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Language:
English
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Language:
English
12.6. Cache Store Troubleshooting
12.6.1. IOExceptions with JdbcStringBasedCacheStore
An IOException Unsupported protocol version 48 error when using
JdbcStringBasedCacheStore
indicates that your data column type is set to VARCHAR
, CLOB
or something similar instead of the correct type, BLOB
or VARBINARY
. Despite its name, JdbcStringBasedCacheStore
only requires that the keys are strings while the values can be any data type, so that they can be stored in a binary column.