{"msg":"nested exception is org.apache.ibatis.exceptions.PersistenceException: \r\n### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 30003, active 20, maxActive 20, creating 0, createErrorCount 76, runningSqlCount 19 : SELECT count(1)\nFROM web_model t1\nWHERE EXISTS (\n\t\tSELECT ?\n\t\tFROM web_model_biaoqian\n\t\tWHERE model_id = t1.model_id\n\t\t\tAND biaoqian = ?\n\t)\n\tAND t1.status = ?\n\tAND t1.up_flag = ?\r\n### The error may exist in URL [jar:file:/C:/mxsc/webapps/ROOT/WEB-INF/lib/ruoyi-system-4.7.9.jar!/mapper/system/WebModelMapper.xml]\r\n### The error may involve com.ruoyi.system.mapper.WebModelMapper.selectWebModelList1\r\n### The error occurred while executing a query\r\n### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 30003, active 20, maxActive 20, creating 0, createErrorCount 76, runningSqlCount 19 : SELECT count(1)\nFROM web_model t1\nWHERE EXISTS (\n\t\tSELECT ?\n\t\tFROM web_model_biaoqian\n\t\tWHERE model_id = t1.model_id\n\t\t\tAND biaoqian = ?\n\t)\n\tAND t1.status = ?\n\tAND t1.up_flag = ?","code":500}