Class Cast Exception in Destination Factory

Hello all,

We currently want to use the Destination Factory API to access a backend system over the Hana Cloud Connector. Unfortunately we receive an exception we are currently not understanding:

2015 11 02 16:59:10#+00#ERROR#com.sap.csc.customer.poc.project.dcs.backend.odata.ODataClient##anonymous#Thread-7#na#customerprojectpocqafactory#customerpoc#web##Failed to create an HTTP client from the destination configuration name X_Gateway: Cannot cast class com.sap.core.connectivity.cloud.destinations.CloudDestinationFactory to interface com.sap.core.connectivity.api.DestinationFactory

java.lang.ClassCastException: Cannot cast class com.sap.core.connectivity.cloud.destinations.CloudDestinationFactory to interface com.sap.core.connectivity.api.DestinationFactory

at com.sap.csc.customer.poc.project.dcs.backend.odata.ODataClient.getHttpClient(ODataClient.java:781)

at com.sap.csc.customer.poc.project.dcs.backend.odata.ODataClient.readEdm(ODataClient.java:281)

at com.sap.csc.customer.poc.project.dcs.backend.BackendConnectivity.testBackendConnectivity(BackendConnectivity.java:56)

at com.sap.csc.customer.poc.project.dcs.backend.BackendConnectivity.<init>(BackendConnectivity.java:36)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

at java.lang.Class.newInstance(Class.java:392)

at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:116)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4919)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5517)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)

at org.eclipse.gemini.web.tomcat.internal.TomcatServletContainer.startWebApplication(TomcatServletContainer.java:125)

at org.eclipse.gemini.web.internal.StandardWebApplication.start(StandardWebApplication.java:109)

at org.eclipse.gemini.web.extender.WebContainerBundleCustomizer.addingBundle(WebContainerBundleCustomizer.java:49)

at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:482)

at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:1)

at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:262)

at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:234)

at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:457)

at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847)

at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)

at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1523)

at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1459)

at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1454)

at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:391)

at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:299)

at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:291)

at com.sap.core.js.deployer.watchservice.WARDeployer.deployStartStep(WARDeployer.java:816)

at com.sap.core.js.deployer.watchservice.WARDeployer.bulkDeploy(WARDeployer.java:731)

at com.sap.core.js.deployer.watchservice.FileSystemEventsListener.triggerBulkDeployment(FileSystemEventsListener.java:118)

at com.sap.core.js.deployer.watchservice.FileSystemEventsListener.onChange(FileSystemEventsListener.java:58)

at org.eclipse.virgo.util.io.FileSystemChecker.notifyListeners(FileSystemChecker.java:245)

at org.eclipse.virgo.util.io.FileSystemChecker.check(FileSystemChecker.java:166)

at com.sap.core.js.deployer.watchservice.WatchTask.run(WatchTask.java:29)

at java.lang.Thread.run(Thread.java:812)|

2015 11 02 16:59:10#+00#ERROR#com.sap.csc.customer.poc.project.dcs.backend.BackendConnectivity##anonymous#Thread-7#na#customerprojectpocqafactory#customerpoc#web##Failed to test odata

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)

at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1916)

at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:279)

at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:273)

at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1469)

at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:213)

at sun.security.ssl.Handshaker.processLoop(Handshaker.java:913)

at sun.security.ssl.Handshaker.process_record(Handshaker.java:849)

at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1035)

at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1344)

at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1371)

at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1355)

at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:275)

at org.apache.http.impl.conn.HttpClientConnectionOperator.upgrade(HttpClientConnectionOperator.java:169)

at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.upgrade(PoolingHttpClientConnectionManager.java:333)

at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:398)

at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)

at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)

at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)

at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)

at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)

at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)

at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)

at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)