在Spring Boot上读取超时

分类：编程问答

如何解决在Spring Boot上读取超时

我正在调试Spring Boot应用程序中的读取超时问题。令人惊讶的是，同一台机器上其他应用程序中的相同代码正在运行。我无法弄清楚它是否与SSL握手或应用程序有关。

任何有SSL经验的人都能给我一个提示，如果它遇到SSL握手或应用程序问题？

*** ECDH ServerKeyExchange
Signature Algorithm SHA256withRSA
Server key: Sun EC public key,256 bits
  public x coord: 29542406192106943339474754606390399164782715617307032715472057145354950567400
  public y coord: 79571066831123360733094408216631886961080379522778654162313628092705655634054
  parameters: secp256r1 [NIST P-256,X9.62 prime256v1] (1.2.840.10045.3.1.7)
http-nio-8080-exec-2,READ: TLSv1.2 Handshake,length = 4
*** ServerHelloDone
*** ECDHClientKeyExchange
ECDH Public value:  { 4,9,60,230,143,12,133,160,181,201,189,200,105,7,87,100,204,150,182,224,126,197,242,190,28,207,134,161,202,148,213,168,107,68,115,175,56,137,48,120,162,254,239,73,93,35,67,10,112,156,169,176,212,41,84 }
http-nio-8080-exec-2,WRITE: TLSv1.2 Handshake,length = 70
SESSION KEYGEN:
PreMaster Secret:
0000: B1 95 73 21 31 9C 64 04   4D 60 92 E4 D5 8F 1C A6  ..s!1.d.M`......
0010: FD 1A E9 3D 27 2E A5 DC   18 37 72 36 02 EC 54 98  ...='....7r6..T.
CONNECTION KEYGEN:
Client Nonce:
0000: 5F 37 D9 C2 BD 34 43 7E   AF 6F 03 04 96 2C 63 CE  _7...4C..o...,c.
0010: B3 11 D0 58 10 B2 3C 78   E6 8A 7B 4E E3 03 FA 7F  ...X..<x...N....
Server Nonce:
0000: 8E BC 68 EE 18 B4 42 FA   4E 27 17 2B B9 42 3E A8  ..h...B.N'.+.B>.
0010: BB 31 80 35 C1 7A 83 B3   44 4F 57 4E 47 52 44 01  .1.5.z..DOWNGRD.
Master Secret:
0000: 32 F6 E3 7E BC 84 D1 2E   15 8F 8C EB 48 DC F1 09  2...........H...
0010: A5 BB 43 EA F5 96 06 57   8E 3B 94 9B 61 A0 A3 88  ..C....W.;..a...
0020: B5 28 45 8C F2 D9 B3 B1   A6 99 49 95 1D D0 AB FE  .(E.......I.....
... no MAC keys used for this cipher
Client write key:
0000: E8 BC 4E FC 36 47 F6 0A   C8 59 18 C2 6B 21 02 46  ..N.6G...Y..k!.F
Server write key:
0000: 74 C0 13 2A FA 47 9E 92   B3 10 3E 44 8E D4 EA 6E  t..*.G....>D...n
Client write IV:
0000: 30 66 E6 DC                                        0f..
Server write IV:
0000: 26 21 4D F6                                        &!M.
http-nio-8080-exec-2,WRITE: TLSv1.2 Change Cipher Spec,length = 1
*** Finished
verify_data:  { 113,74,102,42,210,89,19,236,155,215 }
***
Padded plaintext before ENCRYPTION:  len = 16
0000: 14 00 00 0C 71 4A 66 2A   D2 59 09 13 EC 9B 07 D7  ....qJf*.Y......
http-nio-8080-exec-2,length = 40
http-nio-8080-exec-2,handling exception: java.net.SocketTimeoutException: Read timed out
org.apache.http.conn.ConnectTimeoutException: Connect to api.eu.mailjet.com:443 [api.eu.mailjet.com/35.187.79.8] failed: Read timed out
    at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
    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.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
    at com.walmart.services.hermes.connectors.mailjet.config.TestController.run2(TestController.java:95)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:888)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:93)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    at java.net.SocketInputStream.read(SocketInputStream.java:170)
    at java.net.SocketInputStream.read(SocketInputStream.java:141)
    at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
    at sun.security.ssl.InputRecord.read(InputRecord.java:503)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1375)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
    at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
    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.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
    ... 65 more

解决方法

如果相同的代码正在同一台计算机上运行的其他应用程序中运行，并且该代码也通过端口443连接到api.eu.mailjet.com，则它不会成为防火墙的问题。请在两个应用程序上比较连接超时值，然后通过增加超时值重试。

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