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

## SYSLOG Details
- **Message**: <variable>operation</variable> for task <variable>task-name</variable> socket <variable>socket-descriptor</variable>: <variable>error-message</variable>
- **Help**: Error encountered while performing an operation on non-blocking stream.
- **Description**: Failure in opening/closing/reading from a non-blocking stream for communicating with the cookie. Task name, operation, socket descriptor and error number are dumped.
- **Type**: Error: An error occurred
- **Severity**: notice
- **Cause**: -
- **Action**: -
- **Attributes**: operation
task-name
socket-descriptor
error-message
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=JTASK_NONBLOCKING_FILEOP&sw=Junos%20OS&rel=22.2R1)