boolean useLongPath,
Boolean checkHost)
at System.IO.StreamReader…ctor(String path,
Encoding encoding,
Boolean detectEncodingFromByteOrderMarks,
Int32 bufferSize,
Boolean checkHost)
at System.IO.File.InternalReadAllText(String path,
Encoding encoding,
Boolean checkHost)
at System.IO.File.ReadAllText(String path)
at UiPath.Core.Activities.ReadTextFile.<>c__DisplayClass13_0.b__0()
at UiPath.Core.Activities.Retry.Do[ResultType](Func`1 action,
Int32 timeoutMS,
Int32 retryCount)
— End of inner exception stack trace —

Server stack trace:
at UiPath.Core.Activities.Retry.Do[ResultType](Func`1 action,
Int32 timeoutMS,
Int32 retryCount)
at UiPath.Core.Activities.ReadTextFile.ExecuteAsync(String fileName,
String encodingStr)
at UiPath.Core.Activities.ReadTextFile.<>c__DisplayClass12_0.b__0()
at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md,
Object args,
Object server,
Object& outArgs)
at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg,
IMessageSink replySink)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.EndInvokeHelper(Message reqMsg,
Boolean bProxyCase)
at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(Object NotUsed,
MessageData& msgData)
at System.Func`1.EndInvoke(IAsyncResult result)
at UiPath.Core.Activities.ReadTextFile.EndExecute(AsyncCodeActivityContext context,
IAsyncResult result)
at System.Activities.AsyncCodeActivity.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context,
IAsyncResult result)
at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor,
BookmarkManager bookmarkManager)

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Error ERROR Validation Error Cannot access a disposed object

May 18, 2020, 6:11 am
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I am getting the below error while Automating the Script Using UiPath Studio Pro Community Version…Please guide me what to do…
Imp Note : it is a very Simple Peace of Code for reading data from .txt file
& Check data is Present or not

Error ERROR Validation Error Cannot access a disposed object.
Object name: ‘b56a15e7-12ed-4a9d-a215-ae99f7b37805’. Main.xaml

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I found an error all the time while running it. Could not find the user-interface (UI) element for this action

April 26, 2020, 9:13 pm
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Building my first robot was very exciting. For a change, I added 10 people name and birth month and used excel for row command. But i found an error all the time while running it.
Process during Run time:

  1. It types the first time and selects the month of birth. It will also copy the unicorn name and paste it into my excel column.
  2. For the Second name, it will type the inputs in the web page, I can also see the unicorn name in the website but it wont copy it in the excel.
  3. For the third name, it will make me wait for a minute or two then an error message will pop up which i’m attaching it along with this.
  4. I could see DIV command in my type into and get text activity name bar.

Possibilities Tried after seeing error messages many times.(Still got error)

  1. Added a delay time in between the commands.
  2. changed the delay before value in the properties column for Type into and get text command.
  3. Deleted the entire command and tried doing new one for 3 times.
  4. Tried different PC and checked if it’s not working only in my PC. (It works in neither of the PCs)
  5. Uninstalled and reinstalled studiox and tried again.

Kindly let me know what is that error actually is and also how to do it without the error.

ERROR MESSAGE 1
ERROR MESSAGE 1798×391 53.7 KB
ERROR MESSAGE 2
ERROR MESSAGE 2814×231 19.1 KB
Screenshot (9)
Screenshot (9)1365×725 41.7 KB
Screenshot (10)
Screenshot (10)1360×724 47 KB

Thank you

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Cannot rename AD object

April 27, 2020, 7:02 am
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Send hot key not working in background

May 18, 2020, 9:45 am
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Sir one more thing As mention in attachment my application running in chrome while in between if I open another think eg if I open notepad as mention in attachment then Send hot key with TAB not work and when I minimized notepad then it start working file…

Untitled
Untitled1920×1080 96 KB

@Palaniyappan

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Send hot key not working in background .error got time out

May 18, 2020, 9:31 pm
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As mention in attachment my application running in chrome while in between if I open another think eg if I open notepad as mention in attachment then Send hot key with TAB not work and when I minimized notepad then it start working fine.I want to use TAB.

Untitled
Untitled1809×810 21 KB

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Error: System.NullReferenceException: Object reference not set to an instance of an object

December 11, 2019, 3:01 am
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Orchestrator upload issue
Orchestrator upload issue845×607 39.2 KB

Getting the Error: System.NullReferenceException: Object reference not set to an instance of an object. while publishing packages to orchestrator.

Uipath version :Studio 2019.11.0-beta.2 - 11/18/2019,Community Edition

The project is working fine from studio.

Please help!

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Error when trying to connect to a SFTP server with a private key and without password

February 13, 2020, 1:39 am
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Hi,

I’m trying to use the UiPath.FTP.Activities package to connect to a SFTP server using a private RSA key. When doing so I get an error :

“String reference not set to an instance of a String, parameter name s”

I get this error because I left the password field empty. If I put an empty string instead I get a Permission denied (password) error because it’s trying to log using the password.

I think the activity is always trying to connect using the password. Even when I don’t want to because i’m using a private key.

Any tips about what I can do ?

Regards.

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If I am not enable sendwindowmessage and simulate click this will execute application in background by using unattended BOT

May 19, 2020, 5:03 am
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if I am not enable sendwindowmessage and simulate click this will execute application in background by using unattended BOT

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Unexpected end of file while parsing Name has occurred

May 19, 2020, 6:58 am
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Hi all,

I am having the below error which causes the bot to fail in Orchestrator.

Bot is checking if there are any new email in every 10 seconds by using the Exchange Server.

It fails very randomly, couldn’t see pattern. Sometimes 2-3 days without any failure. Sometimes same failure couple times in the same day.

Any input would be very appreciated.

RemoteException wrapping System.Xml.XmlException: Unexpected end of file while parsing Name has occurred. Line 1, position 717157.
at UiPath.Mail.Exchange.Activities.ExchangeScope.OnFaulted(NativeActivityFaultContext faultContext, Exception propagatedException, ActivityInstance propagatedFrom)
at System.Activities.Runtime.FaultCallbackWrapper.Invoke(NativeActivityFaultContext faultContext, Exception propagatedException, ActivityInstance propagatedFrom)
at System.Activities.Runtime.FaultCallbackWrapper.FaultWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

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Execution Error - System.ArgumentNullException

May 19, 2020, 8:40 am
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I am receiving the following error in the very beginning of executing my bot. I have not been able to determine which activity is causing this error, and, therefore, I have been unable to fix it. Any help is greatly appreciated. Thanks!

18.4.5+Branch.support/v2018.4.Sha.2a53a262e2c1098055c3ecbdabe73d45e0a6dc29

Source: T-Letter Automation

Message: Value cannot be null.
Parameter name: source

Exception Type: System.ArgumentNullException

An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.ArgumentNullException: Value cannot be null.
Parameter name: source
at System.Linq.Enumerable.Count[TSource](IEnumerable1 source, Func2 predicate)
at lambda_method(Closure , ActivityContext )
at Microsoft.VisualBasic.Activities.VisualBasicValue1.Execute(CodeActivityContext context) at System.Activities.CodeActivity1.InternalExecuteInResolutionContext(CodeActivityContext context)
at System.Activities.Runtime.ActivityExecutor.ExecuteInResolutionContext[T](ActivityInstance parentInstance, Activity1 expressionActivity) at System.Activities.Variable1.PopulateDefault(ActivityExecutor executor, ActivityInstance parentInstance, Location location)
at System.Activities.ActivityInstance.ResolveVariable(Variable variable, ActivityExecutor executor)
at System.Activities.ActivityInstance.ResolveVariables(ActivityExecutor executor)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

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Scrapping data using computer vision

May 19, 2020, 1:01 pm
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image
image822×616 17.9 KB

this is the application that is inside my VM. I am trying to scrape some data from the screen like VPOS host mode and host status. I am trying using computer vision to GEt text from the application shown in the screenshot but not successful. CAn you help me with the extraction?

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Configured encryption key is not in a valid Base64 format. (#1801

November 20, 2019, 2:06 am
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Hi,

I recently configured and installed UiPath Orchestrator via Marketplace on Azure.
I had the briliant idea yesterday do update it from 2019.4.4 to 2019.10.

However, I used the Powershell script provided here:

I was a bit fast on the trigger and by mistake it deployed upgrade to 2019.4.4 which I already was running on. Everything seemed fine so I did not think more about it and the app server was restarted ok without any warnings.

However, today when I try to add / update any assets or robots that will hold credentials I get this error message. I am therefor currently unable to create any robots or add / update any assets credentials.

Any idea how to fix this?

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Unable to install excel add in

May 19, 2020, 4:38 pm
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I’m trying to install excell add-in. It keeps saying due to policy settings, the add-in installed failed. Tried enabling it and what not but I keep getting the same error again and again. Have also installed certificate from trusted publisher so I could build my first automation project and I’m stuck on this for 3 hours now where I could have completed with my RPA starter program. Please help. I’ve my days planned and cannot waste so much on these type of things. Hope you understand. I’ve attached the screenshot for your reference. Any help on this at the earliest will be most appreciated. Thanks in advance

unable to share the screen shot but here is the complete error message
“The Uipath Excel Add in installation failed or the Addin has been disabled by Microsoft due to policy settings. Please check its status by going into Files | Options | Add-ins or Trust Centre Settings | Add-ins in Microsoft Excel”

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Academy 19.4 Platform Updates Not Loading

May 19, 2020, 5:54 pm
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Hi guys,

Just noticed that 19.4 platform updates course is not loading for me. I tried with multiple browsers, clearing the cache, and it still do not work… Below is how the screen looks like when I enter the course…

Any ideas why? and I also noticed that it did not save my previous progress…

image
image1350×313 4.97 KB

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Type into activity not working background with enable send window message

May 19, 2020, 7:29 pm
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type into activity not working background with enable send window message

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Academy RPA Developer Foundation Courses Not Loading

May 19, 2020, 10:25 pm
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Hello,

The RPA Developer Foundation course is not loading for me and my colleagues. Tried different browsers and clearing browser cache, but still no luck with. Attached with screenshot of the course screen in academy trying to load forever. Any help will be appreciated!

image
image1914×460 20.1 KB

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Type into activity not working background by enable send window message

May 19, 2020, 10:36 pm
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Type into activity not working background by enable send window message

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Export PDF Page as image error

April 22, 2020, 10:39 am
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Hi guys,

I hope someone of you can help me understand why when I execute the “Export PDF page as image” function, it gives me an error “Empty Stack”.

I already set the path of input and output folders and set the page with an Int 32 variable. Not pretty sure what else I have to do.

Thanks so much!

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