EOF Exception in DBeaver when establishing a connection - postgresql

I'm using DBeaver and all of a sudden I'm facing this message whenever I try to establish a connection.
I don't have any additional information about this issue, but if you know where I can find it please let me know and I will provide it.
This occured moments after DBeaver popped a message asking to update de the drivers, so this might be related. So far I have tried to restart the PC and reinstall DBeaver, but with no success so far.
Did this ever happened to you? Any idea on what the problem might be?

Related

pgAdmin 4 error in creating a new server. (could not connect to server: connection refused)

I have downloaded postgreSQL version 11.1 on my MacBook version 10.14.2, while installing I got an error says the following:
" Problem running post-install step. Installation may not complete correctly The database cluster initialization failed." and then clicked on next. (Mentioned this, just in case if it is related to my problem)
The problem I have now is, I can't view anything under servers, and whenever I try to create a new server it shows me this message.
screenshot of error message
I'm new to this and don't know what to do, any idea what should be done?

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure & database disappeared & sql cmd line auto close

After running CCleaner and trying to debug a fix an Oauth password encryption type error, I have this error:
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure
and all the local databases seemed to have disappeared
I tried to create a new database with MYSQL command line. After entering my password, there was a error and the window closed.
I have tried many solutions to debug the errors e.g. setting
compile('org.hibernate:hibernate-core')
compile('org.hibernate:hibernate-entitymanager')
to resolve an EntityFactory error which lead to this error I think.
I also tried killing the process on port 3306. But I couldn't think of any other options. Any suggestions for next steps would be...?
Apparently mysql service stopped working at some point without me realizing. The solution was going to Start -> type 'service.msc' -> run mysql80 (stands for mysql version 8.0 I think).

PostgreSQL connection issue

I am new to PostgreSQL and I am trying to create a connection but I don't know for some reason my connection is not being established.
At first it said that cant hear the server so whenever I go in to task manager and try to run Postgres servers it says "THE SYSTEM CAN NOT FIND THE FILE SPECIFIED" so I tried to remove Postgres completely from the system but it not completely uninstalling it from my laptop. I think its just remaining some instances in to my laptop which is not letting it to uninstall completely.
please find the IMAGE here -> click here
I have attached the image above. Please see that. I have deleted every Postgress thing from my laptop but I think there is still some left in the laptop that is why it is showing this in the services.

PostgreSQL could not receive data from server: Software caused connection abort (0x00002745/10053)

I tried to establish a connection in pgAdmin to the PostgresSQL server.
I always get the message:
could not receive data from server: Software caused connection abort (0x00002745/10053).
I read several posts where people had the same problem but they didn't help me.
Because my version was a bit older I uninstalled the whole postgresql and installed the newest version with the installer of EnterpriseDB (PostgreSQL 9.6 on windows 64). Everything looks fine. But I can't connect to the server from pgAdmin 4 again. I get the same error message.
In the logfile is written: "An existing connection was forcibly closed by the remote host"
Has anybody a clue what the problem could be?
A partial solution for me was to restart the postgresql-server each time after booting up my computer with NET STOP and NET START. This was cumbersome but worked.
Because my computer still had other connection problems, subsequently I updated my system to Windows 10 which totally solved all my problems.

Error trying to connect to mongolab from cdm: Error: 18 authentication fail

I'm getting this error when I try to connect to my mongolab DB.
I saw some different topics talking about this issue, but solutions they gave was:
-Add mongoDB exception in my firewall. I done it without result
-Check if I was using the mongolab.com user and password instead of the user database. That's not the problem, even I created new users.
-Check if my version of mongoDB was older than the version used by mongolab (3.x). I also specified the auth system in the command to be sure.
I tried all those answers without success. I also checked the connection with the server, and it neither was the problem. I'm going crazy.
What could be the issue?
Thanks for your attention!
It was finally a network problem. I was lucky to discover it, cause I lost many hours.