• I have searched the issues of this repository and believe that this is not a duplicate.

Ⅰ. Issue Description

seata-all 2.0.0
kryo序列化方式，客户端中SerializerSecurityRegistry#getProtocolType

file.exists() 这里返回false

Ⅱ. Describe what happened

If there is an exception, please attach the exception trace:

Just paste your stack trace here!

java.lang.IllegalArgumentException: Class is not registered: io.seata.core.protocol.RegisterRMRequest
Note: To register this class use: kryo.register(io.seata.core.protocol.RegisterRMRequest.class);
at com.esotericsoftware.kryo.Kryo.getRegistration(Kryo.java:579) ~[kryo-5.4.0.jar:na]
at com.esotericsoftware.kryo.util.DefaultClassResolver.writeClass(DefaultClassResolver.java:112) ~[kryo-5.4.0.jar:na]
at com.esotericsoftware.kryo.Kryo.writeClass(Kryo.java:613) ~[kryo-5.4.0.jar:na]
at com.esotericsoftware.kryo.Kryo.writeClassAndObject(Kryo.java:708) ~[kryo-5.4.0.jar:na]
at io.seata.serializer.kryo.KryoInnerSerializer.serialize(KryoInnerSerializer.java:44) ~[seata-all-2.0.0.jar:2.0.0]
at io.seata.serializer.kryo.KryoSerializer.serialize(KryoSerializer.java:35) ~[seata-all-2.0.0.jar:2.0.0]
at io.seata.core.rpc.netty.v1.ProtocolV1Encoder.encode(ProtocolV1Encoder.java:96) ~[seata-all-2.0.0.jar:2.0.0]
at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1071) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:164) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.1.50.Final.jar:4.1.50.Final]
at java.lang.Thread.run(Thread.java:750) [na:1.8.0_382]

Ⅲ. Describe what you expected to happen

Ⅳ. How to reproduce it (as minimally and precisely as possible)

1. xxx
2. xxx
3. xxx

Minimal yet complete reproducer code (or URL to code):

Ⅴ. Anything else we need to know?

Ⅵ. Environment:

• JDK version(e.g. java -version ):
• Seata client/server version:
• Database version:
• OS(e.g. uname -a ):
• Others: