Dominik Borkowski created GUACAMOLE-1271:
--------------------------------------------
Summary: Debugging failing guacamole client container in AWS ECS
Key: GUACAMOLE-1271
URL: https://issues.apache.org/jira/browse/GUACAMOLE-1271
Project: Guacamole
Issue Type: Bug
Components: guacamole-client
Affects Versions: 1.3.0
Environment: Amazon ECS (Amazon Linux 2)
Reporter: Dominik Borkowski
Hello,
We use both the client and server guacamole images in Amazon ECS. With recent
attempt to switch to version 1.3.0 the client containers seem to die upon start
with the following error:
```
19-Jan-2021 20:17:21.304 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application
archive [/usr/local/tomcat/webapps/guacamole.war] has finished in [4,873] ms
19-Jan-2021 20:17:21.307 INFO [main] org.apache.coyote.AbstractProtocol.start
Starting ProtocolHandler ["http-nio-8080"]
19-Jan-2021 20:17:21.316 INFO [main] org.apache.catalina.startup.Catalina.start
Server startup in 4981 ms
19-Jan-2021 20:19:55.238 INFO [Thread-4]
org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler
["http-nio-8080"]
19-Jan-2021 20:19:55.254 INFO [Thread-4]
org.apache.catalina.core.StandardService.stopInternal Stopping service
[Catalina]
19-Jan-2021 20:19:55.285 WARNING [localhost-startStop-2]
org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web
application [guacamole] appears to have started a thread named
[com.google.inject.internal.util.$Finalizer] but has failed to stop it. This is
very likely to create a memory leak. Stack trace of thread:
java.lang.Object.wait(Native Method)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
com.google.inject.internal.util.$Finalizer.run(Finalizer.java:114)
19-Jan-2021 20:19:55.296 INFO [Thread-4]
org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler
["http-nio-8080"]
19-Jan-2021 20:19:55.299 INFO [Thread-4]
org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler
["http-nio-8080"]
```
Additional information:
* Affected image is `guacamole/guacamole:1.3.0`, while
`guacamole/guacamole:1.2.0` works just fine, as do all the earlier versions
* Switching back and forth reliably shows that 1.3.0 fails, while 1.2.0 works
fine
* `guacamole/guacd:1.3.0` works fine
* Local execution of `guacamole/guacamole:1.3.0` works fine
* Building from source code at branch 1.3.0 and using that with ECS shows the
same exact error
I'm a bit at a loss as to how to debug this further. Guacd has an option for
additional debugging that can be enabled via an environment variable, but I
can't seem to find one for the client.
I'd appreciate any input, thank you in advance!
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