fixed mysql auth

deployer/src/main/resources/example/instance.properties

@@ -33,7 +33,6 @@ canal.instance.tsdb.enable=true
 canal.instance.dbUsername=canal
 canal.instance.dbPassword=canal
 canal.instance.connectionCharset = UTF-8
-canal.instance.defaultDatabaseName =test
 # enable druid Decrypt database password
 canal.instance.enableDruid=false
 #canal.instance.pwdPublicKey=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALK4BUxdDltRRE5/zXpVEVPUgunvscYFtEip3pmLlhrWpacX7y7GCMo2/JM6LeHmiiNdH1FWgGCpUfircSwlWKUCAwEAAQ==

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/MysqlConnector.java

@@ -37,7 +37,7 @@ public class MysqlConnector {
     private String              password;
 
     private byte                charsetNumber     = 33;
-    private String              defaultSchema     = "test";
+    private String              defaultSchema;
     private int                 soTimeout         = 30 * 1000;
     private int                 connTimeout       = 5 * 1000;
     private int                 receiveBufferSize = 16 * 1024;
@@ -187,7 +187,7 @@ public class MysqlConnector {
         clientAuth.setServerCapabilities(handshakePacket.serverCapabilities);
         clientAuth.setDatabaseName(defaultSchema);
         clientAuth.setScrumbleBuff(joinAndCreateScrumbleBuff(handshakePacket));
-        clientAuth.setAuthPluginName(handshakePacket.authPluginName);
+        clientAuth.setAuthPluginName("mysql_native_password".getBytes());
 
         byte[] clientAuthPkgBody = clientAuth.toBytes();
         HeaderPacket h = new HeaderPacket();

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/packets/client/ClientAuthenticationPacket.java

@@ -17,7 +17,7 @@ public class ClientAuthenticationPacket extends PacketWithHeaderPacket {
     private int    clientCapability = Capability.CLIENT_LONG_PASSWORD | Capability.CLIENT_LONG_FLAG
                                       | Capability.CLIENT_PROTOCOL_41 | Capability.CLIENT_INTERACTIVE
                                       | Capability.CLIENT_TRANSACTIONS | Capability.CLIENT_SECURE_CONNECTION
-                                      | Capability.CLIENT_MULTI_STATEMENTS;
+                                      | Capability.CLIENT_MULTI_STATEMENTS | Capability.CLIENT_PLUGIN_AUTH;
     private String username;
     private String password;
     private byte   charsetNumber;