Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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2.5.6
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None
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CentOS Linux release 7.7.1908 (Core)
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MXS-SPRINT-124
Description
After enabling the cache filter with Redis on an RDBA customer's server (datacheck), MaxScale crashes. Log file attached (max-redis_error.txt). Customer runs Redis 5.0.6.
Another MaxScale server (test) shows some similar errors but no crash. Same Redis version. The difference between datacheck and test is that datacheck has two app servers hitting it via a load balancer. They are not using cluster mode.
2021-01-20 22:28:37 error : [storage_redis] Expected status message in the context of MULTI, but received a NIL.
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2021-01-20 22:28:37 error : [storage_redis] Expected status message in the context of queued command, but received a STRING.
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2021-01-20 22:28:37 warning: [storage_redis] Unexpected redis redis return type (STATUS) received.
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2021-01-20 22:28:37 error : [storage_redis] Expected status message in the context of MULTI, but received a STRING.
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2021-01-20 22:28:37 warning: [storage_redis] Unexpected redis redis return type (STATUS) received.
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2021-01-20 22:28:37 error : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.
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2021-01-20 22:28:37 error : [storage_redis] Failed when reading response to MULTI: no error,
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2021-01-20 22:28:37 error : [cache] Could not store new cache value, deleting a possibly existing old value.
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2021-01-20 22:28:37 warning: [storage_redis] Unexpected redis return type (ARRAY) received.
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2021-01-20 22:28:37 error : [cache] Could not delete cache item, the value may now be stale.
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2021-01-20 22:28:41 error : [storage_redis] Expected status message in the context of MULTI, but received a NIL.
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2021-01-20 22:28:41 warning: [storage_redis] Unexpected redis redis return type (STATUS) received.
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2021-01-20 22:28:41 error : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.
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2021-01-20 22:28:41 error : [storage_redis] Failed when reading response to MULTI: no error,
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2021-01-20 22:28:41 error : [cache] Could not store new cache value, deleting a possibly existing old value.
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2021-01-20 22:28:41 warning: [storage_redis] Unexpected redis return type (ARRAY) received.
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2021-01-20 22:28:41 error : [cache] Could not delete cache item, the value may now be stale.
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2021-01-20 22:28:42 error : [storage_redis] Expected status message in the context of MULTI, but received a STRING.
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2021-01-20 22:28:42 warning: [storage_redis] Unexpected redis redis return type (STATUS) received.
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2021-01-20 22:28:42 error : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.
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2021-01-20 22:28:42 error : [storage_redis] Failed when reading response to MULTI: no error,
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2021-01-20 22:28:42 error : [cache] Could not store new cache value, deleting a possibly existing old value.
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2021-01-20 22:28:42 warning: [storage_redis] Unexpected redis return type (ARRAY) received.
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2021-01-20 22:28:42 error : [cache] Could not delete cache item, the value may now be stale.
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2021-01-20 22:28:42 error : [storage_redis] Expected status message in the context of MULTI, but received a STRING.
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2021-01-20 22:28:42 warning: [storage_redis] Unexpected redis redis return type (STATUS) received.
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2021-01-20 22:32:57 error : [cache] Could not delete cache item, the value may now be stale.
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*** Error in `/usr/bin/maxscale': free(): invalid pointer: 0x00007f8c08000c92 ***
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======= Backtrace: =========
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/lib64/libc.so.6(+0x81679)[0x7f8ebb6d7679]
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/usr/lib64/maxscale/libstorage_redis.so(redisBufferWrite+0x245)[0x7f8e683a26a5]
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/usr/lib64/maxscale/libstorage_redis.so(redisGetReply+0x83)[0x7f8e683a27a3]
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/usr/lib64/maxscale/libstorage_redis.so(redisvCommand+0x27)[0x7f8e683a2a37]
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/usr/lib64/maxscale/libstorage_redis.so(+0x5bfd)[0x7f8e68396bfd]
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/usr/lib64/maxscale/libstorage_redis.so(+0x9a6c)[0x7f8e6839aa6c]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x182dcb)[0x7f8ebe3b0dcb]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase10ThreadPool6Thread4mainEv+0x155)[0x7f8ebe2cf425]
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x228a0f)[0x7f8ebe456a0f]
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/lib64/libpthread.so.0(+0x7e65)[0x7f8ebd448e65]
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/lib64/libc.so.6(clone+0x6d)[0x7f8ebb75488d]
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