Problems logging into IBM Process Designer 7.5

If you are having problems logging into IBM Process Designer 7.5 the problem may be the following:
com.ibm.ws.orbimpl.transport.WSTransport getHostIPAddress:137 Thread-10 ORBRas[default]  java.net.UnknownHostException: psdev
	at java.net.InetAddress.getAllByName0(InetAddress.java:1263)
	at java.net.InetAddress.getAllByName(InetAddress.java:1185)
	at java.net.InetAddress.getAllByName(InetAddress.java:1107)
	at java.net.InetAddress.getByName(InetAddress.java:1057)
	at com.ibm.CORBA.transport.TransportBase.getHostIPAddress(TransportBase.java:133)
	at com.ibm.rmi.iiop.TransportManager.getHostIPAddress(TransportManager.java:184)
	at com.ibm.rmi.Profile.getHostIPAddress(Profile.java:476)
	at com.ibm.ISecurityLocalObjectBaseL13Impl.SecurityConnectionInterceptor.getHostfromProfile(SecurityConnectionInterceptor.java:2685)
	at com.ibm.ISecurityLocalObjectBaseL13Impl.SecurityConnectionInterceptor.getConnectionKeyForLocateRequest(SecurityConnectionInterceptor.java:1419)
	at com.ibm.ISecurityLocalObjectBaseL13Impl.SecurityConnectionInterceptor.getConnectionKey(SecurityConnectionInterceptor.java:1282)
	at com.ibm.ws.orbimpl.transport.WSTransport.getConnection(WSTransport.java:293)
	at com.ibm.CORBA.transport.TransportBase.getConnection(TransportBase.java:187)
	at com.ibm.rmi.iiop.TransportManager.get(TransportManager.java:89)
	at com.ibm.rmi.iiop.GIOPImpl.getConnection(GIOPImpl.java:130)
	at com.ibm.rmi.iiop.GIOPImpl.locate(GIOPImpl.java:219)
	at com.ibm.rmi.corba.Corbaloc.locateUsingINS(Corbaloc.java:307)
	at com.ibm.rmi.corba.Corbaloc.resolve(Corbaloc.java:378)
	at com.ibm.rmi.corba.ORB.objectURLToObject(ORB.java:3751)
	at com.ibm.CORBA.iiop.ORB.objectURLToObject(ORB.java:3262)
	at com.ibm.rmi.corba.ORB.string_to_object(ORB.java:3649)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.stringToObject(WsnInitCtxFactory.java:1529)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getWsnNameService(WsnInitCtxFactory.java:1394)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getRootContextFromServer(WsnInitCtxFactory.java:949)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getRootJndiContext(WsnInitCtxFactory.java:866)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getInitialContextInternal(WsnInitCtxFactory.java:546)
	at com.ibm.ws.naming.util.WsnInitCtx.getContext(WsnInitCtx.java:123)
	at com.ibm.ws.naming.util.WsnInitCtx.getContextIfNull(WsnInitCtx.java:798)
	at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:164)
	at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:179)
	at javax.naming.InitialContext.lookup(InitialContext.java:455)
	at com.ibm.WebSphereSecurityImpl.SecurityServerImpl.getSecurityServer(SecurityServerImpl.java:255)
	at com.ibm.WebSphereSecurityImpl.SecurityServerImpl.<init>(SecurityServerImpl.java:88)
	at java.lang.J9VMInternals.newInstanceImpl(Native Method)
	at java.lang.Class.newInstance(Class.java:1325)
	at com.ibm.ISecurityLocalObjectBaseL13Impl.VaultImpl.getSecurityServer(VaultImpl.java:620)
	at com.ibm.ws.security.auth.ContextManagerImpl.getSecurityServer(ContextManagerImpl.java:2034)
	at com.ibm.ws.security.auth.ContextManagerImpl.access$400(ContextManagerImpl.java:339)
	at com.ibm.ws.security.auth.ContextManagerImpl$10.run(ContextManagerImpl.java:3819)
	at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:4566)
	at com.ibm.ws.security.auth.ContextManagerImpl.runAsSpecified(ContextManagerImpl.java:4634)
	at com.ibm.ws.security.auth.ContextManagerImpl.login(ContextManagerImpl.java:3817)
	at com.ibm.ws.security.auth.ContextManagerImpl.login(ContextManagerImpl.java:3684)
	at com.ibm.ws.security.auth.ContextManagerImpl.login(ContextManagerImpl.java:3680)
	at com.ibm.ws.security.auth.ContextManagerImpl.login(ContextManagerImpl.java:3451)
	at com.ibm.ws.naming.util.SecurityUtil$1.run(SecurityUtil.java:115)
	at com.ibm.ws.naming.util.SecurityUtil$1.run(SecurityUtil.java:111)
	at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
	at com.ibm.ws.naming.util.SecurityUtil.login(SecurityUtil.java:109)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getRootJndiContext(WsnInitCtxFactory.java:834)
	at com.ibm.ws.naming.util.WsnInitCtxFactory.getInitialContextInternal(WsnInitCtxFactory.java:546)
	at com.ibm.ws.naming.util.WsnInitCtx.getContext(WsnInitCtx.java:123)
	at com.ibm.ws.naming.util.WsnInitCtx.getContextIfNull(WsnInitCtx.java:798)
	at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:164)
	at com.ibm.ws.naming.util.WsnInitCtx.lookup(WsnInitCtx.java:179)
	at javax.naming.InitialContext.lookup(InitialContext.java:455)
	at com.lombardisoftware.client.delegate.common.ServiceLocator.lookup(ServiceLocator.java:230)
	at com.lombardisoftware.client.delegate.common.ServiceLocator.getSubject(ServiceLocator.java:365)
	at com.lombardisoftware.client.delegate.common.ServiceLocator.getSubject(ServiceLocator.java:351)
	at com.lombardisoftware.client.delegate.common.WebsphereDelegateHelper.doAsCurrentSubjectContextSensitive(WebsphereDelegateHelper.java:127)
	at com.lombardisoftware.client.delegate.ClientServicesDelegateDefault.loginCheck(ClientServicesDelegateDefault.java:2220)
	at com.lombardisoftware.client.ae.server.ServerPlugin.initialize(ServerPlugin.java:115)
	at com.lombardisoftware.client.ae.server.ServerPlugin.authenticate(ServerPlugin.java:84)
	at teamworks.ae.product.splash.InteractiveSplashHandler$Authenticate.run(InteractiveSplashHandler.java:755)
	at java.lang.Thread.run(Thread.java:736)
In windows add your server IP to your etc/host file.