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https://issues.apache.org/jira/browse/TS-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139489#comment-14139489
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Phil Sorber commented on TS-1975:
---------------------------------
Here is a link to the docs on enabling core dumps. You may also need to do OS
level changes to enable core dumps. You also need to make sure you compiled
with debug (-g) which I think is the default so that symbols are available.
https://docs.trafficserver.apache.org/en/latest/sdk/troubleshooting-tips/using-a-debugger.en.html
> LocalManager may cause manager crash
> ------------------------------------
>
> Key: TS-1975
> URL: https://issues.apache.org/jira/browse/TS-1975
> Project: Traffic Server
> Issue Type: Bug
> Components: Manager
> Affects Versions: 3.3.4
> Reporter: Zhao Yongming
> Assignee: portl4t
> Labels: Crash
> Fix For: 5.2.0
>
>
> when something wrong with the LocalManager, with
> [LocalManager::pollMgmtProcessServer] Error in read (errno: 104), then you
> will get manager and server restart.
> {code}
> Jun 17 17:40:06 cache163 traffic_manager[25654]: {0x7f528b4297e0} FATAL:
> [LocalManager::pollMgmtProcessServer] Error in read (errno: 104)
> Jun 17 17:40:06 cache163 traffic_manager[25654]: {0x7f528b4297e0} FATAL:
> (last system error 104: Connection reset by peer)
> Jun 17 17:40:06 cache163 traffic_manager[25654]: {0x7f528b4297e0} ERROR:
> [LocalManager::sendMgmtMsgToProcesses] Error writing message
> Jun 17 17:40:06 cache163 traffic_manager[25654]: {0x7f528b4297e0} ERROR:
> (last system error 32: Broken pipe)
> Jun 17 17:40:07 cache163 traffic_cop[25652]: cop received child status signal
> [25654 2816]
> Jun 17 17:40:07 cache163 traffic_cop[25652]: traffic_manager not running,
> making sure traffic_server is dead
> Jun 17 17:40:07 cache163 traffic_cop[25652]: spawning traffic_manager
> Jun 17 17:40:07 cache163 traffic_manager[10118]: NOTE: --- Manager Starting
> ---
> Jun 17 17:40:07 cache163 traffic_manager[10118]: NOTE: Manager Version:
> Apache Traffic Server - traffic_manager - 3.2.0 - (build # 51516 on Jun 15
> 2013 at 16:01:06)
> Jun 17 17:40:07 cache163 traffic_manager[10118]: NOTE:
> RLIMIT_NOFILE(7):cur(160000),max(160000)
> Jun 17 17:40:07 cache163 traffic_manager[10118]: {0x7f26fc24a7e0} STATUS:
> opened /var/log/trafficserver/manager.log
> Jun 17 17:40:09 cache163 traffic_server[10131]: NOTE: --- Server Starting ---
> Jun 17 17:40:09 cache163 traffic_server[10131]: NOTE: Server Version: Apache
> Traffic Server - traffic_server - 3.2.0 - (build # 51516 on Jun 15 2013 at
> 16:01:31)
> Jun 17 17:40:09 cache163 traffic_server[10131]: {0x2b167ded2280} STATUS:
> opened /var/log/trafficserver/diags.log
> {code}
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