HULFT-27114

If communication is unexpectedly cut off by the proxy server during sending, the file transfer status may remain "Connecting" in a high CPU usage state

Phenomenon

If communication is unexpectedly cut off by the proxy server during sending, the file transfer status remains "Connecting".

In addition, the Send File child process (hulsnd) continues with a high CPU usage state.

Severity level

A: critical

Affected versions

From Ver.5.0.0 to Ver.8.5.2

Modified version

Ver.10.2.0

Condition to reproduce

This phenomenon occurs when all the following conditions are met:

• The version of HULFT on the sending host or the receiving host is lower than Ver.8.0.0, or "Y" (Yes) is specified for Use HULFT7 Comm. Mode (HUL7MODE) in the Host Information of the transfer destination

• A value is specified for Proxy Server Name (MYPROXYNAME) in the Host Information of the transfer destination

• After a connection to the proxy server is established, the proxy server does not respond, causing the communication to be cut off with FIN

Alternative workaround

Alternate workarounds vary depending on the version of the sending host or the receiving host.

• When the version of HULFT on the sending host is lower than Ver.8.0.0

  None

• When the version of HULFT on the sending host is Ver.8.0.0 or higher and that on the receiving host is lower than Ver.8.0.0

  None

• When the version of HULFT on the sending host is Ver.8.0.0 or higher and that on the receiving host is Ver.8.0.0 or higher

  Specify "N" (No) for Use HULFT7 Comm. Mode (HUL7MODE).

Status description

If the above conditions are met, an error occurs during file transfer.

In addition, the Send File child process (hulsnd) does not continue.