on 10-20-2015 2:34 PM
Hallo,
Recently we did the upgrade to 7.4 (ECC and EP). After the upgrade from time to time there is build up of Http sessions.
The amount of sessions that are being created, if not manually terminated on time (SM04), start to block the whole system.
When started most of the times it takes an hour for it to stop generating sessions. Sometime sooner and sometime later.
The rdisp/plugin_auto_logout and rdisp/gui_auto_logout are both set to 3600.
I know there is not much info to go about but maybe somebody has experienced this behavior before.
If so how was it resolved?
Thank you!.
Kind Regards.
J
*** WARNING => IcmSendRq: resources of ABAP server exhausted
*** ERROR => IcmCreateDpRequest: Server overload
Hello,
which kernel release / PL is the system running in?
see SAP Notes:
2170716 Remaining Plug-in sessions in SM04 for client 000
2129431 Avoid left-over SM04 session when sap-contextid is invalid
kind regards,
Mercedes
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Hi Mercedes,
Thank you on your replay. The notes you provided only partly cover the issue.
I do notice several sessions Plug-In type in SM04 for client 000, user ID empty but the host is not a localhost it is always somebodies workstation. The most sessions are pure HTTP sessions there are only a few plugins. Next to all this the sessions after deleting them are constantly being regenerated.
If the sessions would not be deleted they would flood the system.
The kernel level is 742 UC patch 28. I'll try to patch the kernel.
Thank you.
Kind Regards,
J
Hi Mercedes,
Yes all the sessions when started are always from the same terminal (ip address). But not necessarily for each startup the same IP. It occurs in all the instances. I just managed to reproduce the error. After staring HREIC t-code the browser starts up the Interaction Center (SICF service). If no further actions are done within the browser the session falls into time out and generation of HTTP sessions is immediately started and can be viewed in the SM04.
King Regards,
J
This is the technical view of one of the sessions.
logon T63_U10273
state LOGGED ON
type DP_LOGON_PLUGIN
subType DP_LOGON_HTTP_NORMAL
priority normal priority
workerType DIA
rfc_type DP_RFC_TYPE_UNDEF
async_rfc 0
withDisplay 0
remoteSession 0
user
term xx.xxx.x.xx
client 000
iaddr (gui host) 0.0.0.0
recv_count 1
send_count 0
snc_count 0
auto_logout -1
server_plugin_protocol DP_PLUGIN_PROTOCOL_HTTP
server_plugin_state 1
em_hyper_hdl 7dff79cee50
page_blocks 0
uniqueLogonId 005056AE3DEC1ED59DFC458BBD6FE0D1
ext_logon_id 005056AE3DEC1ED59DFC458BBD6FE0D1
security_context_reference
allowCreateMode 1
modeinfo[0].protocol HTTP
modeinfo[0].session T63_U10273_M0
modeinfo[0].blockSoftCancel 0
modeinfo[0].is_cancelled 0
modeinfo[0].task_type THRT_TASK_PLUGIN
modeinfo[0].detachReason DP_DETACH_REASON_NONE
modeinfo[0].cleanupMethod DEFAULT_CLEANING
modeinfo[0].em_hdl 18
modeinfo[0].abap_state DP_SES_DETACHED
modeinfo[0].em_state DP_EM_DETACHED
modeinfo[0].page_blocks 0
modeinfo[0].resetReason x0 =
modeinfo[0].act_enq_info 0
modeinfo[0].stat_trans_id null
modeinfo[0].cpic_no 0
modeinfo[0].sessionType
modeinfo[0].sessionAttributes
modeinfo[0].last_wp 4
modeinfo[0].last_rq_id rq_id 133682902
modeinfo[0].diatime Wed Oct 21 12:55:00 2015
modeinfo[0].tcode
modeinfo[0].lock 0
modeinfo[0].inspection_active 0
modeinfo[0].extendedSessionId 00063000005056AE3DEC1ED59DFC458BBD6FE0D1
modeinfo[0].uuidSessionId 005056AE3DEC1ED59DFC458BBD6FE0D1
modeinfo[0].dt_root_id 005056AE3DEC1ED59DFC45948F3E00D1
modeinfo[0].control_flags 0x0
modeinfo[0].programInfo
modeinfo[0].imode 0
modeinfo[0].imode_info[0].asyncRec 0
modeinfo[0].requestsInQueue 0
Hello J,
If no further actions are done within the browser the session falls into time out and generation of HTTP sessions is immediately started and can be viewed in the SM04.
Looks like the SAP kernel is trying to end the idle session (as expected), but this is triggering the issue.
Which is the kernel release an patch level in use?
Kind regards,
Isaías
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