Peter Chou created TS-4728:
------------------------------
Summary: 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
Reporter: Peter Chou
[~jpe...@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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