In UNIX installations of Crystal Enterprise, or in Windows installations that use a Java SDK, there is no WCS and no Web Connector. Instead, the web server communicates directly with the application server that hosts the Crystal Enterprise SDK. The Web Component Adapter (WCA) runs within the application server and provides all WCS services that are not directly supported by the Java SDK. Because the WCA runs on an application server, it is not necessary to have a Web Connector on the web server. The web server passes requests directly to the application server, which then forwards the requests on to the WCA.
In this environment the WCA has two primary roles: it processes Crystal Server Pages (.csp files), and it also supports Crystal applications that formerly relied upon the WCS. These applications include the Crystal Management Console (CMC) and Crystal report viewers (that are implemented through viewrpt.cwr requests).
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