Webdynpro Adaptive RFC Applications fails to run when SNC Mode is configured in the Wedbynpro JCO Destiantions.
SAP Dictionary and webdynpro doesn't pass the parameters related to SNC when fetching the metadata from backend which causes the RFC_ERROR_COMMUNICATION while executing the application. Error comes only when SNC Mode is configured in respective Webdynpro JCO Destinations in webdynpro content administrator.
Issue is fixed from SAP Dictionary please see the SAP notes 1353176,1394101 .
The issue described above will be fixed by a WebDynpro for Java patch. In section "SP Patch Level" you can find information which patches contain the respective correction. Please install this patch or a newer one (WebDynproRuntime patches are always cumulative).
If the section "SP Patch Level" is not available or the information about which patch contains the correction is missing, this means that this has not been determined, yet. In this case please re-check this note at a later point of time.
Downloading WebDynpro for Java Patches
All WebDynpro for Java patches are available on SAP Service Marketplace. Note 330793 explains how to download patches from SAP Service Marketplace.
Update your system via JSPM.
Please refer the link to the official documentation for JSPM.
NW04 / NW 6.40
The patch for this release will be in SAR file, extract them to get SDA's. Further sda's can be deployed using JSPM.
NW04S/ NW 7.00
The patch for this release will be SCA's. Deploy the sca's directly using JSPM.
In the "SP Patch Level" tab, if there is no software component for SAP_JTECHS, then please apply the latest relevant SAPJTECHS.SCA which is available in the service market place.
Due to the fact that many of the SDAs included in the SCA are offine deployment, the engine is restarted during the deployment. An update is only required on the engine.
The required time depends on whether the engine has to be restarted. In addition, the time required for the restart is determined by the applications installed on the engine.