mysql-connector-j-5.0.8连接ddal server认证失败

[forchid]

当使用mysql-5.0.8.jar连接ddal-server时出现连接认证错误，但mysql-connector-java-5.1.37-bin.jar正常。错误堆栈如下：
[2016-07-13 11:45:58.420] [request-processor-2] [ERROR] [c.o.s.mysql.MySQLHandshakeHandler] - Authorize failed. 47
java.lang.ArrayIndexOutOfBoundsException: 47
at com.openddal.server.mysql.proto.Proto.get_lenenc_int(Proto.java:246) ~[classes/:na]
at com.openddal.server.mysql.proto.HandshakeResponse.loadFromPacket(HandshakeResponse.java:99) ~[classes/:na]
at com.openddal.server.mysql.MySQLHandshakeHandler$AuthTask.run(MySQLHandshakeHandler.java:169) ~[classes/:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_60]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0_60]
at java.lang.Thread.run(Unknown Source) [na:1.7.0_60]
[2016-07-13 11:45:58.420] [request-processor-3] [ERROR] [c.o.s.mysql.MySQLHandshakeHandler] - Authorize failed. null
java.lang.NegativeArraySizeException: null
at java.lang.AbstractStringBuilder.(Unknown Source) ~[na:1.7.0_60]
at java.lang.StringBuilder.(Unknown Source) ~[na:1.7.0_60]
at com.openddal.server.mysql.proto.Proto.get_fixed_str(Proto.java:290) ~[classes/:na]
at com.openddal.server.mysql.proto.Proto.get_fixed_str(Proto.java:310) ~[classes/:na]
at com.openddal.server.mysql.proto.Proto.get_null_str(Proto.java:331) ~[classes/:na]
at com.openddal.server.mysql.proto.Proto.get_null_str(Proto.java:319) ~[classes/:na]
at com.openddal.server.mysql.proto.HandshakeResponse.loadFromPacket(HandshakeResponse.java:96) ~[classes/:na]
at com.openddal.server.mysql.MySQLHandshakeHandler$AuthTask.run(MySQLHandshakeHandler.java:169) ~[classes/:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0_60]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0_60]
at java.lang.Thread.run(Unknown Source) [na:1.7.0_60]