Agent Windows 12.3.6 File Transfer hangs in Transferring with big files causing Force Traces in WPs
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Agent Windows 12.3.6 File Transfer hangs in Transferring with big files causing Force Traces in WPs


Article ID: 219648


Updated On:


CA Automic Workload Automation - Automation Engine


Agent Windows 12.3.6 has issues when being the Source to send files bigger than 1MB via JOBF( issue reproduced with a file having a size of 1.9MB)
The Job remains in Transferring Status and transfer is not performed:

If the target Agent is also Windows Agent 12.3.6  no Report is available and in the Agent Log we find these kind of errors:

20210714/151506.620 - U00011407 FT '1831034': File transfer with partner 'AGENT_WINDOWS_2' has started.
20210714/151506.620 - Sender Session started, with async settings (30,60,5)
20210714/151506.825 - U00011410 FT '1831034': Transferring file 'C:\temp\WPsrv_trc_001_00.txt'.
20210714/151507.307 - U00011479 FT '1831034': Unable to start new file transfer session. Error: '1831034'.
20210714/151507.307 - U00011492 FT '1831034': Connection with partner 'AGENT_WINDOWS_2' will be closed. Error: 'unexpected close of socket'.
20210714/151507.307 - U00011409 FT '1831034': File Transfer has ended abnormally.

If the target Agent is a Unix agent, you will find this kind of errors:

2021-07-15 11:15:39 - U02000063 Connection to Agent 'AGENT_LINUX' with connection data '[::1]:2401' not possible. Error code '10061', error description: 'No connection could be made because the target machine actively refused it.'.
2021-07-15 10:15:13 - U00011124 Selection started with filter 'D:\installer\Continuous.Delivery.Automation_12.3.4_2020-10-21\' ...
2021-07-15 10:15:13 - U00011125   'D:\installer\Continuous.Delivery.Automation_12.3.4_2020-10-21\'
2021-07-15 10:15:13 - U00011126 Files selected: '1'.
2021-07-15 10:15:13 - U00011409 FT '1831037': File Transfer has ended abnormally.

In the Automation Engine, some WPs may produce Force traces as below:

7/15/2021 12:16:42 U00015006 System forced memory trace dump.
7/15/2021 12:16:41 U00003422 WARNING: Cannot load conversation memory '0029d3b6' for server routine 'JPEXEC_R'.
7/15/2021 12:16:41 U00011801 Error in Server routine 'JPEXEC_R', Server: 'AUTOMIC#WP009' AE system: 'AUTOMIC'.



Release : 12.3


Sub-component: Agent Windows


Problem introduced in Agent Windows 12.3.6, not existing in version 12.3.5


Workaround 1:

Rollback the Agent Windows to version 12.3.5 or inferior

Workaround 2:

Increase the BufferSize parameters from default 1MB to 4MB in the INI file of ALL the impacted Agents performing JOBF replacing the existing values


Then restart the impacted Agents to take into account the modification.


Update to a fix version listed below or a newer version if available.

Fix version:
Component(s): Agent Windows 

Automation.Engine 12.3.7 - Available