ningbing commented on issue #12278:
URL: https://github.com/apache/doris/issues/12278#issuecomment-1237780362
@stalary the JDK is 1.8+, the Error Log is:
The last packet sent successfully to the server was 0 milliseconds ago. The
driver has not received any packets from the server.
at
com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
at
com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
at
com.mysql.cj.jdbc.ConnectionImpl.pingInternal(ConnectionImpl.java:1517)
at
com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:842)
... 57 more
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: 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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
at
com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
at
com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
at
com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
at
com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:541)
at
com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:711)
at
com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:650)
at
com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:130)
at com.mysql.cj.NativeSession.sendCommand(NativeSession.java:317)
at com.mysql.cj.NativeSession.ping(NativeSession.java:1189)
at
com.mysql.cj.jdbc.ConnectionImpl.pingInternal(ConnectionImpl.java:1516)
... 58 more
Caused by: java.io.EOFException: Can not read response from server. Expected
to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
at
com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
at
com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
at
com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
at
com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
at
com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
at
com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
at
com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
at
com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:535)
... 64 more
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