错误代码：110099999

错误代码:110099999
数据集: '未命名-2'   执行用户: 'admin'
g5.util.RTWrappedException: g5.util.exception.ConnException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at g5.qry.driver.ConnectionProvider.getConn(ConnectionProvider.java:115)
        at g5.sv.qry.req.TestQryReq$CreateConnRunable.run(TestQryReq.java:351)
        at g5.thread.ThreadPoolWithChecker$GThread.run0(ThreadPoolWithChecker.java:223)
        at g5.thread.AbsThreadPool$PThread.run(AbsThreadPool.java:325)
Caused by: g5.util.exception.ConnException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at g5.qry.sql.impl.SQLConnBuilder.build0(SQLConnBuilder.java:91)
        at g5.qry.sql.impl.JDBCConnBuilder.build(JDBCConnBuilder.java:66)
        at jdk.internal.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at g5.qry.driver.ConnectionProvider.getConn(ConnectionProvider.java:90)
        ... 3 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:403)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:335)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2187)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2220)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2015)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:768)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:403)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:385)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:323)
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:189)
        at g5.qry.sql.impl.SQLConnBuilder.build0(SQLConnBuilder.java:81)
        ... 8 more
Caused by: java.net.ConnectException: Connection timed out: connect
        at java.base/java.net.PlainSocketImpl.waitForConnect(Native Method)
        at java.base/java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:107)
        at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399)
        at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)
        at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)
        at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)
        at java.base/java.net.Socket.connect(Socket.java:591)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:299)
        ... 23 more

yhdata_66Dtk3kw 发表于 2024-1-17 11:31
是在链接云数据库上报错，已上传图片，麻烦请看看

参考这个看看https://club.yonghongtech.com/thread-10238-1-1.html

是做什么操作的时候报错呢，截图佳杰报错详情

yhdata_lyaa 发表于 2024-1-17 11:26
是做什么操作的时候报错呢，截图佳杰报错详情

是在链接云数据库上报错，已上传图片，麻烦请看看