Unexpected error when calling stored procedure. (no replies)
I'm calling a stored procedure using the Java xdevapi. It returns rows. The stored procedure itself seems to work correctly and I can call it and receive results when using the C++ version of...
View ArticleConnectionIsClosedException is not a sqlexception (no replies)
the exceptions that occur when someone operate the database should be a SQLException in theory,but the jdbc driver of 8.0.19 defined some exceptions in “com.mysql.cj.exceptions” all inherit...
View ArticleUsing cursor fetch does not work in some cases (no replies)
Hi! I'm wondering if certain SQL statements cannot be used in combination with cursor fetch? The reason for asking is that running the SQL "show engines" results in "java.sql.SQLException: The...
View ArticleVersion 8.0.19 JDBC & Server problem with view (no replies)
I have discovered a problem when selecting data from a mySQL view that contains one or more calculated fields. I am using a PreparedStatement to query a view. Example Table Called XXX Column AAA...
View ArticleConnector 8 - Datetime Convertion (no replies)
Hi Everybody, I updated the connector version from 5.1.40 to 8.0.13 and found a problem with the Datetime data type that in the previous version did not exist. Suppose my application receives the...
View Articlejdbc syntax for timezone support (no replies)
These connection strings both work. I found a number of examples on how to do this and I'm not 100% how to prove it....
View Articleminor difference in system_time_zone (5.6) (no replies)
We have recently upgraded our mysql-connector-java (downloaded with spring boot) and it has caused a slightly odd anomaly which I ma investigating. Essentially it appears to be storing one of the...
View ArticleEmpty resultset returned by JDBC Connection (no replies)
Hello, We are running MySQL 5.7.27-enterprise-commercial-advanced-log on Linux. JDBC Driver -mysql-connector-java-8.0.11.jar Driver Class - com.mysql.cj.jdbc.Driver JDBC URL -...
View ArticleMySQL Connector/J 8.0.20 has been released (no replies)
https://insidemysql.com/mysql-connector-j-8-0-20-has-been-released/
View ArticleMySQL and NetBeans JPA (no replies)
Hi, I am using mySQL, JPA and NetBeans (GlassFish server). I get this error when I run my project. Can anyone help? Warning: java.lang.NullPointerException at...
View ArticleHow to connect to jdbc with Connector/j 8.0.20 (1 reply)
Faild to connect to jdbc Jdk 8.0.u251 MySql Server 8.0 The connector/j 8.0.20 IDE : NetBeans 8.2 My code : public Connection MySqlConnection() { Connection conn = null; try {...
View ArticleCommunication link failure in load balance mode (no replies)
I am using tomcat and Mysql connector/j 8. I have 2 haproxy servers connecting to 2 db nodes in active-passive mode such that the haproxy servers always passes the db connections to node1 as master....
View ArticleJava Vert.x JDBC client runtime load error: Could not load driverClass...
I have the following dependency in pom.xml: ``` <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.20</version>...
View ArticleMySQL Connector/J 8.0.21 has been released (no replies)
https://insidemysql.com/mysql-connector-j-8-0-21-has-been-released/
View Articlecom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: (no replies)
Hi Team, i am struggling to correct above mention error whilst completing the project. please see the source code and error listed for your kind reference. A Guidance will be much appreciated!...
View ArticleTo become a mobile app developer, java is required or not? (no replies)
To become a mobile app developer, java is required or not?
View Articlecom.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link...
Hi Team, while my app executing sql, I am getting "com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure packet received from the server xxxxxxx millisecond s" Error ....
View ArticleCan only connect via JDBC if Workbench first (no replies)
I installed MySQL, Workbench and ConnectorJ 8.0.21 on a virtual (EC2 on amazon) Windows Server 2016. MySQL server get installed as a Window Service and it says it is started as expected. My problem is...
View Articlesql iquery interception (no replies)
I want to implement a web scanner in java i need to intercept any sql request from any web application to the mysql data base via my scanner , is it possible
View ArticleMySQL Connector/J 8.0.22 has been released (no replies)
https://insidemysql.com/mysql-connector-j-8-0-22/
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