CPA cache refresh error

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Hi,

I try to execute the CPA cache refresh

http://middlewaredev:50000/CPACache/refresh?mode=full

but it throws the following message:

CPA cache refresh (mode=full) successfully executed in 47 milliseconds.

Negative confirmation:

<?xml version="1.0" encoding="UTF-8"?>

<EngineName>af.xid.middlewaredev</EngineName>

CPA Cache not updated with directory data.

</Message>

<Trace>

com.sap.aii.af.service.cpa.impl.exception.CPADirectoryCacheException: Couldn't open Directory URL (http://middlewaredev:50000/dir/hmi_cache_refresh_service/ext?method=CacheRefresh&mode=F&consumer=af.xid.middlewaredev), due to: HTTP 401: Unauthorized

at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.getDataFromDirectory(DirectoryAccess.java:382)

at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.getFullCacheUpdateXML(DirectoryAccess.java:531)

at com.sap.aii.af.service.cpa.impl.cache.CacheManager.performCacheUpdate(CacheManager.java:588)

at com.sap.aii.af.service.cpa.impl.servlet.CacheRefresh.process(CacheRefresh.java:104)

at com.sap.aii.af.service.cpa.impl.servlet.CacheRefresh.doGet(CacheRefresh.java:53)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)

at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)

at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)

at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)

at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)

at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)

at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)

at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)

at java.security.AccessController.doPrivileged(Native Method)

at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:95)

at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:160)

</Trace>

</GlobalError>

Confirmation handling failed.

</Message>

<Trace>

com.sap.aii.af.service.cpa.impl.exception.CPADirectoryCacheException: Couldn't send confirmation, due to: Couldn't access Confirmation URL, due to: HTTP 401: Unauthorized

at com.sap.aii.af.service.cpa.impl.cache.directory.DirectoryAccess.invokeConfirmationURL(DirectoryAccess.java:454)

at com.sap.aii.af.service.cpa.impl.cache.CacheManager.performCacheUpdate(CacheManager.java:722)