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https://issues.apache.org/jira/browse/CAMEL-24273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18099440#comment-18099440
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Santhoshkumar Nagulanchi edited comment on CAMEL-24273 at 7/27/26 12:54 PM:
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Could not find the component camel mina sftp component in the drop down, so
assigned this to sftp componet. Please redirect this to camel mina sftp team.
was (Author: JIRAUSER314103):
Could not find the component apache mina sftp, so assigned this to sftp
componet. Please redirect this to camel mina sftp team.
> After every SFTP transfer, the number of daemon threads increases.
> ------------------------------------------------------------------
>
> Key: CAMEL-24273
> URL: https://issues.apache.org/jira/browse/CAMEL-24273
> Project: Camel
> Issue Type: Bug
> Components: camel-sftp
> Affects Versions: 4.18.1
> Environment: RHEL 8, Spring Boot 3.5.12,
> Apache Camel 4.18.1
> Apache Camel Mina SFTP 4.18.1
> SSHD 2.17.1. ( shipped with Camel Mina )
> Reporter: Santhoshkumar Nagulanchi
> Priority: Major
>
> Tried Apache Camel 4.18.1 with camel-mina-sftp (Apache SSHD 2.17.1) on Java
> 21. After every SFTP transfer, the number of daemon threads increases.
> Observed additional {{Thread-N}} (EPoll event threads) and
> {{sshd-SshClient[*]-nio2-*}} threads that remain alive after the transfer
> completes. Over time, the thread count continuously grows instead of
> stabilizing. Even though the route is stopped and removed after each
> transfer, Finally its reaching systems ulimit and not allowing any other
> process to spin up in that system.
>
> 1. SshClient[565db404]-nio2-resume-thread-1 #62 [686892] daemon prio=5
> os_prio=0 cpu=69.20ms elapsed=494.47s
> 2. SshClient[565db404]-timer-thread-1 #63 [686893] daemon prio=5 os_prio=0
> cpu=4.58ms elapsed=494.43s
> 3. SshClient[565db404]-nio2-thread-1 #64 [686894] daemon prio=5 os_prio=0
> cpu=301.96ms elapsed=494.42s
> 4. SshClient[565db404]-nio2-thread-2 #65 [686895] daemon prio=5 os_prio=0
> cpu=335.27ms elapsed=494.41s
> 5. SshClient[565db404]-nio2-thread-3 #66 [686896] daemon prio=5 os_prio=0
> cpu=328.26ms elapsed=494.37s
> 6. SshClient[565db404]-nio2-resume-thread-2 #69 [686923] daemon prio=5
> os_prio=0 cpu=27.94ms elapsed=492.39s
> 7. SshClient[565db404]-nio2-resume-thread-3 #70 [686924] daemon prio=5
> os_prio=0 cpu=27.48ms elapsed=491.66s
> 8. SshClient[5b9d0fd7]-nio2-resume-thread-1 #82 [700246] daemon prio=5
> os_prio=0 cpu=24.43ms elapsed=85.00s
> 9. SshClient[5b9d0fd7]-timer-thread-1 #83 [700247] daemon prio=5 os_prio=0
> cpu=3.80ms elapsed=85.00s
> 10. SshClient[5b9d0fd7]-nio2-thread-1 #84 [700248] daemon prio=5 os_prio=0
> cpu=240.13ms elapsed=84.99s
> 11. SshClient[5b9d0fd7]-nio2-thread-2 #85 [700249] daemon prio=5 os_prio=0
> cpu=236.69ms elapsed=84.99s
> 12. SshClient[5b9d0fd7]-nio2-thread-3 #86 [700250] daemon prio=5 os_prio=0
> cpu=236.31ms elapsed=84.98s
> 13. SshClient[5b9d0fd7]-nio2-resume-thread-2 #88 [700605] daemon prio=5
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