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https://issues.apache.org/jira/browse/TS-984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142565#comment-13142565
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Alan M. Carroll commented on TS-984:
------------------------------------
Problem identified and fixed.
> LogFile::roll crash at Machine::instance
> ----------------------------------------
>
> Key: TS-984
> URL: https://issues.apache.org/jira/browse/TS-984
> Project: Traffic Server
> Issue Type: Bug
> Components: Logging
> Affects Versions: 3.1.0
> Reporter: Zhao Yongming
> Assignee: Alan M. Carroll
> Labels: crash
> Fix For: 3.1.1
>
> Attachments: ts-984.diff
>
>
> this is a strange error when I testing the current trunk with logging
> colation server enabled:
> {code}
> [Oct 16 01:24:48.643] Server {0x2b4967f51760} WARNING: File
> /var/log/trafficserver/ex_squid.log will be rolled because a LogObject with
> different format is requesting the same filename
> FATAL: Machine.cc:37: failed assert `_instance || !"Machine instance accessed
> before initialization"`
> /usr/bin/traffic_server - STACK TRACE:
> /usr/lib64/trafficserver/libtsutil.so.3(ink_fatal_va+0xc5)[0x2b49651a5109]
> /usr/lib64/trafficserver/libtsutil.so.3(ink_fatal+0xa3)[0x2b49651a51bb]
> /usr/lib64/trafficserver/libtsutil.so.3(_ink_assert+0xc2)[0x2b49651a3aee]
> /usr/bin/traffic_server(Machine::instance()+0x24)[0x634a04]
> /usr/bin/traffic_server(LogFile::roll(long, long)+0x230)[0x5f8138]
> /usr/bin/traffic_server(LogObjectManager::_solve_filename_conflicts(LogObject*,
> int)+0x489)[0x603263]
> /usr/bin/traffic_server(LogObjectManager::_manage_object(LogObject*, bool,
> int)+0x126)[0x6029ea]
> /usr/bin/traffic_server(LogObjectManager::manage_object(LogObject*,
> int)+0x2d)[0x5e9e27]
> /usr/bin/traffic_server(LogConfig::read_xml_log_config(int)+0x3189)[0x5f28c9]
> /usr/bin/traffic_server(LogConfig::setup_log_objects()+0x229)[0x5edd63]
> /usr/bin/traffic_server(LogConfig::init(LogConfig*)+0x254)[0x5ec3ea]
> /usr/bin/traffic_server(Log::init(int)+0x30c)[0x5e8134]
> /usr/bin/traffic_server(main+0xb6a)[0x5161a4]
> /lib64/libc.so.6(__libc_start_main+0xfd)[0x2b49673b4ebd]
> /usr/bin/traffic_server[0x4cc789]
> {code}
> there is two problem here:
> 1, why the machine is not initialized?
> 2, what does "WARNING: File /var/log/trafficserver/ex_squid.log will be
> rolled because a LogObject with different format is requesting the same
> filename" mean? is that harm?
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