[jira] [Commented] (TS-4728) Null pointer error in LogHost.cc.

["Phil Sorber (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-4728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15629645#comment-15629645 ] 

Phil Sorber commented on TS-4728:
---------------------------------

[~pbchou], can you create a back port PR for this?

> Null pointer error in LogHost.cc.
> ---------------------------------
>
>                 Key: TS-4728
>                 URL: https://issues.apache.org/jira/browse/TS-4728
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Logging
>    Affects Versions: 7.0.0
>            Reporter: Peter Chou
>            Assignee: James Peach
>             Fix For: 7.0.0
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> [~jpeach@apache.org] I am getting a null pointer access error with the following assertion at the time of traffic_server start-up with log collation enabled (client-side). I was able to get around it by just commenting it out, but perhaps a better fix is required.
> {noformat}
> LogHost::create_orphan_LogFile_object()
> {
>   // We expect that no-one else is holding any refcounts on the
>   // orphan file so that is will be releases when we replace it
>   // below.
>   ink_assert(m_orphan_file->refcount() == 1);
> {noformat}
> Back-trace --
> {noformat}
> #0  0x000000000053e772 in RefCountObj::refcount (this=0x8) at ../lib/ts/Ptr.h:80
> #1  0x0000000000692f9f in LogHost::create_orphan_LogFile_object (this=0x2268d80) at LogHost.cc:235
> #2  0x0000000000692a45 in LogHost::set_ipstr_port (this=0x2268d80, ipstr=0x2265d40 "127.0.0.1", pt=8085) at LogHost.cc:135
> #3  0x0000000000692b92 in LogHost::set_name_or_ipstr (this=0x2268d80, name_or_ip=0x2265d40 "127.0.0.1") at LogHost.cc:155
> #4  0x0000000000684046 in LogConfig::read_xml_log_config (this=0x21e4110) at LogConfig.cc:1472
> #5  0x000000000067ff73 in LogConfig::setup_log_objects (this=0x21e4110) at LogConfig.cc:510
> #6  0x000000000067f858 in LogConfig::init (this=0x21e4110, prev_config=0x0) at LogConfig.cc:395
> #7  0x00000000006721fe in Log::init (flags=0) at Log.cc:925
> #8  0x0000000000542552 in main (argv=0x7ffcc853abd8) at Main.cc:1828
> {noformat}
> I made minimal changes to logs_xml.config to set as client --
> {noformat}
> <LogFormat>
>     <Name = "minimal"/>
>     <Format = "%<chi> : %<cqu> : %<pssc>"/>
> </LogFormat>
> <LogObject>
>     <Format = "minimal"/>
>     <Filename = "minimal_remote"/>
>     <CollationHosts = "127.0.0.1:8085"/>
> </LogObject>
> {noformat}



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