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  1. ,
    Expert tip

    Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

  2. ,
    Expert tip

    Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

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via Oracle Community by Nelash Jindal, 1 year ago
via YouTrack by Unknown author, 2 years ago
Connection timed out: connect
via Stack Overflow by user3557260
, 2 years ago
via Google Groups by popofish.chen, 1 year ago
java.net.ConnectException: Connection timed out: connect	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)	at java.net.Socket.connect(Socket.java:529)	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:559)	at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:141)	at sun.net.NetworkClient.doConnect(NetworkClient.java:163)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)	at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:272)	at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:329)	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:172)	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911)	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:158)	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1172)	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)	at com.fatwire.cos.sso.external.dispatcher.ExternalInfrastructureImpl.getURLContent(ExternalInfrastructureImpl.java:165)	at com.fatwire.cos.sso.external.dispatcher.facebook.ShareProcessor.getAccessToken(ShareProcessor.java:112)	at com.fatwire.cos.sso.external.dispatcher.facebook.ShareProcessor.processRequest(ShareProcessor.java:56)	at com.fatwire.cos.sso.external.dispatcher.ExternalAuthenticatorImpl.authenticate(ExternalAuthenticatorImpl.java:43)	at com.fatwire.cos.sso.external.dispatcher.ExternalAuthDispatcher.processAuthenticationRequest(ExternalAuthDispatcher.java:70)	at com.fatwire.cos.sso.external.dispatcher.supportservlet.ExternalAuthDispatcherServlet.doGet(ExternalAuthDispatcherServlet.java:38)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)	at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)	at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)	at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:168)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.cos.comments.service.filters.RestFilter.doFilter(RestFilter.java:141)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.cos.core.i18n.ResourceFilter.doFilter(ResourceFilter.java:45)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.cos.core.sso.SSOContextFilter.doFilter(SSOContextFilter.java:64)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.wem.sso.cas.filter.CASFilter.doFilter(CASFilter.java:509)	at com.fatwire.wem.sso.SSOFilter.doFilter(SSOFilter.java:51)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.cos.core.sso.GeneralPreparationsFilter.doFilter(GeneralPreparationsFilter.java:68)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.fatwire.cos.core.util.web.StartupGuardFilter.doFilter(StartupGuardFilter.java:42)	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)	at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)	at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:662)