# JDBC\_PING timeout attempts and fail over

**URL:** <https://forum.keycloak.org/t/jdbc-ping-timeout-attempts-and-fail-over/16599>\
**Category:** Configuring the server\
**Created:** [July 25, 2022, 7:56am UTC](https://forum.keycloak.org/t/jdbc-ping-timeout-attempts-and-fail-over/16599 "2022-07-25T07:56:26Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![a.ahmadzadeh](https://avatars.discourse-cdn.com/v4/letter/a/e95f7d/32.png) [@a.ahmadzadeh](https://forum.keycloak.org/u/a.ahmadzadeh)\
**Post date:** [July 25, 2022, 7:56am UTC](https://forum.keycloak.org/t/jdbc-ping-timeout-attempts-and-fail-over/16599/1 "2022-07-25T07:56:26Z")

</div>

Hello, we have configured HA Keycloak on two different servers, when we suddenly power off one of them to try fail over, one which is up continuesly tries to connect down one but times out and this does not last, also during this time keylock is not operational

`2022-07-25 03:41:40,827 ERROR [org.infinispan.interceptors.impl.InvocationContextInterceptor] (timeout-thread--p4-t1) ISPN000136: Error executing command PutKeyValueCommand on Cache 'work', writing keys [task::RadiusLogout$$Lambda$779/0x00000008408d9c40]: org.infinispan.util.concurrent.TimeoutException: ISPN000476: Timed out waiting for responses for request 212 from host1`