Unable to restore Ignition Demo Project - Gateway fails

Ignition
1

Ubuntu 18.4, Version,
Ignition 7.9.9

openjdk version “1.8.0_181”
OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-0ubuntu0.18.04.1-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)
…

alam@alamltubuntu1804:~$ /etc/init.d/ignition start
Starting Ignition-Gateway…
Waiting for Ignition-Gateway…
WARNING: Ignition-Gateway may have failed to start.
…

If i uninstall Ignition completely and reinstall, GW starts and i can restore any other project. If i try to restore Demo project, GW fails completely. I have attached wrapper.log. Thanks.

wrapper.log (129.1 KB)

2

What is likely happening is that the demo gwbk has one garbage collector defined, but the restoration process adds another one. If you restore the demo project, open data/ignition.conf and look for a line containing this:
-XX:+UseG1GC

Comment out that line in the file using ‘#’ at the front of the line. Then try starting the gateway again. I believe we have a bug report on our side to correct this behavior.

1 Like
3

Thanks. I will try that. Meanwhile, i have reverted back to "Version: 7.9.7 (b2018032914)" and everything is back to normal. FYI, the issue is same with 7.9.8 also.

4

Works. After restoring demo, i commented out the line and restarted Ignition. Back to normal. Thanks.

5

This is on my radar to investigate; a fix will likely go into 7.9.10 depending on what the root cause is.

1 Like
6

Probably ought to recommend commenting out the other garbage collector. G1GC is superior to all others for Ignition duty.