I have the same error on UIM 8.51 and clearing cache does not help.
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Details:
com.firehunter.ump.exceptions.DataFactoryException : java.lang.RuntimeException: (120) Callback error, Received status (120) on response (for sendRcv) for cmd = 'dispatcher'
Please check the log for more information.
Stack Trace:
(1) error, java.lang.RuntimeException: (120) Callback error, Received status (120) on response (for sendRcv) for cmd = 'dispatcher': (120) Callback error, Received status (120) on response (for sendRcv) for cmd = 'dispatcher'
at com.nimsoft.events.client.EmsClient.handleServiceException(EmsClient.java:778)
at com.nimsoft.events.client.EmsClient.getInvalidAlarmsFromService(EmsClient.java:151)
at com.nimsoft.events.client.EmsClient.getInvalidAlarmIds(EmsClient.java:133)
at com.firehunter.usm.alarms.EmsAlarmProvider.getInvalidAlarmIds(EmsAlarmProvider.java:602)
at com.firehunter.usm.AlarmUtils.cleanAnnotations(AlarmUtils.java:180)
at com.firehunter.usm.AlarmUtils.getAlarmsFromDb(AlarmUtils.java:302)
at com.firehunter.usm.AlarmUtils.getAlarms(AlarmUtils.java:82)
at com.firehunter.usm.DataFactory.getAlarms(DataFactory.java:1078)
at com.firehunter.usm.DataFactory.getAlarms(DataFactory.java:1070)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at flex.messaging.services.remoting.adapters.JavaAdapter.invoke(JavaAdapter.java:421)
at flex.messaging.services.RemotingService.serviceMessage(RemotingService.java:183)
at flex.messaging.MessageBroker.routeMessageToService(MessageBroker.java:1503)
at flex.messaging.endpoints.AbstractEndpoint.serviceMessage(AbstractEndpoint.java:884)
at flex.messaging.endpoints.amf.MessageBrokerFilter.invoke(MessageBrokerFilter.java:121)
at flex.messaging.endpoints.amf.LegacyFilter.invoke(LegacyFilter.java:158)
at flex.messaging.endpoints.amf.SessionFilter.invoke(SessionFilter.java:44)
at flex.messaging.endpoints.amf.BatchProcessFilter.invoke(BatchProcessFilter.java:67)
at flex.messaging.endpoints.amf.SerializationFilter.invoke(SerializationFilter.java:146)
at flex.messaging.endpoints.BaseHTTPEndpoint.service(BaseHTTPEndpoint.java:278)
at flex.messaging.MessageBrokerServlet.service(MessageBrokerServlet.java:322)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.firehunter.ump.auth.InvalidHttpSessionFilter.doFilter(InvalidHttpSessionFilter.java:29)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:73)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:117)
at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:67)
at com.sun.proxy.$Proxy870.doFilter(Unknown Source)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:73)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:168)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)
at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:72)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:207)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)
at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: (120) Callback error, Received status (120) on response (for sendRcv) for cmd = 'dispatcher'
at com.ca.shift.client.RequestPoolRemoteEndpoint.invoke(RequestPoolRemoteEndpoint.java:39)
at com.ca.shift.client.RemoteInvocation.createInvocation(RemoteInvocation.java:87)
at com.ca.shift.client.RemoteInvocation.invoke(RemoteInvocation.java:56)
at serviceProxy$com.nimsoft.events.api.NasAlarmService.getInvalidAlarmIDs(Unknown Source)
at com.nimsoft.events.client.EmsClient.getInvalidAlarmsFromService(EmsClient.java:149)
... 58 more
Caused by: (120) Callback error, Received status (120) on response (for sendRcv) for cmd = 'dispatcher'
at com.nimsoft.nimbus.NimSessionBase.sendRcv(NimSessionBase.java:615)
at com.nimsoft.nimbus.NimSessionBase.sendRcv(NimSessionBase.java:561)
at com.nimsoft.nimbus.NimClientSession.send(NimClientSession.java:170)
at com.nimsoft.nimbus.NimRequest.sendImpersonate(NimRequest.java:263)
at com.nimsoft.nimbus.NimRequest.send(NimRequest.java:218)
at com.ca.shift.client.RequestPoolRemoteEndpoint.invoke(RequestPoolRemoteEndpoint.java:36)
... 62 more