at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)~[mysql-connector-java-5.1.26.jar:na]at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)~[mysql-connector-java-5.1.26.jar:na]at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)~[mysql-connector-java-5....
at java.lang.reflect.Constructor.newInstance(Constructor.java:527) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at java.sql.DriverManager.getConnecti...
public ConnectionImpl(String hostToConnectTo, int portToConnectTo, Properties info, String databaseToConnectTo, String url) throws SQLException { // connection的默认时区使用的是JVM的默认时区,一般为操作系统的时区 // We store this per-connection, due to static synchronization issues in Java's built...
export JAVA_HOME=/usr/lib/jdk1.8.0_111 改为: export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.261-2.6.22.2.el7_8.x86_64重新登录,检查java版本[root@host73 ~]# which java /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.261-2.6.22.2.el7_8.x86_64/bin/java [root@host73 ~]# which...
to connect to MySQL 8.0.3. They should also make the same adjustments to their own applications if they use the old variables in their codes. (Bug #26440544) * X DevAPI: Calling schema.dropView() with a null argument resulted in a NullPointerException. (Bug #26750807) ...
com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:230) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:226) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverMana...
Dear MySQL users, MySQL Connector/Java 8.0.9-rc is the first Release Candidate of the 8.0 branch of MySQL Connector/J, providing an insight into upcoming features. It is suitable for use with MySQL Server versions 5.5, 5.6, 5.7, and 8.0. It supports the Java Database Connectivity (JDBC)...
(StringhostToConnectTo,intportToConnectTo,Propertiesinfo,StringdatabaseToConnectTo,Stringurl)throwsSQLException{// connection的默认时区使用的是JVM的默认时区,一般为操作系统的时区// We store this per-connection, due to static synchronization issues in Java's built-in TimeZone class...this.defaultTime...
yum install -y java-1.7.0-openjdk.x86_64 java-1.7.0-openjdk-devel.x86_64 1. 复制 修改JAVA_HOME 修改/etc/profile文件: export JAVA_HOME=/usr/lib/jdk1.8.0_111改为: export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.261-2.6.22.2.el7_8.x86_...
所以从mysql-connector-java 8.0.7开始,注册驱动要写com.mysql.cj.jdbc.Driver 比如说下面我这段druid.properties配置文件中的driverClassName=com.mysql.cj.jdbc.Driver,意思是驱动是com.mysql.cj.jdbc包下的Driver类。 driverClassName=com.mysql.cj.jdbc.Driver ...