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https://issues.apache.org/jira/browse/TS-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942525#comment-13942525
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Alan M. Carroll commented on TS-2594:
-------------------------------------
New theory - change of WKS_IDX values for some field names is the problem due
to [this
change|https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;a=blobdiff;f=proxy/hdrs/HdrToken.cc;h=72bbbe1069b0094570a4909c5f12ceda25612d11;hp=4374d85ce456b1ef51190109b8221f15ff2d3a1e;hb=4cf9975e9b8ff0cc5510707443da0adafbb962cb;hpb=f057cdccaa8beac782028f1a8086971d46b15f95].
I have verified this shifted some of the values but I'm still investigating
how that would be a serious problem. It may be that this causes the presence
bits or slot accelerators to be set wrong, which would be sufficient for all of
the observed problems here and in TS-2564.
Still investigating.
> Segmentation fault for 4.2.0-rc0
> --------------------------------
>
> Key: TS-2594
> URL: https://issues.apache.org/jira/browse/TS-2594
> Project: Traffic Server
> Issue Type: Bug
> Affects Versions: 4.2.0
> Reporter: bettydramit
> Labels: crash
> Fix For: 4.2.0, 5.0.0
>
>
> {code}
> [E. Mgmt] log ==> [TrafficManager] using root directory '/usr'
> [TrafficServer] using root directory '/usr'
> NOTE: Traffic Server received Sig 11: Segmentation fault
> /usr/bin/traffic_server - STACK TRACE:
> /lib64/libpthread.so.0(+0xf70f)[0x2b4e95ab670f]
> /lib64/libc.so.6(memcpy+0xe)[0x2b4e96a4595e]
> /usr/lib64/trafficserver/libtsutil.so.4(StrList::_new_cell(char const*,
> int)+0xef)[0x2b4e939ac88f]
> /usr/bin/traffic_server(StrList::new_cell(char const*, int)+0x9f)[0x5ff919]
> /usr/bin/traffic_server(StrList::append_string(char const*,
> int)+0x28)[0x5ff9ce]
> /usr/bin/traffic_server(mime_field_value_get_comma_list(MIMEField*,
> StrList*)+0x51)[0x602a39]
> /usr/bin/traffic_server(MIMEField::value_get_comma_list(StrList*)+0x22)[0x551052]
> /usr/bin/traffic_server(MIMEHdr::value_get_comma_list(char const*, int,
> StrList*)+0x4a)[0x5510a0]
> /usr/bin/traffic_server(HttpTransactCache::CalcVariability(CacheLookupHttpConfig*,
> HTTPHdr*, HTTPHdr*, HTTPHdr*)+0xab)[0x5a3399]
> /usr/bin/traffic_server(HttpTransactCache::calculate_quality_of_match(CacheLookupHttpConfig*,
> HTTPHdr*, HTTPHdr*, HTTPHdr*)+0xc68)[0x5a19b0]
> /usr/bin/traffic_server(HttpTransactCache::SelectFromAlternates(CacheHTTPInfoVector*,
> HTTPHdr*, CacheLookupHttpConfig*)+0x28c)[0x5a0a7e]
> /usr/bin/traffic_server(CacheVC::openReadStartHead(int,
> Event*)+0x5f2)[0x68e590]
> /usr/bin/traffic_server(Continuation::handleEvent(int, void*)+0x6b)[0x4e7137]
> /usr/bin/traffic_server(CacheVC::handleReadDone(int, Event*)+0x1127)[0x66bfa9]
> /usr/bin/traffic_server(Continuation::handleEvent(int, void*)+0x6b)[0x4e7137]
> /usr/bin/traffic_server(AIOCallbackInternal::io_complete(int,
> void*)+0x3b)[0x671371]
> /usr/bin/traffic_server(Continuation::handleEvent(int, void*)+0x6b)[0x4e7137]
> /usr/bin/traffic_server(EThread::process_event(Event*, int)+0xc7)[0x6d9165]
> /usr/bin/traffic_server(EThread::execute()+0x9f)[0x6d9333]
> /usr/bin/traffic_server(main+0x122f)[0x50e634]
> /lib64/libc.so.6(__libc_start_main+0xfc)[0x2b4e969dad1c]
> /usr/bin/traffic_server[0x4ca098]
> {code}
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