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我正在使用带有 RemoteWebDriver 的 BrowserMob 代理接口版本 2.1.0-beta-3（最新），并且在运行它时经常看到以下警告/异常。当驱动程序试图导航到 URL 时，远程端似乎停止/崩溃/关闭了连接。但是我真的不明白是什么导致它关闭。

LittleProxy-0-ClientToProxyWorker-1é WARN org.littleshoot.proxy.impl.ClientToProxyConnection - (AWAITING_INITIAL) °id: 0x6d0bba70, /162.222.73.15:18708 => /<ip>:13000é: Caught an exception on ClientToProxyConnection
java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
    at sun.nio.ch.IOUtil.read(IOUtil.java:192)
    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:384)
    at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:447)
    at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:881)
    at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:242)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:119)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
°LittleProxy-0-ClientToProxyWorker-0é WARN org.littleshoot.proxy.impl.ClientToProxyConnection - (NEGOTIATING_CONNECT) °id: 0xead90d4d, /162.222.73.15:19770 => /<ip>:13000é: Caught an exception on ClientToProxyConnection
java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
    at sun.nio.ch.IOUtil.read(IOUtil.java:192)
    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:384)
    at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:447)
    at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:881)
    at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:242)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:119)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
°LittleProxy-0-ClientToProxyWorker-2é WARN org.littleshoot.proxy.impl.ClientToProxyConnection - (NEGOTIATING_CONNECT) °id: 0x79fa97f4, /162.222.73.15:9147 => /<ip>:13000é: Caught an exception on ClientToProxyConnection
java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
    at sun.nio.ch.IOUtil.read(IOUtil.java:192)
    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:384)
    at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:447)
    at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:881)
    at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:242)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:119)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
°LittleProxy-0-ClientToProxyWorker-3é WARN org.littleshoot.proxy.impl.ClientToProxyConnection - (AWAITING_INITIAL) °id: 0xaa25c51b, /162.222.73.15:19720 => /<ip>:13000é: Caught an exception on ClientToProxyConnection
java.io.IOException: Connection reset by peer
    at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
    at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
    at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
    at sun.nio.ch.IOUtil.read(IOUtil.java:192)
    at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:384)
    at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:447)
    at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:881)
    at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:242)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:119)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)

大多数情况下，执行仍在继续，它实际上导航到所需的 URL 并捕获 HAR，但有时它只是挂起，之后我必须终止进程。

另外，如果我让进程继续运行一段时间，就会不断出现这些错误。这似乎是一个 SSL 证书问题，但它通常搭载第一个问题。

°LittleProxy-0-ClientToProxyWorker-3é ERROR org.littleshoot.proxy.impl.ClientToProxyConnection - (AWAITING_INITIAL) °id: 0x71209d6c, /162.222.73.15:6210 => /<ip>:13000é: Caught an exception on ClientToProxyConnection
io.netty.handler.codec.DecoderException: javax.net.ssl.SSLException: Received fatal alert: certificate_unknown
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:358)
    at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:230)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
Caused by: javax.net.ssl.SSLException: Received fatal alert: certificate_unknown
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:208)
    at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1639)
    at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1607)
    at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1776)
    at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1068)
    at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:890)
    at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:764)
    at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
    at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1135)
    at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1025)
    at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:965)
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:327)
    ... 11 more

也一直在观察这些异常，尽管我认为它们与 broswermob 无关或可能

[LittleProxy-0-ClientToProxyWorker-0] ERROR org.littleshoot.proxy.impl.ClientToProxyConnection - (NEGOTIATING_CONNECT) [id: 0x2ea1eced, /162.222.73.13:7919 => /<ip>:13000]: Caught an exception on ClientToProxyConnection
io.netty.handler.ssl.NotSslRecordException: not an SSL/TLS record: 802e0100020015000000100100800700c00300800600400200800400800000ff322036ba42651dc8aa28877107bb772c
    at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:977)
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:327)
    at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:230)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
[LittleProxy-0-ClientToProxyWorker-2] ERROR org.littleshoot.proxy.impl.ClientToProxyConnection - (NEGOTIATING_CONNECT) [id: 0xcee6232c, /162.222.73.13:31136 :> 0.0.0.0/0.0.0.0:13000]: Caught an exception on ClientToProxyConnection
io.netty.handler.codec.DecoderException: javax.net.ssl.SSLHandshakeException: Client requested protocol SSLv3 not enabled or not supported
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:358)
    at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:230)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    at java.lang.Thread.run(Thread.java:745)
Caused by: javax.net.ssl.SSLHandshakeException: Client requested protocol SSLv3 not enabled or not supported
    at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1348)
    at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:519)
    at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:796)
    at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:764)
    at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
    at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1135)
    at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1025)
    at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:965)
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:327)
    ... 11 more
Caused by: javax.net.ssl.SSLHandshakeException: Client requested protocol SSLv3 not enabled or not supported
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
    at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1639)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:281)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:269)
    at sun.security.ssl.ServerHandshaker.clientHello(ServerHandshaker.java:431)
    at sun.security.ssl.ServerHandshaker.processMessage(ServerHandshaker.java:167)
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:913)
    at sun.security.ssl.Handshaker$1.run(Handshaker.java:853)
    at sun.security.ssl.Handshaker$1.run(Handshaker.java:851)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1285)
    at io.netty.handler.ssl.SslHandler.runDelegatedTasks(SslHandler.java:1161)
    at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1064)
    ... 13 more

我曾尝试在网上查找和搜索，但似乎没有一个好的解决方案。任何建议或方向都会非常有帮助。

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1 回答 1

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您已经提出了几个在日志中看到的不同异常。在对等连接重置的情况下，我也经常看到这种情况。我还不能证实这一点，但我确实有一个关于是什么原因的理论。

我正在运行加载许多页面的测试套件。当第一页测试完成时，它会加载下一页。但是，当它这样做时，可能仍有网络请求正在进行中。当 Web 浏览器请求新页面时，仍然打开的连接会发生什么情况？我怀疑浏览器在继续之前关闭了这些连接。这将导致 BrowserMob 代理获得意外的关闭连接事件。当它这样做时，它可能会抛出Connection reset by peer异常，然后被记录。

如果是这种情况，那么这可能不是问题。应该可以创建一些测试场景来证明这一点。

于 2016-02-12T22:32:12.917 回答