2、Jmeter测试

一、测试流程

1、添加本次测试计划 （右键-->添加-->Threads（Users）-->线程组）

2、设置线程数 （所谓线程数就是并发用户数）

3、在线程组内添加请求（右键-->添加-->取样器-->HTTP请求）

4、添加协议及相关配置信息

5、添加监听器-查看结果树

6、启动测试

二、模拟大量请求

（设置线程数-（线程代表异步，同段时间内，同时运行的方式进行请求访问））

报错的几种方式:

//1、连接被关闭

org.apache.http.ConnectionClosedException: Connection is closed
    at org.apache.http.impl.BHttpConnectionBase.ensureOpen(BHttpConnectionBase.java:130)
    at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseEntity(DefaultBHttpClientConnection.java:175)
    at org.apache.http.impl.conn.CPoolProxy.receiveResponseEntity(CPoolProxy.java:162)
    at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279)
    at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.executeRequest(HTTPHC4Impl.java:843)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:574)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1231)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1220)
    at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
    at java.lang.Thread.run(Unknown Source)

//2、连接已停闭

java.io.InterruptedIOException: Connection has been shut down
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:342)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.executeRequest(HTTPHC4Impl.java:843)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:574)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1231)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1220)
    at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.http.impl.conn.ConnectionShutdownException
    at org.apache.http.impl.conn.CPoolProxy.getValidConnection(CPoolProxy.java:77)
    at org.apache.http.impl.conn.CPoolProxy.receiveResponseEntity(CPoolProxy.java:162)
    at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279)
    at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
    ... 15 more

//3、Socket 被停止连接

java.net.SocketException: Socket operation on nonsocket: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75)
    at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl$JMeterDefaultHttpClientConnectionOperator.connect(HTTPHC4Impl.java:336)
    at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:374)
    at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.executeRequest(HTTPHC4Impl.java:843)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:574)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1231)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1220)
    at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
    at java.lang.Thread.run(Unknown Source)

//4、Socket 被关闭

java.net.SocketException: Socket closed
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.socketRead(Unknown Source)
    at java.net.SocketInputStream.read(Unknown Source)
    at java.net.SocketInputStream.read(Unknown Source)
    at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
    at org.apache.http.impl.io.SessionInputBufferImpl.read(SessionInputBufferImpl.java:197)
    at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:188)
    at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:135)
    at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:148)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.readResponse(HTTPSamplerBase.java:1850)
    at org.apache.jmeter.protocol.http.sampler.HTTPAbstractImpl.readResponse(HTTPAbstractImpl.java:477)
    at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:600)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:67)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1231)
    at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1220)
    at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
    at java.lang.Thread.run(Unknown Source)