2416859 - PI tools fail to open: Message server not available | SAP Knowledge Base Article

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2416859 - PI tools fail to open: Message server not available


You are trying to open the PI tools - Integration Repository (ESR), Integration Builder (IB) - but they are not opening.

From the Java WebStart Console trace (SAP note 1891480) the following error can be seen:

ERROR com.sap.aii.ib.clsif.login.EJBHomeFactory: MessageID=IBF.clntlib.<num>#Message server not available ms://<host>:<port>/P4
com.sap.aii.utilxi.misc.api.ReconnectRuntimeException: Cannot connect to server using message server: ms://<host>:<port>/P4
at com.sap.aii.ib.clsif.login.EJBHomeFactory.getInitialContext(EJBHomeFactory.java:704)
at com.sap.aii.ib.clsif.login.EJBHomeFactory.connect(EJBHomeFactory.java:481)
at com.sap.aii.ib.clsif.login.EJBHomeFactory.initRemoteFactory(EJBHomeFactory.java:142)
at com.sap.aii.ib.clsif.login.LoginServiceImpl.login(LoginServiceImpl.java:227)
at com.sap.aii.ib.clsif.login.LoginServiceImpl.login(LoginServiceImpl.java:146)
at com.sap.aii.ib.gui.login.SplashLoginFrame$LoginController.doTrial(SplashLoginFrame.java:1150)
at com.sap.aii.ib.gui.login.SplashLoginFrame$StartupWaiter$1$1.run(SplashLoginFrame.java:975)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
Caused by: javax.naming.NamingException: Exception while trying to get InitialContext.
at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:386)
at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
at javax.naming.InitialContext.init(Unknown Source)
at javax.naming.InitialContext.&lt;init&gt;(Unknown Source)
at com.sap.aii.ib.clsif.login.EJBHomeFactory.getInitialContext(EJBHomeFactory.java:688)
Caused by: com.sap.engine.interfaces.cross.DestinationException: Cannot establish connection with any of the available profiles. Check if server is started, access point for the protocol is available, and IP/Host name is accessible on the network.
URL=ms://<host>:<port>/P4, protocol=P4(None), Reason: java.net.UnknownHostException: <host>;
at com.sap.engine.interfaces.cross.Destination.getNextAvailableBroker(Destination.java:73)
at com.sap.engine.interfaces.cross.Destination.getRemoteBroker(Destination.java:39)
at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:298)
Caused by: java.net.UnknownHostException: <host>
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$2.lookupAllHostAddr(Unknown Source)
at java.net.InetAddress.getAddressesFromNameService(Unknown Source)
at java.net.InetAddress.getAllByName0(Unknown Source)
at java.net.InetAddress.getAllByName(Unknown Source)
at java.net.InetAddress.getAllByName(Unknown Source)
at java.net.InetAddress.getByName(Unknown Source)
at com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.getInitialConnection(P4ObjectBrokerClientImpl.java:954)
at com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.getRemoteBroker(P4ObjectBrokerClientImpl.java:898)
at com.sap.engine.interfaces.cross.Destination.getNextAvailableBroker(Destination.java:59)

The error still persists after you configured the "Hosts" file on OS level with the right IP address and the Fully Qualified Domain Name (FQDN).



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


SAP NetWeaver 7.0 ; SAP NetWeaver 7.1 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0


PI tools, Integration, Repository, Builder, ESR, IB, Open, Java WebStart Console, EJBHomeFactory, Message server not available, ms://, P4, ReconnectRuntimeException, Cannot connect, Server, Message Server, NamingException, InitialContext, DestinationException, Cannot establish connection, Profiles, Protocol, Inet6AddressImpl, lookupAllHostAddr, Native Method, InetAddress$2, Hosts, OS level, IP address, Fully Qualified Domain Name, FQDN, IPv4, IPv6, Djava, preferIPv4Stack, Parameter, JVM, Java configtool, Restart, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-IBC , Integration Builder - Configuration , Problem

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