pmlopes
commented
5 years ago That can happen when your load test client closes the connection abruptly and your application is still pushing data to the socket. It's a non recoverable error that you can try to mitigate by checking if the socket is still open before writing.
java.lang.IllegalStateException: Response has already been written at io.vertx.core.http.impl.Http2ServerResponseImpl.checkEnded(Http2ServerResponseImpl.java:477) at io.vertx.core.http.impl.Http2ServerResponseImpl.write(Http2ServerResponseImpl.java:434) at io.vertx.core.http.impl.Http2ServerResponseImpl.end(Http2ServerResponseImpl.java:394) at io.vertx.core.http.impl.Http2ServerResponseImpl.end(Http2ServerResponseImpl.java:367) at com.rjil.http2.message.Http2Request.sendResponse(Http2Request.java:44) at com.example.http2.test.Http2ServerCallbacksExample.onRequestReceived(Http2ServerCallbacksExample.java:37) at com.rjil.http2.connection.Http2ServerRequestHandler$1.handle(Http2ServerRequestHandler.java:53) at com.rjil.http2.connection.Http2ServerRequestHandler$1.handle(Http2ServerRequestHandler.java:1) at io.vertx.core.http.HttpServerRequest.lambda$1(HttpServerRequest.java:214) at io.vertx.core.http.impl.Http2ServerRequestImpl.handleReset(Http2ServerRequestImpl.java:201) at io.vertx.core.http.impl.VertxHttp2Stream.onResetRead(VertxHttp2Stream.java:73) at io.vertx.core.http.impl.Http2ConnectionBase.lambda$8(Http2ConnectionBase.java:312) at io.vertx.core.impl.ContextImpl.executeTask(ContextImpl.java:320) at io.vertx.core.impl.EventLoopContext.execute(EventLoopContext.java:43) at io.vertx.core.impl.ContextImpl.executeFromIO(ContextImpl.java:188) at io.vertx.core.impl.ContextImpl.executeFromIO(ContextImpl.java:180) at io.vertx.core.http.impl.Http2ConnectionBase.onRstStreamRead(Http2ConnectionBase.java:312) at io.vertx.core.http.impl.Http2ServerConnection.onRstStreamRead(Http2ServerConnection.java:1) at io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder$FrameReadListener.onRstStreamRead(DefaultHttp2ConnectionDecoder.java:350) at io.netty.handler.codec.http2.DefaultHttp2FrameReader.readRstStreamFrame(DefaultHttp2FrameReader.java:516) at io.netty.handler.codec.http2.DefaultHttp2FrameReader.processPayloadState(DefaultHttp2FrameReader.java:260) at io.netty.handler.codec.http2.DefaultHttp2FrameReader.readFrame(DefaultHttp2FrameReader.java:160) at io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder.decodeFrame(DefaultHttp2ConnectionDecoder.java:118) at io.netty.handler.codec.http2.Http2ConnectionHandler$FrameDecoder.decode(Http2ConnectionHandler.java:390) at io.netty.handler.codec.http2.Http2ConnectionHandler.decode(Http2ConnectionHandler.java:450) at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.vertx.core.http.impl.VertxHttp2ConnectionHandler.channelRead(VertxHttp2ConnectionHandler.java:425) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:628) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:563) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:480) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:442) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748)