[bug]for oceanbase4 update error

[uzNYbek2]

ERROR 2025-12-09 03:18:53.761Z [reactor-tcp-nio-1] [traceId=] [spanId=] i.a.r.m.client.ReactorNettyClient - Error: java.lang.IndexOutOfBoundsException: readerIndex(41) + length(110) exceeds writerIndex(48): PooledSlicedByteBuf(ridx: 41, widx: 48, cap: 48/48, unwrapped: PooledUnsafeDirectByteBuf(ridx: 52, widx: 52, cap: 2048))
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(41) + length(110) exceeds writerIndex(48): PooledSlicedByteBuf(ridx: 41, widx: 48, cap: 48/48, unwrapped: PooledUnsafeDirectByteBuf(ridx: 52, widx: 52, cap: 2048))
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:500)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:1583)

[jchrys]

@uzNYbek2 Hi, Thanks for the report.
Could you please provide your OceanBase / driver versions or the scenario that triggers this error?