wanwenq33 commented on issue #13814:
URL: https://github.com/apache/dubbo/issues/13814#issuecomment-1980176466

   2024.03.06 14:31:54 
org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation 95 -  [DUBBO] 
Decode rpc invocation failed: null, dubbo version: 3.0.15, current host: 
10.112.98.238
   java.lang.NullPointerException: null
           at 
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936) 
~[?:1.8.0_275]
           at 
org.apache.dubbo.rpc.support.GroupServiceKeyCache.getServiceKey(GroupServiceKeyCache.java:37)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.support.ProtocolUtils.serviceKey(ProtocolUtils.java:51) 
~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.protocol.AbstractProtocol.serviceKey(AbstractProtocol.java:82)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol.getInvoker(DubboProtocol.java:277)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.protocol.dubbo.CallbackServiceCodec.decodeInvocationArgument(CallbackServiceCodec.java:327)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:224)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:92)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.remoting.transport.DecodeHandler.decode(DecodeHandler.java:60) 
~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:44)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:59)
 ~[dubbo-3.0.15.jar:3.0.15]
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
~[?:1.8.0_275]
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
~[?:1.8.0_275]
           at 
org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
 ~[dubbo-3.0.15.jar:3.0.15]
           at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_275]


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