Hello everyone, 
A few days ago I run a certbot update for an existing certificate that caused 
me a few issues. 
I tried to reverse the changes made but I have not managed to run Accumulo 
properly after that. 
My first indication that there was a problem was that the Geoserver was 
freezing when trying to load the datastores. 
After some investigation, see attached log, I have realized that Accumulo is 
not starting/closing properly. 
After a few tries I came across this, on start up:
Exception in thread "Thread-2" java.lang.RuntimeException: No files-cache 
implementation set. at 
org.apache.commons.vfs2.provider.AbstractFileSystem.getCache(AbstractFileSystem.java:209)
 at 
org.apache.commons.vfs2.provider.AbstractFileSystem.getFileFromCache(AbstractFileSystem.java:222)
 at 
org.apache.commons.vfs2.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:332)
 at 
org.apache.commons.vfs2.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:317)
 at 
org.apache.commons.vfs2.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:2007)
 at 
org.apache.commons.vfs2.provider.AbstractFileObject.resolveFiles(AbstractFileObject.java:2052)
 at 
org.apache.commons.vfs2.provider.AbstractFileObject.getChildren(AbstractFileObject.java:1222)
 at 
org.apache.commons.vfs2.impl.DefaultFileMonitor$FileMonitorAgent.checkForNewChildren(DefaultFileMonitor.java:553)
 at 
org.apache.commons.vfs2.impl.DefaultFileMonitor$FileMonitorAgent.check(DefaultFileMonitor.java:667)
 at 
org.apache.commons.vfs2.impl.DefaultFileMonitor$FileMonitorAgent.access$200(DefaultFileMonitor.java:423)
 at 
org.apache.commons.vfs2.impl.DefaultFileMonitor.run(DefaultFileMonitor.java:376)
 at java.lang.Thread.run(Thread.java:748)
And I  have found in the logs:
[impl.MasterClient] DEBUG:  Failed to connect to master=localhost:9999, will 
retry... org.apache.thrift.transport.TTransportException: 
java.net.ConnectException: Connection refused (Connection refused)
Could this be related that in my effort to reverse the changes from certbot I 
uninstalled and installed apache2?
Best regards, Maria. 

Attachment: threads.log
Description: Binary data



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