in enable-debug and pristine_host_hdr=0 mode, TS will crash when purge a cached
object which is after TSCacheUrlSet
-------------------------------------------------------------------------------------------------------------------
Key: TS-1169
URL: https://issues.apache.org/jira/browse/TS-1169
Project: Traffic Server
Issue Type: Bug
Affects Versions: 3.0.4, 3.1.3
Environment: configure --enable-debug
Reporter: Conan Wang
{code}
#6 0x0000000100d269af in _ink_assert (a=0x1003c6be0 "md5a == md5b ||
t_state.txn_conf->maintain_pristine_host_hdr", f=0x1003c514e "HttpSM.cc",
l=3921) at ink_assert.cc:44
#7 0x0000000100123e59 in HttpSM::do_cache_delete_all_alts (this=0x109d41190,
cont=0x0) at HttpSM.cc:3921
{code}
in HttpSM::do_cache_delete_all_alts debug code, if a object key is rewritten by
TSCacheUrlSet, md5a will not equal md5b, and it will crash because
maintain_pristine_host_hdr = 0 ( when disable pristine_host_hdr ).
Anyway, the cached object is purged successfully. Maybe it's just a wrong
assert which didn't consider TSCacheUrlSet case.
{code}
#ifdef DEBUG
INK_MD5 md5a;
INK_MD5 md5b;
t_state.hdr_info.client_request.url_get()->MD5_get(&md5a);
t_state.cache_info.lookup_url->MD5_get(&md5b);
ink_assert(md5a == md5b || t_state.txn_conf->maintain_pristine_host_hdr);
#endif
{code}
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