# [JTASK_LOCK_OPEN](https://apps.juniper.net/syslog-explorer/?msg=JTASK_LOCK_OPEN)

## SYSLOG Details
- **Message**: Unable to open <variable>filename</variable>: <variable>error-message</variable>
- **Help**: Unable to access routing process mutual exclusion
- **Description**: The routing process was unable to access a mutual exclusion lock that prevents more than one instance of the routing process from running at any one time. The system terminated this instance of the routing process.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: The routing process could not access the lock file.
- **Action**: Take action as specified in the error message. Check for file system corruption and check to see if the lock file directory is in the lock file.
- **Attributes**: filename
error-message
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_LOCK_OPEN&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_LOCK_OPEN&sw=Junos%20OS&rel=23.4R1)