We had a similar problem. Try adding -Djava.net.preferIPv4Stack=true to the VM parameters.
On Wed, Sep 1, 2021 at 3:22 PM Kamlesh Joshi <kamlesh.jo...@ril.com> wrote: > Hi Igniters, > > > > We have upgraded OS version from Red Hat 6.10(Santiago) to 7.8(Maipo) in > Client server. Ignite cluster nodes’ OS are already on 7.8, we just > upgraded client server OS. > > > > After upgrading client server, we are facing slow connections with cluster > almost 5 mints. Sometimes it's not even able to connect to cluster from the > client server, so had to retry multiple times. > > We have another client server with OS version 6.10 from which we are not > facing such issue. > > > > *Is there any issue compatibility issue with Red Hat 7.8 version. We are > using ignite 2.7.6 version.* > > > > *Please find netstat output below of upgraded client server:* > > > > Proto Recv-Q Send-Q Local Address Foreign Address > State PID/Program name > > (Not all processes could be identified, non-owned process info > > will not be shown, you would have to be root to see it all.) > > tcp 0 0 0.0.0.0:47101 0.0.0.0:* > LISTEN 38647/bwengine > > tcp 0 0 0.0.0.0:10801 0.0.0.0:* > LISTEN 38647/bwengine > > *tcp 6674800 0 ClientIP:49917 ServerIP:47500 > ESTABLISHED 38647/bwengine* > > udp 0 0 127.0.0.1:49634 127.0.0.1:53 > ESTABLISHED 38647/bwengine > > unix 2 [ ] STREAM CONNECTED 142186514 38647/bwengine > > unix 3 [ ] STREAM CONNECTED 142148803 38647/bwengine > > unix 2 [ ] STREAM CONNECTED 142053176 38647/bwengine > > unix 3 [ ] STREAM CONNECTED 142112733 38647/bwengine > > unix 3 [ ] STREAM CONNECTED 142148802 38647/bwengine > > unix 3 [ ] STREAM CONNECTED 142112732 38647/bwengine > > > > Any pointers on this would be helpful. > > > > *Thanks and Regards,* > > *Kamlesh Joshi* > > > > > "*Confidentiality Warning*: This message and any attachments are intended > only for the use of the intended recipient(s), are confidential and may be > privileged. If you are not the intended recipient, you are hereby notified > that any review, re-transmission, conversion to hard copy, copying, > circulation or other use of this message and any attachments is strictly > prohibited. If you are not the intended recipient, please notify the sender > immediately by return email and delete this message and any attachments > from your system. > > *Virus Warning:* Although the company has taken reasonable precautions to > ensure no viruses are present in this email. The company cannot accept > responsibility for any loss or damage arising from the use of this email or > attachment." >
