Question

LDAP errors flooding event log in Forms 10.2

Forms

Updated January 6

asked on March 10, 2017 • Show version history

Getting this message over and over for multiple users. Only seems to happen with users who use the product from outside the network who are using participant licenses. Also seems to be users who are using a mobile device (but not only the mobile app, sometimes mobile browsers). They are not reporting having any issues.

An unexpected error has occurred. [LFF502-UnexpectedError]

Details:
URL: /Forms/webapi/v1/user/S-1-9-12246187-3218168050-1882410246-525958188-1671054339-0?user_fields=all
Error: UnexpectedError
Date: 3/9/2017 7:46:13 PM (Pacific Standard Time)
HTTP Status Code: 500
Business Process ID: 0
User: REDACTED
IP: REDACTED (EXTERNAL IP)
Browser: LFMobileDroid
Business Process Name:

Stack Trace:
Caught exception: Laserfiche.Forms.CommonUtils.Exceptions.LFFormsException
Message: An unexpected error has occurred. [LFF502-UnexpectedError]

Inner exception: System.DirectoryServices.Protocols.DirectoryOperationException
Message: An operation error occurred.
at System.DirectoryServices.Protocols.LdapConnection.ConstructResponse(Int32 messageId, LdapOperation operation, ResultAll resultType, TimeSpan requestTimeOut, Boolean exceptionOnTimeOut)
at System.DirectoryServices.Protocols.LdapConnection.SendRequest(DirectoryRequest request, TimeSpan requestTimeout)
at Laserfiche.Forms.CommonUtils.FormsLDAPHelper.<Search>d__20.MoveNext()
at Laserfiche.Forms.CommonUtils.FormsLDAPHelper.GetGroupSidsWithNesting(String userDN)
at Laserfiche.Forms.CommonUtils.LfFormsLDAPSession.LDAPGroupMembershipProvider.GetAllGroupSids(String name)

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Replies

replied on March 22, 2017

We are still investigating this issue, from the experience of another customer that restart the Forms machine will resolve this. Can you try whether restart Forms machine work for you?

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replied on March 12, 2017

The error occurred when getting the group memberships of a user. Do you have the Forms server in the DMZ? For participant license, do you refer to LDAP participant? Can this error be reproduced every time an LDAP participant sign in?

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replied on March 20, 2017

Anything on this? We are getting thousands of these also. Some users experiencing a generic error "An unexpected error has occurred. [LFF502-UnexpectedError]" on submission.

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replied on May 8, 2018

We have this issue every week or two now. I just tried rebooting the Forms server, and that seemed to do the trick.

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replied on December 20, 2024

I am having this issue. I see the dates on this is old but did anyone figure this out?

I get like 15 of these in 10 minutes.

An unexpected error has occurred. [LFF502-UnexpectedError]

Details:
URL:
Error: UnexpectedError
Date: 12/20/2024 2:23:54 PM (Pacific Standard Time)
HTTP Status Code: 500
Business Process ID: 0

Stack Trace:
Caught exception: Laserfiche.Forms.CommonUtils.Exceptions.LFFormsException
Message: An unexpected error has occurred. [LFF502-UnexpectedError]

Inner exception: Laserfiche.RepositoryAccess.AccessDeniedException
Message: The user account name or password is incorrect. [9010]
at Laserfiche.RepositoryAccess.Session.SendLogInRequest(String idnRepName, HttpCredential credentials)
at Laserfiche.RepositoryAccess.Session.LoginToServer(RepositoryRegistration repository, HttpCredential credentials)
at Laserfiche.Forms.CommonUtils.LFHelper.CreateSession(String repoUserName, String repoUserPwd, RepositoryRegistration repoReg)
at Laserfiche.Forms.CommonUtils.LFHelper.ConnectionToLF(String fullUserNameEncrpted, String passwordEncrpted, String lfServer, String lfRepo, Boolean useSSL)
at Laserfiche.Forms.CommonUtils.LFHelper.MakeConnectionForSTLAccount(cf_lfdb lfdbParam)
at Laserfiche.Forms.CommonUtils.SaveToLaserfiche.LFSaveToLfService.GetPDFAndSaveToLF(Guid token1, Guid token2)

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View 1 previous reply

replied on January 6

The error is saying a Save to Repository task in a Forms process is trying to log into the repository with the wrong user name or password. This can happen if the password was changed and the process was not updated yet. A Forms administrator should be able to search for suspended processes and correct the login information.

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replied on January 6 • Show version history

Thanks for responding but we have no suspended processes.

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replied on January 6

Are you sure a Forms administrator checked for suspended processes? Process Designers wouldn't necessarily see all processes.

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replied on January 6

I am an Administrator and can see all processes. I used to be able to stop processes.

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LDAP errors flooding event log in Forms 10.2

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