我有几个Jenkins作业，但全部都失败，并出现以下相同错误，并且没有更多信息。 我检查了一些错误线程，但找不到任何东西
Started by user Kadamb
java.lang.IllegalStateException: closed
at okio.RealBufferedSink.writeUtf8(RealBufferedSink.java:56)
at com.squareup.okhttp.internal.DiskLruCache.get(DiskLruCache.java:433)
at com.squareup.okhttp.Cache.get(Cache.java:184)
at com.squareup.okhttp.Cache$1.get(Cache.java:139)
at com.squareup.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:207)
at com.squareup.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:450)
at com.squareup.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:399)
at com.squareup.okhttp.internal.huc.HttpURLConnectionImpl.getHeaders(HttpURLConnectionImpl.java:155)
at com.squareup.okhttp.internal.huc.HttpURLConnectionImpl.getHeaderField(HttpURLConnectionImpl.java:199)
at com.squareup.okhttp.internal.huc.DelegatingHttpsURLConnection.getHeaderField(DelegatingHttpsURLConnection.java:190)
at com.squareup.okhttp.internal.huc.HttpsURLConnectionImpl.getHeaderField(HttpsURLConnectionImpl.java:25)
at org.kohsuke.github.Requester.noteRateLimit(Requester.java:350)
at org.kohsuke.github.Requester._to(Requester.java:300)
at org.kohsuke.github.Requester.to(Requester.java:239)
at org.kohsuke.github.GitHub.checkApiUrlValidity(GitHub.java:734)
at org.jenkinsci.plugins.github_branch_source.Connector.checkApiUrlValidity(Connector.java:324)
at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.checkApiUrlValidity(GitHubSCMSource.java:1380)
at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.retrieve(GitHubSCMSource.java:1433)
at jenkins.scm.api.SCMSource.fetch(SCMSource.java:583)
at org.jenkinsci.plugins.workflow.multibranch.SCMBinder.create(SCMBinder.java:95)
at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:303)
at hudson.model.ResourceController.execute(ResourceController.java:97)
at hudson.model.Executor.run(Executor.java:429)
Finished: FAILURE
可能是什么原因造成的？有人知道吗？
我是Jenkins的新手，任何帮助将不胜感激
修改：
在精疲力尽地寻找解决方案之后，我刚刚重新启动了Jenkins服务器，它解决了问题。