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Bug
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Resolution: Unresolved
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Major
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None
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CentOS release 5.9
Jenkins version 2.7.1
I have a jenkins job that triggers a job on a remote server(another jenkins instance), but the job fails with this error on the console
Remote Jenkins server returned empty response or invalid JSON - but we can still proceed with the remote build. Triggering this remote job: <job-name> Not checking if the remote job <job-name> is building. Remote Jenkins server returned empty response or invalid JSON - but we can still proceed with the remote build. ERROR: Remote build failed for the following reason, but the build will continue: ERROR : Got a blank response from Remote Jenkins Server [ http://jenkins-instance.org.com ], cannot continue. ERROR : Build step failed with exception java.lang.NullPointerException Build step 'Trigger a remote parameterized job' marked build as failure [BFA] Scanning build for known causes... [BFA] No failure causes found [BFA] Done. 0s Finished: FAILURE
[JENKINS-53813] Jenkins parameterized remote trigger plugin shows null pointer exception
Priyanka Panda
added a comment - Done.
Also in the remote server config it shows, "
Address looks good, but a connection could not be stablished."
But i can access the same URL through my browser
Priyanka Panda
added a comment - Done.
Also in the remote server config it shows, "
Address looks good, but a connection could not be stablished."
But i can access the same URL through my browser
curl from my host server connects me to the remote server without any error for https://jenkins-instance.org.com link
on the other hand http throws this error
<html>
<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx/1.12.2</center>
</body>
</html>
Priyanka Panda
added a comment - - edited curl from my host server connects me to the remote server without any error for https://jenkins-instance.org.com link
on the other hand http throws this error
<html>
<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx/1.12.2</center>
</body>
</html> something wrong with your proxy sever setting IMO,
generally speaking, curl a Jenkins main page should return 200 or maybe either 403 or 401 if any security settings were configured, even with a proxy server.
for example,
[xxx@xxx logs]$curl -I http://myjks/01/
HTTP/1.1 200 OK
Date: Fri, 28 Sep 2018 05:42:58 GMT
X-Content-Type-Options: nosniff
Set-Cookie: ACEGI_SECURITY_HASHED_REMEMBER_ME_COOKIE=;Path=/hcswcis01;Expires=Thu, 01-Jan-1970 00:00:00 GMT;Max-Age=0;HttpOnly
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-cache,no-store,must-revalidate
X-Hudson-Theme: default
Referrer-Policy: same-origin
Content-Type: text/html;charset=utf-8
Set-Cookie: JSESSIONID.e5d5b7ea=node03kmibbixqi02uz1r64zya6ij94.node0;Path=/hcswcis01;HttpOnly
X-Hudson: 1.395
X-Jenkins: 2.138.1
X-Jenkins-Session: cf840d79
X-Hudson-CLI-Port: 32001
X-Jenkins-CLI-Port: 32001
X-Jenkins-CLI2-Port: 32001
X-Frame-Options: sameorigin
X-Instance-Identity: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiMbiAi3UyrabxZdP/7qzD9bg7bb8ti72ME7F/5Xw41yEw186+f7uXB8mF80WXY+9NodgZd6jkTw2nKjiDM/qArOOVnYoEDYFqworqIHEhX7UAA6BKydlAl33Z9FF6WLx2O6mtXTXxfwF/M3/mDa9bgKfrL6rINXpuDyDw5kzj3owF+epNEQyrNDGF8ait36Re+rN6Wae1qWS8cyWZstYfdkar2dP9m5X/HhA9oprnuz1q69QZQGRpaHvu6P6+5AjsNSFJVC9djfEFSOMrgqkAOwFYCUewyCEuFUsN1fWW0azS6QfFH/TsngwgnLbFLaj+NfzU8n7OT2M6ip8+X/sZwIDAQAB
Content-Length: 26762
Server: Jetty(9.4.z-SNAPSHOT)
I don't think this is a bug.
Priyanka Panda
added a comment - the remote server URL that i have in my jenkins configuration gives this o/p
-bash-3.2$ curl -I -k "https://jenkins_instance.org.com"
HTTP/1.1 200 OK
Date: Fri, 28 Sep 2018 06:28:28 GMT
Content-Type: text/html;charset=utf-8
Connection: keep-alive
X-Content-Type-Options: nosniff
but on the configuration page, it throws the error that i have mentioned above.
Address looks good, but a connection could not be stablished."
Priyanka Panda
added a comment - the remote server URL that i have in my jenkins configuration gives this o/p
-bash-3.2$ curl -I -k "https://jenkins_instance.org.com"
HTTP/1.1 200 OK
Date: Fri, 28 Sep 2018 06:28:28 GMT
Content-Type: text/html;charset=utf-8
Connection: keep-alive
X-Content-Type-Options: nosniff
but on the configuration page, it throws the error that i have mentioned above.
Address looks good, but a connection could not be stablished."
I don't think I can reproduce your environmental issues... even though I really want to help you.
Tobias Honacker
added a comment -
i have the same issue
2019-08-29 13:34:48.988+0000 [id=1459566] WARNING o.j.p.P.utils.HttpHelper#sendHTTPCall: Server returned HTTP response code: 5 00 for URL: https://jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch//buildWithParameters?delay=0 - [HTTP/1.1 500 Server Error] java.io.IOException: Server returned HTTP response code: 500 for URL: https://mjenkins.c.eu-de-1.cloud/job/MLF-Deploym ent/job/deploy.from.branch//buildWithParameters?delay=0 at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1900) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498) at sun.net.www.protocol.http.HttpURLConnection.getHeaderFields(HttpURLConnection.java:3080) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getHeaderFields(HttpsURLConnectionImpl.java:297) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:490) Caused: java.io.IOException: Server returned HTTP response code: 500 for URL: https://jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch//buildWithParameters?delay=0 at sun.reflect.GeneratedConstructorAccessor3544.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1950) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1945) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1944) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1514) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.readInputStream(HttpHelper.java:195) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:507) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.tryCall(HttpHelper.java:596) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.tryPost(HttpHelper.java:611) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.RemoteBuildConfiguration.performTriggerAndGetQueueId(RemoteBuildConfiguration.java:658) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.pipeline.RemoteBuildPipelineStep$Execution.run(RemoteBuildPipelineStep.java:273) at org.jenkinsci.plugins.ParameterizedRemoteTrigger.pipeline.RemoteBuildPipelineStep$Execution.run(RemoteBuildPipelineStep.java:249) at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
steps {
script {
triggerRemoteJob abortTriggeredJob: true, auth: TokenAuth(apiToken: '****', userName: 'admin'), enhancedLogging: true, job: 'https://jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch', maxConn: 1, parameters: '''GIT_REF=${params.stagingGitRef}
environment=${env.terraformEnvironment}
deployment=devbdp_deployment
taintServiceKeys=false
modelDeployment=false
runTests=${env.integrationTestsOnCF}
timeout_integration=${env.integrationTestsTimeout}
applyTerraform=${env.DeployToCF}''', pollInterval: 60, shouldNotFailBuild: true, useCrumbCache: true, useJobInfoCache: true
}
}
[Pipeline] triggerRemoteJob 15:44:37 ################################################################################################################ 15:44:37 Parameterized Remote Trigger Configuration: 15:44:37 - job: https://jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch 15:44:37 - auth: 'Token Authentication' as user 'admin' 15:44:37 - parameters: [GIT_REF=${params.stagingGitRef}, environment=${env.terraformEnvironment}, deployment=devbdp_deployment, taintServiceKeys=false, modelDeployment=false, runTests=${env.integrationTestsOnCF}, timeout_integration=${env.integrationTestsTimeout}, applyTerraform=${env.DeployToCF}] 15:44:37 - blockBuildUntilComplete: true 15:44:37 - connectionRetryLimit: 5 15:44:37 - trustAllCertificates: false 15:44:37 ################################################################################################################ [Pipeline] sh 15:44:37 Connection to remote server failed [500], waiting to retry - 60 seconds until next attempt. URL: https://jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch/api/json, parameters: [Pipeline] sh
i tried nearly everything but nothing worked out for me. I followed the documentation here https://github.com/jenkinsci/parameterized-remote-trigger-plugin/blob/master/README.md
Tobias Honacker
added a comment - cashlalala
i have the same issue
2019-08-29 13:34:48.988+0000 [id=1459566] WARNING o.j.p.P.utils.HttpHelper#sendHTTPCall: Server returned HTTP response code: 5
00 for URL: https: //jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch//buildWithParameters?delay=0 -
[HTTP/1.1 500 Server Error]
java.io.IOException: Server returned HTTP response code: 500 for URL: https: //mjenkins.c.eu-de-1.cloud/job/MLF-Deploym
ent/job/deploy.from.branch //buildWithParameters?delay=0
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1900)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderFields(HttpURLConnection.java:3080)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getHeaderFields(HttpsURLConnectionImpl.java:297)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:490)
Caused: java.io.IOException: Server returned HTTP response code: 500 for URL: https: //jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch//buildWithParameters?delay=0
at sun.reflect.GeneratedConstructorAccessor3544.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1950)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1945)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1944)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1514)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.readInputStream(HttpHelper.java:195)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:507)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.tryCall(HttpHelper.java:596)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.tryPost(HttpHelper.java:611)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.RemoteBuildConfiguration.performTriggerAndGetQueueId(RemoteBuildConfiguration.java:658)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.pipeline.RemoteBuildPipelineStep$Execution.run(RemoteBuildPipelineStep.java:273)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.pipeline.RemoteBuildPipelineStep$Execution.run(RemoteBuildPipelineStep.java:249)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang. Thread .run( Thread .java:748)
steps {
script {
triggerRemoteJob abortTriggeredJob: true , auth: TokenAuth(apiToken: '****' , userName: 'admin' ), enhancedLogging: true , job: 'https: //jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch' , maxConn: 1, parameters: '''GIT_REF=${params.stagingGitRef}
environment=${env.terraformEnvironment}
deployment=devbdp_deployment
taintServiceKeys= false
modelDeployment= false
runTests=${env.integrationTestsOnCF}
timeout_integration=${env.integrationTestsTimeout}
applyTerraform=${env.DeployToCF}''', pollInterval: 60, shouldNotFailBuild: true , useCrumbCache: true , useJobInfoCache: true
}
}
[Pipeline] triggerRemoteJob
15:44:37 ################################################################################################################
15:44:37 Parameterized Remote Trigger Configuration:
15:44:37 - job: https: //jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch
15:44:37 - auth: 'Token Authentication' as user 'admin'
15:44:37 - parameters: [GIT_REF=${params.stagingGitRef}, environment=${env.terraformEnvironment}, deployment=devbdp_deployment, taintServiceKeys= false , modelDeployment= false , runTests=${env.integrationTestsOnCF}, timeout_integration=${env.integrationTestsTimeout}, applyTerraform=${env.DeployToCF}]
15:44:37 - blockBuildUntilComplete: true
15:44:37 - connectionRetryLimit: 5
15:44:37 - trustAllCertificates: false
15:44:37 ################################################################################################################
[Pipeline] sh
15:44:37 Connection to remote server failed [500], waiting to retry - 60 seconds until next attempt. URL: https: //jenkins.c.eu-de-1.cloud/job/MLF-Deployment/job/deploy.from.branch/api/json, parameters:
[Pipeline] sh
i tried nearly everything but nothing worked out for me. I followed the documentation here https://github.com/jenkinsci/parameterized-remote-trigger-plugin/blob/master/README.md 
Update: updating the parameterized remote trigger plugin fixed the issue, but there is a different error now
fail to accquire lock because of timeout, skip locking...
Connection to remote server failed , waiting for to retry - 10 seconds until next attempt. URL: https://jenkins.org.com/job/job_name/api/json, parameters:
Retry attempt #1 out of 5
Connection to remote server failed , waiting for to retry - 10 seconds until next attempt. URL: https://jenkins.org.com/job/job_name/api/json, parameters, parameters:
Retry attempt #2 out of 5
Connection to remote server failed , waiting for to retry - 10 seconds until next attempt. URL: https://jenkins.org.com/job/job_name/api/json, parameters, parameters:
Retry attempt #3 out of 5
Connection to remote server failed , waiting for to retry - 10 seconds until next attempt. URL: https://jenkins.org.com/job/job_name/api/json, parameters, parameters:
Retry attempt #4 out of 5
Connection to remote server failed , waiting for to retry - 10 seconds until next attempt. URL: https://jenkins.org.com/job/job_name/api/json, parameters, parameters:
Retry attempt #5 out of 5
FATAL: Max number of connection retries have been exeeded.
org.jenkinsci.plugins.ParameterizedRemoteTrigger.exceptions.ExceedRetryLimitException: Max number of connection retries have been exeeded.
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:526)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:521)
at org.jenkinsci.plugins.ParameterizedRemoteTrigger.utils.HttpHelper.sendHTTPCall(HttpHelper.java:521)