Help me figure out the cause of this exception

[khanhdev]

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Exception: java.lang.IllegalArgumentException
Message: Illegal request size: 0 bytes, from: { Id: 45, Type: DEFAULT, Logged: No, IP: 141.98.83.11:64126 }
Sender: { Id: 45, Type: DEFAULT, Logged: No, IP: 141.98.83.11:64126 }
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Stack Trace:
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com.smartfoxserver.v2.protocol.binary.BinaryIoHandler.validateIncomingDataSize(BinaryIoHandler.java:511)
com.smartfoxserver.v2.protocol.binary.BinaryIoHandler.handleDataSize(BinaryIoHandler.java:295)
com.smartfoxserver.v2.protocol.binary.BinaryIoHandler.handleRead(BinaryIoHandler.java:183)
com.smartfoxserver.v2.protocol.SFSIoHandler.onDataRead(SFSIoHandler.java:143)
com.smartfoxserver.bitswarm.core.SocketReader.readTcpData(SocketReader.java:336)
com.smartfoxserver.bitswarm.core.SocketReader.readIncomingSocketData(SocketReader.java:220)
com.smartfoxserver.bitswarm.core.SocketReader.run(SocketReader.java:171)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
java.lang.Thread.run(Thread.java:748)
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[Lapo]

Hi,
this is garbage data coming from a client. In other words a client that does not speak the SFS2X protocol has probably connected and tried to send data. This in turn causes an error as the byte stream does not contain data that is understood by SFS2X.

Cheers

[khanhdev]

Hi,
this is garbage data coming from a client. In other words a client that does not speak the SFS2X protocol has probably connected and tried to send data. This in turn causes an error as the byte stream does not contain data that is understood by SFS2X.

Cheers

Thank you