Basis Errors and Solutions

Symptom
Internet Communication Manager (ICM) 7.11 contains errors.
Other terms
icm, icman, sapwebdisp, HTTP, SMTP, Internet, HTTP request, 0d0a, \r\n, OOB, x-forwarded-for, ClientProtocol, watchdog, GET, POST, HEAD, PUT, SSL, dev_icm, dev_webdisp, soft cancel, cancel
Reason and Prerequisites
ICM Patch Collection (I)
contains the following changes:
Initial ICM 7.11 version
ICM Patch Collection (II)
contains the following changes:
Accessing predefined variables in the modification handler [...]

Symptom
Internet Communication Manager (ICM) 7.10 contains errors.
Other terms
icm, icman, sapwebdisp, HTTP, SMTP, Internet, HTTP request, 0d0a, \r\n, OOB, x-forwarded-for, ClientProtocol, watchdog, GET, POST, HEAD, PUT, SSL, dev_icm, dev_webdisp, soft cancel, cancel
Reason and Prerequisites
ICM Patch Collection (I)
contains the following changes:
Initial ICM version
ICM Patch Collection (II)
contains the following changes:
Fix for a crash of the ICM in [...]

Symptom
The system does not return any return code if you call one of the following methods:
CL_HTTP_SERVER=>SERVER_CACHE_UPLOAD( )
CL_HTTP_SERVER=>SERVER_CACHE_INVALIDATE( )
CL_HTTP_SERVER=>SERVER_CACHE_INVALIDATE_ALL( )
CL_HTTP_SERVER=>SERVER_CACHE_INVALIDATE_LIST( )
As a result, applications that use the aforementioned methods do not have the option of handling or catching return codes correctly.
Other terms
ICM, CL_HTTP_SERVER, SERVER_CACHE_UPLOAD, c_last_error
Reason and Prerequisites
This problem is caused by an error during the [...]

Symptom
After upgrading to BIA revision 49, you get a warning in the rfc_check: Check active communication method (ICM / TCM)
Remark: TCM was formerly known as DBDL.
Other terms
ICM, TCM, DBSL, rfc_check, alertserver, warning
Reason and Prerequisites
You have upgraded to BIA revision 49. There is an error in the RFC check.
Solution
Apply SAP Note 1293777.

Symptom
In the HTTP log file of the ICM or the SAP Web Dispatcher, the system no longer writes response cookies.
Other terms
response cookies, HTTP, HyperText Transfer Protocol, logging, missing, ICM, Internet Communication Manager,
Reason and Prerequisites
Reason:
This problem is caused by a program error in the kernel.
Prerequisites:
This error occurs as of the following kernel patch levels:
7.00: 191
7.01: 025
7.10: [...]

Symptom
The syslog Q01 occurs when an attempt to write to a network connection fails.
The trace file dev_w* of the affected work process contains
entries such as the following:
M ***LOG Q0I=> NiIWrite: writev (32: Broken pipe) [nixxi.cpp 3948]
M *** ERROR => NiIWrite: SiSendV failed for hdl / sock
(SI_ECONN_BROKEN/32; UD; ST; 127.0.0.1:
) [nixxi.cpp [...]

Symptom
During HTTP requests to the ICM or the SAP Web Dispatcher, error 400 (Bad Request) occurs.
Other terms
mpi/buffer_size, Bad Request, ICM, Content Filter
Reason and Prerequisites
If you used the profile parameter mpi/buffer_size to change the MPI buffer, errors may occur during request analysis within the SAP Content Filter; these errors cause the rejection.
Solution
The following kernel versions [...]