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The CLOB field cannot be converted when querying Damon database

2022-07-26 10:17:00 【shin_ cy】

problem ： Table field type is text when , Format conversion error occurred on the data return page

org.springframework.http.converter.HttpMessageConversionException: Type definition error: [simple type, class dm.jdbc.util.Buffer]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class dm.jdbc.util.Buffer and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: com.gsoft.foa.common.dto.AjaxResult["data"]->java.util.ArrayList[1]->java.util.HashMap["C_CHANGELOG"]->com.alibaba.druid.proxy.jdbc.NClobProxyImpl["rawNClob"]->dm.jdbc.driver.DmdbNClob["K"]->dm.jdbc.driver.DmdbConnection["gX"]->dm.jdbc.c.a["li"])