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Hi, Fred, Alistair, thanks a lot for useful hints. Our MON box is actually linked with se (212.87.13.19), so your configuration is correct. 212.87.13.222 is the address of our NAT gateway, which is translating connections from WNs. I've done some investigation, and it seems that our firewall also changes the source address of the connections from public grid machines (ce,se). On the 15 Sep. there were slight firewall reconfiguration, and it correlates with the beginning of the problems. I will ask the administrator of our firewall to fix that problem.. Best regards, Adam Alastair Duncan wrote: > On Mon, 2005-09-19 at 09:41, Adam Padee wrote: > > Dear all, > > > > I've got a problem with R-GMA. > > Since 2005-09-15 the client test fails with error message included > > below. > > Wiki page > > http://goc.grid.sinica.edu.tw/gocwiki/Unable_to_locate_an_available_Registry_Service > > > > says that this error is caused by incorrect configuration of Registry on > > R-GMA server, but I didn't change anything in the configuration since > > August. > > Do you have any clues what may be wrong with it? > > Yup, you've been blocked. > > The machine se.polgrid.pl has a DNS resolution of 212.87.13.19 This ip > address is allowed in the access control list. The machine that has been > blocked is 212.87.13.222 as this machine does not have ports 8080 and > 8088 open and so replies to R-GMA requests are failing. You need to open > these ports to enable communication to your MON box, I'm assuming that > 212.87.13.222 is your MON box here. > > You do not have 212.87.13.222 as a registered ip address/machine in the > GOC database for your site, this does help when we are trying to > diagnose problems. > > regards > > Alastair > > > > > Best regards, > > Adam > > > > > > [root@se root]# /opt/glite/bin/rgma-client-check > > > > *** Running R-GMA client tests on se.polgrid.pl *** > > > > Checking C API: Failed to create producer. > > <Unable to locate an available Registry Service> > > Failure > > Checking C++ API: R-GMA application error in PrimaryProducer. > > Unable to locate an available Registry Service > > Success > > Checking Python API: RGMA Error Failed to instantiate StreamProducer > > Failure > > Checking Java API: R-GMA application error in PrimaryProducer. > > org.glite.rgma.RGMAException: Unable to locate an available Registry > > Service > > at > > org.glite.rgma.stubs.ProducerFactoryStub.createPrimaryProducer(ProducerFactoryStub.java:90) > > > > at PrimaryProducerExample.main(Unknown Source) > > Failure > > > > Checking for safe arrival of tuples, please wait... ERROR: Failed to > > instantiate Consumer > > There should be 4 tuples, there was only: > > > > *** R-GMA client test failed *** > > > > [root@se root]#