TDEngine can't be started after restarting the server - docker

I am stuck on a problem that the TDEngine service cannot be started after I restart my server. I got an exception from the TDEngine log saying "taosd: /home/ubuntu/workroom/jenkins/3.0/TDinternal/community/source/libs/wal/src/walRead.c:135: walReadSeekFilePos: Assertion `entry.ver == ver' failed." Is there any clue that I can use to troubleshoot this issue?
Thanks in advance.

Related

Getting 503 Error on Google Dataflow - UNAVAILABLE

I'm trying to run apache beam python pipeline on dataflow but immediately (10-15sec) after launching the job, it gets failed status.
The error on logs:
Failed to start the VM, launcher-2021030302333314603154945777358700, used for launching because of status code: UNAVAILABLE, reason: One or more operations had an error: 'operation-1614767615027-5bc9f6216a93c-7b50752f-842a8707': [UNAVAILABLE] 'HTTP_503'..
The error message gets cut short so I cannot dig into deeper. I believe I added all relevant permissions etc. but cant get it to work. Initial research suggests that it could be a backend issue or permissions issue?
In addition the same pipeline has worked in other projects.
Appreciate if someone can help me debug and fix.
It is because of the region. I move the region from 'asia-southeast2' to 'us-central1' and it worked.

java.lang.Exception: The server rejected the connection: None of the protocols were accepted

I/we(the company) have a weird issue with Jenkins and the connection between Master and Slave.
After a while the connection is rejected/timed out for some reason.
We tried to start it as a Windows Service but that didn't go well(also error message). We try it again, maybe we didn't start it properly.
Below is the error Message(3) and the error from the Server(1) and slave(2)
How can we/I resolve this?
I read that this is still a bug in Jenkins but is there really no workaround?
1,2,3

Engine Yard error related to postgress and socket '/var/run/postgresql/.s.PGSQL.5432'

I have a rails application hosted on Engine Yard Cloud. After deploy I am getting an error:
Process postgresql: POSTGRES_CONNECTION CRITICAL: DB 'postgres' could not connect to server: Connection refused Is the server running locally and accepting connections on Unix domain socket '/var/run/postgresql/.s.PGSQL.5432'
After this error the instance with the application become unreachable and reloading the instance is required. After reloading the instance I can deploy once, but with the next deploy I am getting the same error. I would appreciate any ideas on how to solve this.
The most likely cause of this condition is that the Postgres server has stopped responding. This most commonly occurs due to a low memory condition on Solo instances but can have other causes as well. The best way to explore this further is to file a ticket with the Engine Yard Support team and we can investigate this further for you.
Thank you,
Tyler

What's the cause of "PGError: FATAL: terminating connection due to administrator command" on heroku?

I have a rails app on heroku that users log in to. I periodically get this exception:
UserSessionsController#
(ActiveRecord::StatementInvalid)
"PGError: FATAL: terminating
connection due to administrator
command\nserver closed the connection
unexpectedly\n\tThis probably means
the server terminated
abnormally\n\tbef...
URL
POST http://secure.huckberry.com/user_sessions
What's a likely cause of this? I'd appreciate any help.
Assuming you saw this recently, this is due to a recent bit of high-priority maintenance work to enable continuous backups on shared databases -- involving a server restart. You shouldn't worry about this error, provided it does not reproduce. I don't think that's very likely, so happy hacking!
I had this error happen to me. My Application server had an open connection to the database. In my SSH terminal I added an ipaddress to the ph_hba.conf file and restarted the postgreSQL server.
That is when this error showed up. I refreshed my web page one time and the error was gone.
This probably means that something sent the server process a SIGTERM signal. This could happen is if the postmaster gets a SIGINT from something. However, if you are able to reconnect that's not the case, because the postmaster would disallow new connections.
You're probably having a clash of some kind in your application. Enable query logging and check for something unusual.
This error may also appear, if you run a test suite which utilizes a database connection (PSQL in this case) and the test is still running (asynchronously).
A tear down hook may terminate the connection when the test is still running and this ends up in this error message.

Error: Thread creation failed: Cannot allocate memory

I have deployed my Rails application on server.
It is working fine, but it crashed on sign_up page and server will be stop.
I Checked my mongrel.log file, it give the following error.
libgomp: Thread creation failed: Cannot allocate memory
How can I resolved this error?
Thanks.
Guess what. Your server is OOM.

Resources