Details
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Bug
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Status: Closed (View Workflow)
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Blocker
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Resolution: Fixed
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1.2.0, 1.2.1
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None
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Linux 2.6.32-573.3.1.el6.x86_64 #1 SMP Thu Aug 13 22:55:16 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Description
Maxscale crashed every day!
The error message like below:
2015-10-16 22:25:19 [is_read_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:19 [check_create_tmp_table] Error: Master server DCB is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:19 [check_drop_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:29 [is_read_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:29 [check_create_tmp_table] Error: Master server DCB is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:29 [check_drop_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:39 [is_read_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:39 [check_create_tmp_table] Error: Master server DCB is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:39 [check_drop_tmp_table] Error: Master server DBC is NULL. This means that the connection to the master server is already closed while a query is still being routed.
2015-10-16 22:25:49 Fatal: MaxScale 1.2.1 received fatal signal 11. Attempting backtrace.
2015-10-16 22:25:49 Commit ID: 7bfda81b098bfd0db3c306495725d1910294d2e8 System name: Linux Release string: CentOS release 6.6 (Final) Embedded library version: 5.5.42-MariaDB
2015-10-16 22:25:49 /usr/bin/maxscale() [0x523a32]
2015-10-16 22:25:49 /lib64/libpthread.so.0(+0xf790) [0x7f952a3d0790]
2015-10-16 22:25:49 /usr/lib64/maxscale/libreadwritesplit.so(+0x5d16) [0x7f9524183d16]
2015-10-16 22:25:49 /usr/lib64/maxscale/libreadwritesplit.so(+0x6f7a) [0x7f9524184f7a]
2015-10-16 22:25:49 /usr/lib64/maxscale/libreadwritesplit.so(+0x691c) [0x7f952418491c]
2015-10-16 22:25:49 /usr/lib64/maxscale/libMySQLClient.so(+0x7a2c) [0x7f950d34ea2c]
2015-10-16 22:25:49 /usr/lib64/maxscale/libMySQLClient.so(+0x65d6) [0x7f950d34d5d6]
2015-10-16 22:25:49 /usr/bin/maxscale() [0x5394b5]
2015-10-16 22:25:49 /usr/bin/maxscale(poll_waitevents+0x634) [0x538d74]
2015-10-16 22:25:49 /lib64/libpthread.so.0(+0x7a51) [0x7f952a3c8a51]
2015-10-16 22:25:49 /lib64/libc.so.6(clone+0x6d) [0x7f9528d399ad]
