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When creating a table from a Mongo collection JSON export the table is successfully created.
The 1st time the table is queried results are returned without any problems
The 2nd time the table is queried the MySQL service crashes.
If the JSON connect table is dropped and re-created the 1st select statement run against the table will work but again the 2nd will not and the MySQL service crashes.
The query used to export the Mongo collection is as follows;
mongoexport --db [database_name] --collection [collection_name] --out [out_file] --fields [field_array]
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The query used to create the JSON connect table is as follows;
CREATE TABLE consultation
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(
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firstName char(150) field_format='clients:[x]:firstName',
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lastName char(150) field_format='clients:[x]:lastName',
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email char(150) field_format='clients:[x]:email',
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personId char(150) field_format='clients:[x]:personId',
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dropOutComments char(255) field_format='dropout::comments',
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dropOutDate bigint field_format='dropout::date',
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dropOutReason char(150) field_format='dropout::reason',
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mode char(150),
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consultationId char(150) field_format='_id::$oid'
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)
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engine=CONNECT
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HUGE=1
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DATA_CHARSET='UTF8'
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table_type=JSON
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file_name='consultation.json'
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lrecl=2097152
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option_list='pretty=0'
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ending=1;
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The error log is as follows;
Version: '10.2.5-MariaDB' socket: '' port: 3306 mariadb.org binary distribution
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170608 16:30:14 [ERROR] mysqld got exception 0xc0000005 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.2.5-MariaDB
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=1
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max_threads=65537
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thread_count=7
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 136025 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x2277c45a1b8
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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ha_connect.dll!__intrinsic_setjmp()
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ha_connect.dll!ParseJson()[json.cpp:97]
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ha_connect.dll!TDBJSN::ReadDB()[tabjson.cpp:760]
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ha_connect.dll!CntReadNext()[connect.cc:464]
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ha_connect.dll!ha_connect::rnd_next()[ha_connect.cc:3884]
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mysqld.exe!handler::ha_rnd_next()[handler.cc:2584]
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mysqld.exe!rr_sequential()[records.cc:484]
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mysqld.exe!sub_select()[sql_select.cc:18454]
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mysqld.exe!do_select()[sql_select.cc:18001]
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mysqld.exe!JOIN::exec_inner()[sql_select.cc:3465]
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mysqld.exe!JOIN::exec()[sql_select.cc:3267]
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mysqld.exe!mysql_select()[sql_select.cc:3660]
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mysqld.exe!handle_select()[sql_select.cc:361]
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mysqld.exe!execute_sqlcom_select()[sql_parse.cc:6431]
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mysqld.exe!mysql_execute_command()[sql_parse.cc:3448]
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mysqld.exe!mysql_parse()[sql_parse.cc:7879]
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mysqld.exe!dispatch_command()[sql_parse.cc:1814]
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mysqld.exe!do_command()[sql_parse.cc:1361]
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mysqld.exe!threadpool_process_request()[threadpool_common.cc:346]
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mysqld.exe!tp_callback()[threadpool_common.cc:192]
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ntdll.dll!TpReleaseWork()
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ntdll.dll!TpReleaseWork()
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KERNEL32.DLL!BaseThreadInitThunk()
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ntdll.dll!RtlUserThreadStart()
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x2277c4ee030): select
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*
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from consultation
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Connection ID (thread ID): 8
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Status: NOT_KILLED
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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,orderby_uses_equalities=on,condition_pushdown_for_derived=on
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The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
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information that should help you find out what is causing the crash.
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