wso2 esb error Cannot get all services. Backend service may be unavailable

Hi am working with WSO2 ESB 4.7.0

I am facing an error while accessing the wso2 esb management console as shown below.

Error says that one of my service is unable retrieve security scenario for service.

The following error details are available. Please refer logs for more details.
org.apache.axis2.AxisFault: Cannot get all services. Backend service may be unavailable
at org.wso2.carbon.service.mgt.ui.ServiceAdminClient.handleException(ServiceAdminClient.java:428)
at org.wso2.carbon.service.mgt.ui.ServiceAdminClient.getAllServices(ServiceAdminClient.java:89)
at org.apache.jsp.service_002dmgt.index_jsp._jspService(org.apache.jsp.service_002dmgt.index_jsp:167)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:177)
at org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:161)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
at org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:57)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.axis2.AxisFault: Cannot retrieve security scenario for service GeoLocationInsertion2.0
at org.apache.axis2.util.Utils.getInboundFaultFromMessageContext(Utils.java:531)
at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:367)
at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:413)
at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:224)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:149)
at org.wso2.carbon.service.mgt.stub.ServiceAdminStub.listServices(ServiceAdminStub.java:8211)
at org.wso2.carbon.service.mgt.ui.ServiceAdminClient.getAllServices(ServiceAdminClient.java:87)

Any Suggestions....

Thanks...!

Solution

Stop the server. Try to remove the folder content in [WSO2_HOME]\repository\deployment\server\servicemetafiles\ and start the server. Make a copy of this file in another location before that