What is Hystrix in Spring? [closed]

What is hystrix? Hystrix is a library developed by Netflix and is part of Spring via the Spring Cloud Netflix project. Hystrix is a fault tolerance library and is used as strategy against failures (at different levels) in a service-layer. Why do we use Hystrix? Hystrix can be used in situations where your application depends … Read more

Which HTTP errors should never trigger an automatic retry?

There are some errors that should not be retried because they seem permanent: 400 Bad Request 401 Unauthorized 402 Payment Required 403 Forbidden 405 Method Not Allowed 406 Not Acceptable 407 Proxy Authentication Required 409 Conflict – it depends 410 Gone 411 Length Required 412 Precondition Failed 413 Payload Too LargeĀ  414 URI Too Long … Read more

Hystrix command fails with “timed-out and no fallback available”

This is a Hystrix Command Timeout, this timeout is enabled by default per each command, you define the value using the property: execution.isolation.thread.timeoutInMilliseconds: This property sets the time in milliseconds after which the caller will observe a timeout and walk away from the command execution. Hystrix marks > the HystrixCommand as a TIMEOUT, and performs … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)