Information
We are currently investigating an issue with the editor of some pages. Please save your work and avoid to create new pages until this banner is gone.
Why does manager print an error stack trace that begins with "Failed to invoke 'components_unavailable()"?
Sometimes manager prints out enormous error stack traces complaining that it cannot invoke some method of a client such as this:
[ Connected to 146.88.1.153:57431 ] 2004-08-03T21:57:01.300 Client 'ControlTestR0a' logged in.
#...
[ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] 2004-08-03T21:57:46.882 RemoteException caught while invoking 'Client.components_unavailable' on ClientInfo =3D { name =3D 'ControlTestR0a', Handle (0x2d60001) =3D { type =3D CLIENT, key =3D (0xd6), id =3D (0x1) } }. [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] [ Retrying to connect to 146.88.1.153:57431 ] 2004-08-03T21:57:46.876 Failed to invoke 'components_unavailable()' method. 2004-08-03T21:57:48.887 Exception report: -------------------->( 0 )<-------------------- org.omg.CORBA.TRANSIENT: Retries exceeded, couldn't reconnect to 146.88.1.153:57431 vmcid: 0x0 minor code: 0 completed: No at org.jacorb.orb.connection.Client_TCP_IP_Transport.connect(Unknown Source) at org.jacorb.orb.connection.TCP_IP_Transport.write(Unknown Source) at org.jacorb.orb.connection.GIOPConnection.write(Unknown Source) at org.jacorb.orb.CDROutputStream.write(Unknown Source) at org.jacorb.orb.connection.ServiceContextTransportingOutputStream.write_to(Unknown Source) at org.jacorb.orb.connection.GIOPConnection.sendMessage(Unknown Source) at org.jacorb.orb.connection.ClientConnection.sendRequest(Unknown Source) at org.jacorb.orb.Delegate.invoke(Unknown Source) at org.omg.CORBA.portable.ObjectImpl._invoke(ObjectImpl.java:457) at si.ijs.maci._ClientStub.components_unavailable(_ClientStub.java:31) at com.cosylab.acs.maci.plug.ClientProxy.components_unavailable(ClientProxy.java:131) at com.cosylab.acs.maci.manager.ManagerImpl$1ComponentUnavailableTask.run(ManagerImpl.java:4050) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:728) at java.lang.Thread.run(Thread.java:534) --------------------------------------------------
#...
A client that has connected to manager did not disconnect properly following the guidlines ACS has set fourth in documentation and examples. In simple terms, either:
-- DavidFugate - 14 Aug 2004