and offers free services for data backup and disaster recovery.PolarDB for MySQL incorporates the benefits of commercial databases and open source cloud databases.This article introduces how XD.com uses PolarDB for MySQL ...
Common feature classes Overview The ...which is mainly used for the IntelligenceAlgorithmScorer class.Classes in the com.aliyun.opensearch.cava.features.similarity.distribution package Class Description FieldTermProximity Calculates the proximity of a query term to a specified field. QueryMinSlideWindow Calculates the ratio of the number of terms that a search query hits in a specific field to the minimum window of the search query in the field. Classes in thecom.aliyun.opensearch.cava.features.similarity.fieldmatch package Class Description FieldLength Obtains the number of terms after the analysis of a field in an index. FieldMatchRatio Calculates the ratio of terms that a search query hits in a specified field to all terms in the field. FieldTermMatchCount Calculates the number of terms that a search query hits in an index. FieldMatchWeighted Calculates the proximity of a query term to a specific field. BM25 Calculates the BM25 score of a query term based on a specific field. BM25F Calculates the text relevance of a query term to multiple specified fields based on the BM25 class. KeyWordsMatched Measures the extent to which the keywords of a search query match a specific field. Classes in thecom.aliyun.opensearch.cava.features.similarity.querymatch package Class Description QueryMatchRatio Calculates the ratio of terms that a search query hits in a specific field or all fields of an index to all terms in the index. QueryTermCount Calculates the number of query terms after analysis. QueryTermMatchCount Calculates the number of terms that a search query hits in an index. Algorithm model feature classes Thecom.aliyun.opensearch.cava.features.algo package encapsulates the feature class that is used to calculate scores based on a deep learning model. You can use the feature class to calculate the score of document based on a deep learning model. Class in thecom.aliyun.opensearch.cava.features.algo package Class Description AlgoModel Calculates the score of a document based on a deep learning model. Make sure that you have configured a deep learning model in OpenSearch and the test data of the model has flowed back. The feature class can be used only for the IntelligenceAlgorithmScorer class.
Common feature classes Overview The ...OpenSearch provides the following child packages of the ...
Error message SEVERE:Context initialization failed java.lang.NoClassDefFoundError:Could not initialize class com.ali.unit.rule.Router Solution Address Server jmenv.tbsite.net cannot be connected. In this case,bind the domain name....
Problem description This exception occurs when a thread is created in an app.If the exception is not caught in the thread,the exception will be caught in RuntimeInit and the thread will be killed.Check other ...} References ...
问题分析 此类异常发生在应用创建了线程，如果线程因为异常未捕获而退出，在RuntimeInit中会捕获此类异常并杀死进程。具体异常的原因需要看日志附近其他log确定触发异常信息。解决方案 因为应用开启的线程抛出了异常未被捕获而导致抛出......
Dear Alibaba Cloud users,Certificate Management Service is available at the international site(alibabacloud.com).After a year of data migration for SSL certificates,Alibaba Cloud migrated the data of certificates in the ...
you can still purchase GlobalSign and Entrust certificates.After DigiCert certificates hit the store shelves again,you can purchase them at the International site(alibabacloud.com).We will make announcements when DigiCert ...
Could not initialize class ...
问题描述 Dataphin集成任务报错：“com.mongodb.MongoSocketException: rs-*.mongodb.rds.aliyuncs.com: Name or service not known”，“Caused by:java.net.UnknownHostException: rs-*.mongodb.rds.aliyuncs.com”。问题原因 Name or service ...
问题描述 Quick BI用户访问bi.aliyun.com，报错“保存失败”。问题原因 当前登录这个账号类型加错了，阿里云账号是ram账号，但是在Quick BI是以主账号加进来的。解决方案 需要让管理员在用户管理页面把当前登录账号先删掉，再重新添加。...
Application Security of Application Real-Time Monitoring Service(ARMS)is available for commercial use on the international site(alibabacloud.com)as of 00:00(UTC+8)on August 18,2022.Billing For more information about the ...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud International site(alibabacloud.com)from 20:00 to 22:00 on March 18,2022,UTC+8.During the update,you can normally use the EDAS console,...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud international site(alibabacloud.com)from 20:00 to 23:59 on February 22,2023,UTC+8.During the update,you can normally use the EDAS console...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud International site(alibabacloud.com)from 20:00 to 22:00 on May 24,2021.To ensure that the service can be properly updated,do not use the ...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud International site(alibabacloud.com)from 20:00 to 22:00 on December 6,2022,UTC+8.During the update,you can normally use the EDAS console,...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud International site(alibabacloud.com)from 20:00 to 24:00 on September 8,2022,UTC+8.During the update,you can normally use the EDAS console...
Enterprise Distributed Application Service(EDAS)will be updated on the Alibaba Cloud International site(alibabacloud.com)from 20:00 to 24:00 on May 26,2022,UTC+8.During the update,you can normally use the EDAS console,and ...
在使用同步任务时，Dataphin同步任务报错如下：DataSourceNotAvailableException com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 1 milliseconds ago....
Quick BI数据集抽取加速报错“sync error....网络不稳定造成的抽取加速失败。【解决方案】从报错可以看出是客户端与数据库服务器之间的连接出现问题，需要检查数据库是否连接正常，进行重新加速。【适用于】Quick BI 专业版
问题描述 Dataphin创建管道任务提示“com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure”。问题原因 确认下沙箱白名单中有没有加数据源的域名端口。确认下有没有将公网IP添加至数据库白名单。解决方案 ...
java.lang.RuntimeException:SQL execute error by datasource.java.sql.SQLException:[32003,2025073116053302101708722903151980607]:Query exceeded reserved memory limit com.mysql.cj.jdbc.exceptions.SQLError.createSQLException...
问题描述 Dataphin创建表时配置字段默认值报错："cannot be cast to com.aliyun.odps.compiler.Literal"问题原因 字段默认值是随机导致的。解决方案 将字段默认值修改为固定值即可。适用于 Dataphin 公共云
问题描述 Quick BI图表跳转配置外部链接访问时报错：“mp.weixin.qq.com 拒绝连接。是什么原因？问题原因 跳转配置的打开方式是弹窗打开，在产品内弹窗打开访问的域名是Quick BI页面的域名，微信侧有什么安全策略限制，拒绝了访问请求，...
问题描述 Quick BI饼图图表下钻后预览报错：INTERNAL:com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '901' for key '*' 问题原因 主键的唯一值重复，在对数据库进行查询、修改、插入操作时，当...
问题描述 在Dataphin的 从SQL Server往MaxCompute管道集成任务，设置的两边表结构完全相同，也没有什么筛选条件，但是报错：ERROR CommonRdbmsReader$Task-error occurred when reading.com.microsoft.sqlserver.jdbc.SQLServerException:...
问题描述 Quick BI新建PolarDB MySQL数据源连接报错："Could not load JDBC driver class[com.mysql.cj.jdbc.Driver]。问题原因 数据库的版本选择异常导致的。解决方案 将数据库版本修改为5.7版本。适用于 Quick BI 公共云
问题描述 Quick BI数据集预览报错：”xxxx.Error:com.aliyun.odps.OdpsException: Invalid setInformation response.“是什么原因呢？问题原因 ODPS侧服务问题导致Quick BI侧使用MCQA功能受影响。解决方案 关闭Quick BI侧使用到ODPS的MCQA的...
问题描述 Quick BI获取报表Ticket详情报“UserInfo:null com.alibaba.yunbi.v2.common.util.exception.AppRuntimeException: Ticket[XXX]has expired.”。问题原因 Ticket过期了，超出了设置的expireTime参数。解决方案 需要更新嵌⼊报表的...
问题描述 Quick BI调用OpenAPI报错“com.alibaba.quickbi.openapi.core.exception.ClientException: request error”。Quick BI目前内网部署，原来在外网用的域名可以的，部署到内网后把域名改为以上IP，AK,SK未变化。quickbi配置 host:...
【问题描述】Quick BI数据集刷新预览报错：“com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Duplicate column name 'cola'”【问题原因】查询SQL的字段名'cola'重复。【解决方案】修改字段'cola'名为其他即可。【适用于】Quick ...
完整的报错信息如下：Error Code:DPN.Os.CatalogNotFound Error Message:Catalog Not Found:EPM com.alibaba.dt.oneservice.api.exception.OsBizException: Catalog Not Found: EPM atcom.alibaba.dt.oneservice.api.exception.OsBizException$...
【问题描述】Quick BI数据集报错:"数据源执行SQL失败:INTERNAL:com.aliyun.odps.ReloadException: ODPS-0410051:Invalid credentials - accessKeyId not found"【解决方案】产生此报错的原因为数据源填写的AccessKey信息错误，您可以进入...
问题描述 Quick Audience更新受众报错“com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException:[17002,2022110816094719216819617603151082263]table already exist=es_*”问题原因 客户更新受众时所对应的ADB数据库在备份快照导致。...