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Type: Bug
Resolution: Fixed
Priority: Major
Component/s: github-api-plugin, github-branch-source-plugin, github-plugin
Labels:
- java-ibm
- triaged-2018-11
Environment:

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Jenkins 2.89.3 running on IBM z13 Mainframe using IBM JDK 8
java.runtime.name Java(TM) SE Runtime Environment
java.runtime.version 8.0.5.7 - pxz6480sr5fp7-20171216_01(SR5 FP7)
java.version 1.8.0_151
java.vm.info JRE 1.8.0 Linux s390x-64 Compressed References 20171215_373586 (JIT enabled, AOT enabled)>OpenJ9 - 5aa401f>OMR - 101e793>IBM - b4a79bf

GitHub Branch Source Plugin - 2.3.2

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Jenkins 2.89.3 running on IBM z13 Mainframe using IBM JDK 8 java.runtime.name Java(TM) SE Runtime Environment java.runtime.version 8.0.5.7 - pxz6480sr5fp7-20171216_01(SR5 FP7) java.version 1.8.0_151 java.vm.info JRE 1.8.0 Linux s390x-64 Compressed References 20171215_373586 (JIT enabled, AOT enabled)>OpenJ9 - 5aa401f>OMR - 101e793>IBM - b4a79bf GitHub Branch Source Plugin - 2.3.2

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Epic Link:
Docker images for IBM s390x
Released As:
https://github.com/jenkinsci/github-branch-source-plugin/releases/tag/github-branch-source-2.8.2

Running on IBM z13 mainframe, after installing IBM JDK 8, I am unable to pull the branch source from GitHub. This is really a critical/major problem, since the only other JDK for the z13 would be OpenJDK, which uses Zero VM (interpreted mode only), so performance is terrible, so bad in fact that the machine runs at 200-300%, and cannot keeps up with long running jobs on the agents.

// code placeholderjava.net.UnknownServiceException: Unable to find acceptable protocols. isFallback=false, modes=[ConnectionSpec(cipherSuites=[TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA], tlsVersions=[TLS_1_2, TLS_1_1, TLS_1_0], supportsTlsExtensions=true), ConnectionSpec(cipherSuites=[TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_3DES_EDE_CBC_SHA], tlsVersions=[TLS_1_0], supportsTlsExtensions=true), ConnectionSpec()], supported protocols=[TLSv1]
	at com.squareup.okhttp.internal.ConnectionSpecSelector.configureSecureSocket(ConnectionSpecSelector.java:73)
	at com.squareup.okhttp.internal.io.RealConnection.connectTls(RealConnection.java:185)
	at com.squareup.okhttp.internal.io.RealConnection.connectSocket(RealConnection.java:149)
	at com.squareup.okhttp.internal.io.RealConnection.connect(RealConnection.java:112)
	at com.squareup.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:184)
	at com.squareup.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:126)
	at com.squareup.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:95)
	at com.squareup.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:281)
	at com.squareup.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:224)
	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.getResponseCode(HttpURLConnectionImpl.java:527)
	at com.squareup.okhttp.internal.huc.DelegatingHttpsURLConnection.getResponseCode(DelegatingHttpsURLConnection.java:105)
	at com.squareup.okhttp.internal.huc.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:25)
	at org.kohsuke.github.Requester.parse(Requester.java:602)
Caused: org.kohsuke.github.HttpException: Server returned HTTP response code: -1, message: 'null' for URL: https://github.ibm.com/api/v3/
	at org.kohsuke.github.Requester.parse(Requester.java:633)
	at org.kohsuke.github.Requester.parse(Requester.java:594)
	at org.kohsuke.github.Requester._to(Requester.java:272)
	at org.kohsuke.github.Requester.to(Requester.java:234)
	at org.kohsuke.github.GitHub.checkApiUrlValidity(GitHub.java:703)
	at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.checkApiUrlValidity(GitHubSCMSource.java:1291)
Caused: java.io.IOException: It seems https://github.ibm.com/api/v3 is unreachable
	at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.checkApiUrlValidity(GitHubSCMSource.java:1294)
	at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.retrieve(GitHubSCMSource.java:1151)
	at jenkins.scm.api.SCMSource.fetch(SCMSource.java:598)
	at org.jenkinsci.plugins.workflow.libs.SCMSourceRetriever.retrieve(SCMSourceRetriever.java:80)
	at org.jenkinsci.plugins.workflow.libs.LibraryAdder.retrieve(LibraryAdder.java:153)
	at org.jenkinsci.plugins.workflow.libs.LibraryAdder.add(LibraryAdder.java:134)
	at org.jenkinsci.plugins.workflow.libs.LibraryDecorator$1.call(LibraryDecorator.java:125)
	at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1065)
	at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:603)
	at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:581)
	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:558)
	at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:298)
	at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:268)
	at groovy.lang.GroovyShell.parseClass(GroovyShell.java:688)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:700)
	at org.jenkinsci.plugins.workflow.cps.CpsGroovyShell.doParse(CpsGroovyShell.java:129)
	at org.jenkinsci.plugins.workflow.cps.CpsGroovyShell.reparse(CpsGroovyShell.java:123)
	at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.parseScript(CpsFlowExecution.java:517)
	at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.start(CpsFlowExecution.java:480)
	at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:268)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:421)
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
WorkflowScript: Loading libraries failed

1 error

	at org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:310)
	at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1085)
	at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:603)
	at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:581)
	at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:558)
	at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:298)
	at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:268)
	at groovy.lang.GroovyShell.parseClass(GroovyShell.java:688)
	at groovy.lang.GroovyShell.parse(GroovyShell.java:700)
	at org.jenkinsci.plugins.workflow.cps.CpsGroovyShell.doParse(CpsGroovyShell.java:129)
	at org.jenkinsci.plugins.workflow.cps.CpsGroovyShell.reparse(CpsGroovyShell.java:123)
	at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.parseScript(CpsFlowExecution.java:517)
	at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.start(CpsFlowExecution.java:480)
	at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:268)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:421)

It looks like this issue: https://github.com/watson-developer-cloud/java-sdk/issues/603 Where the a fix may have gone into okhttp.. The issue seems quite old, but it seems the problem lies in that area.

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