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java.lang.NullPointerException: 	at oracle.webdb.providerui.builder.impl.WebClippingProviderValidator.validateRepository(Unknown Source)	at oracle.webdb.providerui.builder.impl.WebClippingProviderValidator.validate(Unknown Source)	at oracle.webdb.providerui.event.EventManager.validate(Unknown Source)	at oracle.webdb.providerui.event.ProviderEventManager.saveDetails(Unknown Source)	at oracle.webdb.providerui.event.ProviderEventManager.handleApply(Unknown Source)	at java.lang.reflect.Method.invoke(Native Method)	at oracle.cabo.servlet.event.MethodEventHandler.handleEvent(Unknown Source)	at oracle.cabo.servlet.event.TableEventHandler.handleEvent(Unknown Source)	at oracle.cabo.servlet.event.TableEventHandler.handleEvent(Unknown Source)	at oracle.cabo.servlet.event.BasePageFlowEngine.handleRequest(Unknown Source)	at oracle.cabo.servlet.AbstractPageBroker.handleRequest(Unknown Source)	at oracle.cabo.servlet.ui.BaseUIPageBroker.handleRequest(Unknown Source)	at oracle.cabo.servlet.PageBrokerHandler.handleRequest(Unknown Source)	at oracle.cabo.servlet.UIXServlet.doGet(Unknown Source)	at oracle.cabo.servlet.BajaServlet.doGet(Unknown Source)	at oracle.cabo.servlet.UIXServlet.doPost(Unknown Source)	at oracle.cabo.servlet.BajaServlet.doPost(Unknown Source)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)	at oracle.webdb.providerui.service.RequestFilter902.doFilter(Unknown Source)	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:604)	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)	at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)	at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)	at java.lang.Thread.run(Thread.java:484)