Jmeter压测过程中出现的问题，哪位大神遇见过？

org.apache.http.conn.ConnectTimeoutException: Connect to XXXX.com:443 failed: Read timed out
   at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
   at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl$JMeterDefaultHttpClientConnectionOperator.connect(HTTPHC4Impl.java:404)
   at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
   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:186)
   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:935)
   at org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:646)
   at org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:66)
   at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1296)
   at org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1285)
   at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:638)
   at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:558)
   at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:489)
   at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:256)
   at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketTimeoutException: Read timed out
   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 sun.security.ssl.SSLSocketInputRecord.read(Unknown Source)
   at sun.security.ssl.SSLSocketInputRecord.readFully(Unknown Source)
   at sun.security.ssl.SSLSocketInputRecord.decodeInputRecord(Unknown Source)
   at sun.security.ssl.SSLSocketInputRecord.decode(Unknown Source)
   at sun.security.ssl.SSLTransport.decode(Unknown Source)
   at sun.security.ssl.SSLSocketImpl.decode(Unknown Source)
   at sun.security.ssl.SSLSocketImpl.readHandshakeRecord(Unknown Source)
   at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
   at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
   at org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:436)
   at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:384)
   at org.apache.jmeter.protocol.http.sampler.hc.LazyLayeredConnectionSocketFactory.connectSocket(LazyLayeredConnectionSocketFactory.java:91)
   at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
   ... 19 more