New logon despite stored logon data

July 30, 2009 at 7:03 am

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Symptom
Although you define logon data for a service in transaction SICF, a new logon is required when you execute the HTTP request.
Other terms
HTTP, logon, login
Reason and Prerequisites
You must take the following points into account when maintaining logon data for an Internet Communication Framework (ICF) service:
1. Checking the maintained logon data in the service.When maintaining [...]

Performance and parallelization of HTTP requests in browser

July 30, 2009 at 6:54 am

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Symptom
The Internet Explorer and Firefox browsers open only few parallel HTTP ports. This means that if there is a Web page that uses the HTML tag “iframe” to include several web frames or it contains several files to be downloaded, the system fails to process all of the web frames (files) [...]

Misleading log error messages “Client certificate error.”

July 10, 2009 at 3:57 am

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Symptom
In the default trace files the following error messages appear even when there is no real error observed:
Client certificate error.IP address
[EXCEPTION]
{0}#1#javax.net.ssl.SSLPeerUnverifiedException: Peer identity not verified
at com.sap.bc.proj.jstartup.fca.FCAConnection.getPeerCertificateChain(FCAConnection.java:452)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:423)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:250)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:45)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:109)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:314)
Other terms
j2ee engine, http server, SSL, certificate, authentication
Reason and Prerequisites
The above errors can be written to the default traces in the case when the [...]

Creating plug-in trace files for troubleshooting

July 3, 2009 at 3:01 am

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Symptom
This note describes different options to create plug-in trace information. You need this information for analyzing plug-in problems. Troubleshooting depends also always on the actual problem constellations. HTTP, HTTPS and SMTP figure among the plug-in logs.
Other terms
Trace, Plugin, HTTP, HTTPS, SSL, SMTP
Reason and Prerequisites
In the following, plug-in communication refers to one of the [...]

Download and start of SAP Shortcut from URL fails

July 2, 2009 at 9:34 am

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Symptom
When trying to download and start an SAP Shortcut from an URL received e.g. via mail, Internet Explorer is started to download the SAP Shortcut from the specified site. After the download is completed, Internet Explorer is closed again but the SAP Shortcut is not started.
Other terms
SAP Shortcut, http, URL, Internet Explorer
Not all [...]