error log for mongolab

mongolab.error.json

{
    "message": "can't call something : /10.44.119.163:29117/xx_watcher",
    "class": "com.mongodb.MongoException$Network",
    "stackTrace": [
        "com.mongodb.DBPort._open(DBPort.java:206)",
        "com.mongodb.DBPort.go(DBPort.java:94)",
        "com.mongodb.DBPort.go(DBPort.java:75)",
        "com.mongodb.DBPort.findOne(DBPort.java:129)",
        "com.mongodb.DBPort.runCommand(DBPort.java:138)",
        "com.mongodb.DBPort.checkAuth(DBPort.java:283)",
        "com.mongodb.DBPort.checkAuth(DBPort.java:277)",
        "com.mongodb.DBTCPConnector.call(DBTCPConnector.java:206)",
        "com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:296)",
        "com.mongodb.DB.command(DB.java:152)",
        "com.mongodb.DB.command(DB.java:137)",
        "com.mongodb.DB.command(DB.java:171)",
        "com.mongodb.DB.getStats(DB.java:227)",
        "org.olabs.portal.api.RunCommandResource.handlePost(RunCommandResource.java:80)",
        "org.objectlabs.ws.RESTResource.servicePost(RESTResource.java:217)",
        "org.objectlabs.ws.RESTResource.service(RESTResource.java:169)",
        "org.objectlabs.ws.ResourceServlet.service(ResourceServlet.java:134)",
        "javax.servlet.http.HttpServlet.service(HttpServlet.java:717)",
        "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)",
        "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
        "net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:157)",
        "net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:131)",
        "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)",
        "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
        "org.olabs.mongolabs.http.cors.CrossOriginResourceFilter.doFilter(CrossOriginResourceFilter.java:117)",
        "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)",
        "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
        "org.olabs.mongolabs.user.login.AbstractAuthenticationScheme.doFilter(AbstractAuthenticationScheme.java:115)",
        "org.olabs.mongolabs.user.login.AbstractAuthenticationScheme.doFilter(AbstractAuthenticationScheme.java:110)",
        "org.olabs.mongolabs.user.login.LoginGatekeeper.doFilter(LoginGatekeeper.java:78)",
        "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)",
        "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)",
        "org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)",
        "org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)",
        "org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)",
        "org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)",
        "org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)",
        "org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)",
        "org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)",
        "org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)",
        "org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)",
        "org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)",
        "org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)",
        "org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)",
        "java.lang.Thread.run(Thread.java:662)"
    ]
}