我正在尝试jenkins中的黄瓜松弛通知器插件作为后期构建选项但在发布报告时发生此错误

java.net.ConnectException: Connection timed out (Connection timed out)
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:589)
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
    at sun.security.ssl.SSLSocketImpl.<init>(SSLSocketImpl.java:477)
    at sun.security.ssl.SSLSocketFactoryImpl.createSocket(SSLSocketFactoryImpl.java:153)
    at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:109)
    at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:156)
    at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:714)
    at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:394)
    at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:178)
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:404)
    at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:330)
    at org.jenkinsci.plugins.slacknotifier.SlackClient.postToSlack(SlackClient.java:60)

Caused: java.lang.RuntimeException: Message could not be posted
    at org.jenkinsci.plugins.slacknotifier.SlackClient.postToSlack(SlackClient.java:65)
    at org.jenkinsci.plugins.slacknotifier.SlackClient.postToSlack(SlackClient.java:54)
    at org.jenkinsci.plugins.slacknotifier.SlackClient.postToSlack(SlackClient.java:41)
    at org.jenkinsci.plugins.slacknotifier.CucumberSlackService.sendCucumberReportToSlack(CucumberSlackService.java:33)
    at org.jenkinsci.plugins.slacknotifier.CucumberSlackPostBuildNotifier.perform(CucumberSlackPostBuildNotifier.java:67)
    at hudson.tasks.BuildStepMonitor$2.perform(BuildStepMonitor.java:32)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
    at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
    at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1073)
    at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
    at hudson.model.Run.execute(Run.java:1749)
    at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543)
    at hudson.model.ResourceController.execute(ResourceController.java:97)
    at hudson.model.Executor.run(Executor.java:429)

Build step 'Send Cucumber Report to Slack' marked build as failure
jenkins cucumber slack