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  1. MariaDB Server
  2. MDEV-10043

main.events_restart fails sporadically in buildbot (crashes upon shutdown)

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    Details

    • Sprint:
      10.0.26

      Description

      It happens mostly on Windows, but not exclusively.
      Failure on Windows:
      http://buildbot.askmonty.org/buildbot/builders/win32-debug/builds/5
      (It does not really help that on Windows synchronization between MTR and server printing into the error log is off, and the log says CURRENT_TEST: main.events_restart after the failure happens; in fact, it is already this test).

      main.events_restart                      w2 [ fail ]  Found warnings/errors in server log file!
              Test ended at 2016-04-28 18:24:30
      line
      160428 18:24:25 [Warning] Plugin 'MyISAM' will be forced to shutdown
       
      160428 18:24:25 [ERROR] Plugin 'MyISAM' has ref_count=2 after shutdown.
       
      160428 18:24:25 [ERROR] mysqld got exception 0xc0000005 ;
       
      Attempting backtrace. You can use the following information to find out
      

      160428 18:24:24 [Note] D:/win32-debug/build/sql//Debug/mysqld.exe (mysqld 10.0.25-MariaDB-debug) starting as process 4872 ...
      160428 18:24:24 [Note] Plugin 'InnoDB' is disabled.
      160428 18:24:24 [Note] Plugin 'XTRADB_READ_VIEW' is disabled.
      160428 18:24:24 [Note] Plugin 'XTRADB_INTERNAL_HASH_TABLES' is disabled.
      160428 18:24:24 [Note] Plugin 'XTRADB_RSEG' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_TRX' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_LOCK_WAITS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_CMP_RESET' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_CMPMEM' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_CMPMEM_RESET' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_CMP_PER_INDEX_RESET' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_BUFFER_PAGE' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_BUFFER_PAGE_LRU' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_BUFFER_POOL_STATS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_METRICS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_DEFAULT_STOPWORD' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_DELETED' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_BEING_DELETED' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_CONFIG' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_INDEX_CACHE' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_FT_INDEX_TABLE' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_TABLES' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_TABLESTATS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_INDEXES' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_COLUMNS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_FIELDS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_FOREIGN' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_FOREIGN_COLS' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_TABLESPACES' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_SYS_DATAFILES' is disabled.
      160428 18:24:24 [Note] Plugin 'INNODB_CHANGED_PAGES' is disabled.
      160428 18:24:24 [Note] Plugin 'FEEDBACK' is disabled.
      160428 18:24:24 [Note] Plugin 'partition' is disabled.
      160428 18:24:24 [Note] Server socket created on IP: '::'.
      160428 18:24:24 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160428 18:24:24 [ERROR] mysqld.exe: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160428 18:24:24 [Note] D:/win32-debug/build/sql//Debug/mysqld.exe: ready for connections.
      Version: '10.0.25-MariaDB-debug'  socket: ''  port: 16020  Source distribution
      160428 18:24:24 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160428 18:24:24 [ERROR] mysqld.exe: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160428 18:24:24 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160428 18:24:24 [ERROR] mysqld.exe: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160428 18:24:24 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160428 18:24:24 [Note] Event Scheduler: scheduler thread started with id 3
      160428 18:24:25 [Note] D:/win32-debug/build/sql//Debug/mysqld.exe: Normal shutdown
       
      160428 18:24:25 [ERROR] Event Scheduler: [root@localhost][events_test.abc1] Server shutdown in progress
      160428 18:24:25 [Note] Event Scheduler: [root@localhost].[events_test.abc1] event execution failed.
      160428 18:24:25 [Note] Event Scheduler: Killing the scheduler thread, thread id 3
      160428 18:24:25 [Note] Event Scheduler: Waiting for the scheduler thread to reply
      160428 18:24:25 [Note] Event Scheduler: Stopped
      160428 18:24:25 [Note] Event Scheduler: Purging the queue. 3 events
      160428 18:24:25 [Warning] Plugin 'MyISAM' will be forced to shutdown
      160428 18:24:25 [ERROR] Plugin 'MyISAM' has ref_count=2 after shutdown.
      Assertion failed: !m_locks.records, file D:\win32-debug\build\src\sql\mdl.cc, line 837
      R6010
      - abort() has been called
      160428 18:24:25 [ERROR] mysqld got exception 0xc0000005 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.0.25-MariaDB-debug
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=501
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 195319 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x81f5b50
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      160428 18:24:26 [Note] D:/win32-debug/build/sql//Debug/mysqld.exe (mysqld 10.0.25-MariaDB-debug) starting as process 5048 ...
      

      Occasion on fulltest:
      http://buildbot.askmonty.org/buildbot/builders/kvm-fulltest2/builds/5208

      main.events_restart                      w4 [ fail ]  Found warnings/errors in server log file!
              Test ended at 2016-04-24 18:36:27
      line
      safe_mutex: Trying to lock unitialized mutex at /home/buildbot/buildbot/build/mariadb-10.0.24/sql/tztime.cc, line 2310
      Attempting backtrace. You can use the following information to find out
      160424 18:36:16 [Warning] Plugin 'MyISAM' will be forced to shutdown
      160424 18:36:16 [ERROR] Plugin 'MyISAM' has ref_count=4 after shutdown.
      mysqld: /home/buildbot/buildbot/build/mariadb-10.0.24/sql/mdl.cc:837: MDL_map_partition::~MDL_map_partition(): Assertion `!m_locks.records' failed.
      ^ Found warnings in /mnt/buildbot/build/mariadb-10.0.24/mysql-test/var/4/log/mysqld.1.err
      ok
       
       - saving '/mnt/buildbot/build/mariadb-10.0.24/mysql-test/var/4/log/main.events_restart/' to '/mnt/buildbot/build/mariadb-10.0.24/mysql-test/var/log/main.events_restart/'
      

      CURRENT_TEST: main.events_restart
      160424 18:36:13 [Note] Event Scheduler: Killing the scheduler thread, thread id 38
      160424 18:36:13 [Note] Event Scheduler: Waiting for the scheduler thread to reply
      160424 18:36:13 [Note] Event Scheduler: Stopped
      160424 18:36:13 [Note] Got signal 15 to shutdown mysqld
      160424 18:36:13 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld: Normal shutdown
       
      160424 18:36:13 [Note] Event Scheduler: Purging the queue. 3 events
      160424 18:36:13 [Note] Debug sync points hit:                   10033
      160424 18:36:13 [Note] Debug sync points executed:              0
      160424 18:36:13 [Note] Debug sync points max active per thread: 0
      160424 18:36:13 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld: Shutdown complete
       
      160424 18:36:15 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld (mysqld 10.0.24-MariaDB-debug) starting as process 18476 ...
      160424 18:36:15 [Note] Plugin 'BLACKHOLE' is disabled.
      160424 18:36:15 [Note] Plugin 'TEST_SQL_DISCOVERY' is disabled.
      160424 18:36:15 [Note] Plugin 'InnoDB' is disabled.
      160424 18:36:15 [Note] Plugin 'XTRADB_READ_VIEW' is disabled.
      160424 18:36:15 [Note] Plugin 'XTRADB_INTERNAL_HASH_TABLES' is disabled.
      160424 18:36:15 [Note] Plugin 'XTRADB_RSEG' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_TRX' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_LOCK_WAITS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_CMP_RESET' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_CMPMEM' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_CMPMEM_RESET' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_CMP_PER_INDEX_RESET' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_BUFFER_PAGE' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_BUFFER_PAGE_LRU' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_BUFFER_POOL_STATS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_METRICS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_DEFAULT_STOPWORD' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_DELETED' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_BEING_DELETED' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_CONFIG' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_INDEX_CACHE' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_FT_INDEX_TABLE' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_TABLES' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_TABLESTATS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_INDEXES' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_COLUMNS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_FIELDS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_FOREIGN' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_FOREIGN_COLS' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_TABLESPACES' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_SYS_DATAFILES' is disabled.
      160424 18:36:15 [Note] Plugin 'INNODB_CHANGED_PAGES' is disabled.
      160424 18:36:15 [Note] Plugin 'ARCHIVE' is disabled.
      160424 18:36:15 [Note] Plugin 'FEDERATED' is disabled.
      160424 18:36:15 [Note] Plugin 'CONNECT' is disabled.
      160424 18:36:15 [Note] Plugin 'SEQUENCE' is disabled.
      160424 18:36:15 [Note] Plugin 'SPHINX' is disabled.
      160424 18:36:15 [Note] Plugin 'unix_socket' is disabled.
      160424 18:36:15 [Note] Plugin 'LOCALES' is disabled.
      160424 18:36:15 [Note] Plugin 'QUERY_RESPONSE_TIME' is disabled.
      160424 18:36:15 [Note] Plugin 'QUERY_RESPONSE_TIME_AUDIT' is disabled.
      160424 18:36:15 [Note] Plugin 'QUERY_CACHE_INFO' is disabled.
      160424 18:36:15 [Note] Plugin 'METADATA_LOCK_INFO' is disabled.
      160424 18:36:15 [Note] Plugin 'rpl_semi_sync_master' is disabled.
      160424 18:36:15 [Note] Plugin 'rpl_semi_sync_slave' is disabled.
      160424 18:36:15 [Note] Plugin 'FEEDBACK' is disabled.
      160424 18:36:15 [Note] Plugin 'partition' is disabled.
      160424 18:36:15 [Note] Server socket created on IP: '127.0.0.1'.
      160424 18:36:15 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160424 18:36:15 [ERROR] mysqld: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160424 18:36:15 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld: ready for connections.
      Version: '10.0.24-MariaDB-debug'  socket: '/mnt/buildbot/build/mariadb-10.0.24/mysql-test/var/tmp/4/mysqld.1.sock'  port: 16060  Source distribution
      160424 18:36:15 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160424 18:36:15 [ERROR] mysqld: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160424 18:36:15 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160424 18:36:15 [ERROR] mysqld: Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
      160424 18:36:15 [ERROR] Incorrect definition of table mysql.event: expected column 'body' at position 2 to have type longblob, found type longtext.
      160424 18:36:15 [Note] Event Scheduler: scheduler thread started with id 3
      160424 18:36:15 [Note] Got signal 15 to shutdown mysqld
      160424 18:36:16 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld: Normal shutdown
       
      160424 18:36:16 [Note] Event Scheduler: Killing the scheduler thread, thread id 3
      160424 18:36:16 [Note] Event Scheduler: Waiting for the scheduler thread to reply
      160424 18:36:16 [Note] Event Scheduler: Stopped
      160424 18:36:16 [Note] Event Scheduler: Purging the queue. 3 events
      safe_mutex: Trying to lock unitialized mutex at /home/buildbot/buildbot/build/mariadb-10.0.24/sql/tztime.cc, line 2310
      160424 18:36:16 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.0.24-MariaDB-debug
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 61721 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0xb1f010a8
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0xb246827f thread_stack 0x48000
      160424 18:36:16 [Warning] Plugin 'MyISAM' will be forced to shutdown
      160424 18:36:16 [ERROR] Plugin 'MyISAM' has ref_count=4 after shutdown.
      mysqld: /home/buildbot/buildbot/build/mariadb-10.0.24/sql/mdl.cc:837: MDL_map_partition::~MDL_map_partition(): Assertion `!m_locks.records' failed.
      160424 18:36:23 [Note] /mnt/buildbot/build/mariadb-10.0.24/sql/mysqld (mysqld 10.0.24-MariaDB-debug) starting as process 18569 ...
      

      Failure on non-debug build:
      http://buildbot.askmonty.org/buildbot/builders/kvm-deb-precise-amd64/builds/6034

      main.events_restart                      w3 [ fail ]  Found warnings/errors in server log file!
              Test ended at 2016-04-05 19:08:02
      line
      160405 19:07:59 [ERROR] mysqld got signal 11 ;
      Attempting backtrace. You can use the following information to find out
      ^ Found warnings in /run/shm/var/3/log/mysqld.1.err
      

      2016-04-05 19:07:59 139682565365504 [Note] /usr/sbin/mysqld (root[root] @ localhost []): Normal shutdown
       
      2016-04-05 19:07:59 139682565365504 [Note] Event Scheduler: Killing the scheduler thread, thread id 3
      2016-04-05 19:07:59 139682565365504 [Note] Event Scheduler: Waiting for the scheduler thread to reply
      2016-04-05 19:07:59 139682565365504 [Note] Event Scheduler: Stopped
      2016-04-05 19:07:59 139682565365504 [Note] Event Scheduler: Purging the queue. 3 events
      160405 19:07:59 [ERROR] mysqld got signal 11 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.2.0-MariaDB-1~precise
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 62907 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x7f0a56c63008
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f0a5f92050f thread_stack 0x48800
      /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f0a62681e2b]
      /usr/sbin/mysqld(handle_fatal_signal+0x465)[0x7f0a621e2455]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0)[0x7f0a617c9cb0]
      /usr/sbin/mysqld(_Z11plugin_lockP3THDP13st_plugin_int+0x2c)[0x7f0a6207e2bc]
      /usr/sbin/mysqld(_ZN11TABLE_SHARE26init_from_binary_frm_imageEP3THDbPKhm+0x98e)[0x7f0a6210b01e]
      /usr/sbin/mysqld(_Z14open_table_defP3THDP11TABLE_SHAREj+0x622)[0x7f0a6210de92]
      /usr/sbin/mysqld(_Z17tdc_acquire_shareP3THDP10TABLE_LISTjPP5TABLE+0x3a9)[0x7f0a62194159]
      /usr/sbin/mysqld(_Z10open_tableP3THDP10TABLE_LISTP18Open_table_context+0x450)[0x7f0a6202a530]
      /usr/sbin/mysqld(_Z11open_tablesP3THDRK14DDL_options_stPP10TABLE_LISTPjjP19Prelocking_strategy+0xf75)[0x7f0a6202e7a5]
      /usr/sbin/mysqld(_Z20open_and_lock_tablesP3THDRK14DDL_options_stP10TABLE_LISTbjP19Prelocking_strategy+0x44)[0x7f0a6202ead4]
      /usr/sbin/mysqld(_Z27open_system_tables_for_readP3THDP10TABLE_LISTP18Open_tables_backup+0x90)[0x7f0a62030d60]
      /usr/sbin/mysqld(_ZN19Event_db_repository16load_named_eventEP3THD19st_mysql_lex_stringS2_P11Event_basic+0xf8)[0x7f0a62316858]
      /usr/sbin/mysqld(_ZN19Event_worker_thread3runEP3THDP28Event_queue_element_for_exec+0xd0)[0x7f0a623133c0]
      /usr/sbin/mysqld(event_worker_thread+0x56)[0x7f0a62313486]
      /usr/sbin/mysqld(+0x97393d)[0x7f0a6256f93d]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f0a617c1e9a]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f0a5fc2a4bd]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x0): 
      Connection ID (thread ID): 6
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file
      2016-04-05 19:08:00 139983904638848 [Note] /usr/sbin/mysqld (mysqld 10.2.0-MariaDB-1~precise) starting as process 20830 ...
      

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              • Assignee:
                svoj Sergey Vojtovich
                Reporter:
                elenst Elena Stepanova
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                • Created:
                  Updated:
                  Resolved: