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This article analyzes "how to investigate SAP error logs". The content is detailed and easy to understand. Friends who are interested in "how to realize the investigation of SAP error log" can follow the editor's train of thought to read it slowly and deeply. I hope it will be helpful to everyone after reading. Let's follow the editor to learn more about "how to investigate SAP error logs".

Sometimes starting or operating sap will fail, but it may be pointless to view the log files in the current directory of sap users. At this time, it is necessary to check some trace in the work directory.

Take the Linux system as an example, other systems are similar.

Instance is described as follows

DVEBMGS?? ABAP Central Instance

D?? ABAP Dialog Instance

ASCS?? ABAP SCS Instance

SCS?? Java SCS Instance

J?? Java Dialog Instance

JC?? Java Central Instance

TRX?? TREX Instance

JMS?? JMS Instance

ERS?? Enque Replication Service Instance

W?? Web Services Instance

G?? Gateway Instance

V?? Virus Scan Server Instance

For example, if you prompt SCSxxx to fail at startup, then there is a problem with Java SCS instance. If DVEBMSGxxx fails, there is a problem with ABAP's Instance.

Go to the / usr/sap/SCxx directory and go to different directories according to different instance, such as SCS01

Then go to the work directory under the SCS01 directory, which is full of log files.

A simple way is to look at the modification time of these files, and if they are updated when an error occurs, it is relevant.

Ll-t can sort these files.

For example, when I come across this time that SCS01 failed to start, check that there is a dev_ms.new in this updated file with the following error message

MsSInit died: address in use

You can see that the MS failed to bind port when it started, saying it was already used.

Looking at / etc/hosts, / etc/service found that these files are normal, there is no repetition of port, and it has not been changed recently.

Ps-fu xxx xxx, a user of sap, found that several remaining SAP processes did not exit after stopsap. After kill lost them, startsap was all right again.

In addition, sometimes stopsap can not release all resources, sap provides a command cleanipc to release.

Where is this order? just search it under / sapmnt/SCxx/exe.

This is the end of the survey on how to implement the SAP error log. I hope the above content can improve everyone. If you want to learn more knowledge, please pay more attention to the editor's updates. Thank you for following the website!

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