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SAP – CVE-2021-44228 Apache Log4j Vulnerability

SAP continues to investigate the remote code execution vulnerability (CVE-2021-44228) related to Apache Log4j disclosed on Dec 10, 2021. SAP encourages customers to update to the latest version of Log4j, where applicable. Check regularly updated detailed information in SAP site – here. Additional information about vulnerability in HANA XS and AS Java Core Components.

SAP HANA – Prefetch timed out error

When You run a replication task or an activity of large tables in HANA Smart Data Integration sometimes You receive below error:

[119944]{352621}[136/-1] 2021-XX-09 09:55:04.182041 e MonitorView DPAdapterLocationsMonitor.cc(00196) : Request for adapters' configuration for agent : 'AGENT_NAME' failed with error : 
[115205]{350872}[146/-1] 2021-XX-09 09:57:05.163932 i TraceContext TraceContext.cpp(01269) : UserName=USERNAME, ApplicationUserName=USERNAME, ApplicationName=sap.hana.im.dp.monitor.jobs::scheduleTask, ApplicationSource=sap.hana.im.dp.monitor.jobs:ScheduleObject.xsjs::doScheduleObject, StatementHash=b04ef094eb43b5643057befc019e3123, StatementExecutionID=844438624279623
[115205]{350872}[146/-1] 2021-XX-09 09:57:05.163917 e DPAdapterManager AdapterManager.cpp(04668) : ::sendMessage: Prefetch timed out.
[115205]{350872}[146/-1] 2021-XX-09 09:57:05.164020 e FedTrace DPAdapterAccess.cpp(02401) : DPAdapterAccess::ExecuteQuery: failed with error: Prefetch timed out.

SAP PO – How to enable a handling of large messages in the Messaging System

You have to remeber. Concurrent processing of large messaging in the messaging system queue could lead to out of memory errors due to heap being exhausted. A message is considered to be #large# if it exceeds the threshold for large messages. In order to be processed, the message must have a specific number of permits (the number of permits is the message size divided by the threshold).

SAP Security Notes Summary – November 2021

Traditionally once a month I’ll publish review all SAP security notes and news that were released in a given month. SAP Security Notes contain SAP’s expert advice regarding important action items and patches to ensure the security of your systems.

SAP PO – Cannot clear ICM server cache

Today we have this situation… It’s not possible to clear the ICM server cache. In SAP logs like defaultTrace.trc You can find below entries:

SAP Host Agent – update

Today will be a few words about how to update SAP Host Agent (I’ll be use shortcut: SHA). I’ll start with that SAP Host Agent is an agent that can accomplish several life-cycle management tasks, such as operating system monitoring, database monitoring, system instance control and provisioning, etc. Latest documentation to SHA You can find in this note.