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Migrate Mango to cloud server issue
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Hi,
I am trying to migrate Mango over to cloud server.
I get the error shown below when loading up Mango which I think its something to do with the server setup.
My current setup status is: I have setup Java at location /usr/java/jdk1.8.0_201-amd64 and I have been unable to get the JAVA_HOME system variable to register in /etc/environment even though I have added JAVA_HOME=/usr/java/jdk1.8.0_201-amd64 to this file. That is when I echo $JAVA_HOME it displays blank.
Any advice would be appreciated?
I am trying to get the website to display the usual Mango login screen so I guess I need the new URL to be something like <DOMAIN>:8080/ui/login . Any guides on setting this up? ThanksERROR 2019-03-22T10:06:36,569 (com.serotonin.m2m2.rt.maint.UpgradeCheck.run:66) - store.infiniteautomation.com: Name or service not known java.net.UnknownHostException: store.infiniteautomation.com: Name or service not known at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) ~[?:1.8.0_201] at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929) ~[?:1.8.0_201] at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324) ~[?:1.8.0_201] at java.net.InetAddress.getAllByName0(InetAddress.java:1277) ~[?:1.8.0_201] at java.net.InetAddress.getAllByName(InetAddress.java:1193) ~[?:1.8.0_201] at java.net.InetAddress.getAllByName(InetAddress.java:1127) ~[?:1.8.0_201] at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:373) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108) ~[httpclient-4.5.5.jar:4.5.5] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) ~[httpclient-4.5.5.jar:4.5.5] at com.serotonin.web.http.HttpUtils4.executeWithRetries(HttpUtils4.java:174) ~[mango-3.5.6.jar:?] at com.serotonin.web.http.HttpUtils4.getTextContent(HttpUtils4.java:132) ~[mango-3.5.6.jar:?] at com.serotonin.m2m2.web.dwr.ModulesDwr.getAvailableUpgrades(ModulesDwr.java:382) ~[mango-3.5.6.jar:?] at com.serotonin.m2m2.web.dwr.ModulesDwr.upgradesAvailable(ModulesDwr.java:291) ~[mango-3.5.6.jar:?] at com.serotonin.m2m2.rt.maint.UpgradeCheck.run(UpgradeCheck.java:54) ~[mango-3.5.6.jar:?] at com.serotonin.timer.Task.runTask(Task.java:179) ~[mango-3.5.6.jar:?] at com.serotonin.timer.TaskWrapper.run(TaskWrapper.java:23) ~[mango-3.5.6.jar:?] at com.serotonin.timer.OrderedThreadPoolExecutor$OrderedTaskCollection.run(OrderedThreadPoolExecutor.java:336) ~[mango-3.5.6.jar:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_201] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_201] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
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Hi Paulppe,
With regards to the
echo $JAVA_HOME
, did you log out of your ssh session and back in? The /etc/environment file doesn't automatically update the current user session.With regards to the
java.net.UnknownHostException
at the stack trace this is a DNS issue in the devices configuration or on the network.I am trying to get the website to display the usual Mango login screen so I guess I need the new URL to be something like <DOMAIN>:8080/ui/login . Any guides on setting this up? Thanks
If you have your domain registrar point the domain name at the public IP of your server, and there is not a firewall on a router or whatnot that needs to be punched through, that's all you'd need to do in a basic setup. Change the port to 80 in the env.properties file to lose the port from the URL.
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As Phil mentioned, logging out and logging in will refresh your environment variables.
I trust you followed the resource here for installing mango:
https://help.infiniteautomation.com/linux-installationAlso enter
cat /etc/resolv.conf
into your bash console to ensure you actually have name servers attached to your cloud instance.
Secondly, if you're already using the server with a webserver, mango won't fire on port 80 if it's already in use.
If that is the case, configuring a reverse proxy will be your port of call.
That's all for nowFox
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Hi Phil,
Thanks for the quick reply.- I now have the Mango login screen displaying on the cloud server. I resolved this by creating a firewall rule to allow traffic through to port 8080 (so effectively port forward). I may need to change to port 80 to lose the port from the URL in the future- thanks for that tip!
- The echo $JAVA_HOME. I did log out of ssh session so I think it should work. I need to look into this further but the issue right now may be my lack of linux use. I may need to add JAVA_HOME to the profile file instead.
- The java.net.UnknownHostException message at the stack trace- I got this message prior to creating the firewall rule so I need to check for this message when I restart Mango (I can only do this next week so I will keep you posted)
Great software and great support- much appreciated
Paul