Too many loopback session id's in SMGW transaction (ABAP+JAVA System)

[Former Member]

Hi All,

From SMGW transaction I am able to see too many loopback (127.0.01) session ids existing in the system.

• 107 system(s) logged on *** showing from this more than 50 session are loopback. I am not able to find the reason.

How to check and how to reduce this session.

Thanks in advance

[Former Member · Accepted solution]

Hello Pravin,

Some of those connections can be due to JCo connections between your Java instance to your ABAP instance. The JCo will always connect to the gateway and by the ABAP by the gateway.

Other entries could be by internal RFCs for this system that are pointing to the loopback.

If those connections won`t get closed, I strongly recommend you to read SAP Note 568271 that talks about the lifetime of an Rfc, which are the most part of the connections that you will see on the gateway.

Cheers,

Maurício

[Former Member · Accepted solution]

Hi Maurício

Thank you for your support.

As per note I have checked in my system and I can not find relavent things

from SM04 I am able to see only 12 users logged into the system ( *** 12 users logged on with 15 modes ***

) and from 12 users 5 of users using GUI and remaing RFC. From SMGW it is showing only 8 active connection and

SMGW --? Goto -->logged on clients from here able to 98 systems logged on ( *** 97 system(s) logged on *** ) in this around 70 logons related to loopback (127.0.0.1)

Please suggest me how to anaylze this issue and how to take corrective steps for this kind of issue.

[Former Member · Accepted solution]

Hello,

Is it possible to provide a screenshot for SMGW screen or identify if this connections are coming from which port?

Cheers,

Maurício