6

in debug.log i see following entries:

[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:      {"method":"GET","url":"http:/","invalidateInfo":{"tags":     
["CONFIG"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["LAYOUT_GENERAL_CACHE_TAG"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":  
["BLOCK_HTML"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":  
["COLLECTION_DATA"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":    
["REFLECTION"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":   
["DB_DDL"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["EAV"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":  
["CUSTOMER_NOTIFICATION"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["FPC"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["INTEGRATION"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["INTEGRATION_API_CONFIG"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["TRANSLATE"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:39] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"tags":
["WEBSERVICE"],"mode":"matchingTag"},"is_exception":false} []
[2016-11-11 21:59:46] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_design_config_grid_flat_1"},"is_exception":false} []
[2016-11-11 21:59:46] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_design_config_grid_flat_2"},"is_exception":false} []
[2016-11-11 21:59:46] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_design_config_grid_flat_3"},"is_exception":false} []
[2016-11-11 21:59:46] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_design_config_grid_flat_4"},"is_exception":false} []

Why cache is invalidate, even i clear and flush cache ?

1

These are not errors, they are just saying that the cache has been invalidated. If these are the only messages you are seeing in any log files. You can turn off logging to stop them coming out if they are a problem.

1

as @PrimalBurgh said, this are not error.

[2017-01-01 12:00:00] main.DEBUG: cache_invalidate:  {"method":"GET","url":"http://example.com/product-name.html","invalidateInfo":{"tags":["interception","CONFIG"],"mode":"matchingTag"},"is_exception":false} []

This simply suggest that cache has been invalidated. This debug logs are printed in following conditions -

  • If a page is opened first time i.e no cache and cache is created for first time
  • if the cache interval is ended and new cache is generated

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