I am getting the same errors - it works for a little while and then just dies.
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - Zero sized function (client:311488945:unknown): type:20 size:0:
ERROR server comment - constructor AMFDataObj(ByteBuffer)[23:25]: java.lang.NegativeArraySizeException
Are you guys working on this? otherwise we might just switch to red5 so we can debug / fix it ourselves