Created attachment 1340547 [details]
hawkular metrics pod log

Description of problem:
This defect is found when testing https://bugzilla.redhat.com/show_bug.cgi?id=1500471
/etc/origin/master/ca-bundle.crt file, after add spaces to the end of "-----BEGIN CERTIFICATE-----" and restart server and deploy metrics 3.6.
hawkular-metrics pod throws out java.io.IOException continuously, details please see the attached file.

Although this exception, it does not affect metrics' function, metrics sanity testing passed
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 [org.openshift.ping.common.stream.TokenStreamProvider] (thread-2,ee,hawkular-metrics-n15zd) Could not create trust manager for /var/run/secrets/kubernetes.io/serviceaccount/ca.crt: java.security.cert.CertificateException: Could not parse certificate: java.io.IOException: Illegal header: -----BEGIN CERTIFICATE-----  
	at sun.security.provider.X509Factory.engineGenerateCertificate(X509Factory.java:110)
	at java.security.cert.CertificateFactory.generateCertificate(CertificateFactory.java:339)
	at org.openshift.ping.common.stream.TokenStreamProvider.configureCaCert(TokenStreamProvider.java:73)
	at org.openshift.ping.common.stream.TokenStreamProvider.getSSLSocketFactory(TokenStreamProvider.java:106)
	at org.openshift.ping.common.stream.TokenStreamProvider.openStream(TokenStreamProvider.java:49)
	at org.openshift.ping.common.stream.OpenStream.call(OpenStream.java:25)
	at org.openshift.ping.common.stream.OpenStream.call(OpenStream.java:7)
	at org.openshift.ping.common.Utils.execute(Utils.java:210)
	at org.openshift.ping.common.Utils.openStream(Utils.java:50)
	at org.openshift.ping.kube.Client.getNode(Client.java:84)
	at org.openshift.ping.kube.Client.getPods(Client.java:90)
	at org.openshift.ping.kube.KubePing.doReadAll(KubePing.java:196)
	at org.openshift.ping.common.OpenshiftPing.readAll(OpenshiftPing.java:249)
	at org.openshift.ping.common.OpenshiftPing.sendMcastDiscoveryRequest(OpenshiftPing.java:201)
	at org.jgroups.protocols.PING.sendDiscoveryRequest(PING.java:62)
	at org.jgroups.protocols.PING.findMembers(PING.java:32)
	at org.jgroups.protocols.Discovery.findMembers(Discovery.java:244)
	at org.jgroups.protocols.Discovery.down(Discovery.java:388)
	at org.openshift.ping.common.OpenshiftPing.down(OpenshiftPing.java:196)
	at org.jgroups.protocols.MERGE3$InfoSender.run(MERGE3.java:381)
	at org.jgroups.util.TimeScheduler3$Task.run(TimeScheduler3.java:291)
	at org.jgroups.util.TimeScheduler3$RecurringTask.run(TimeScheduler3.java:325)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.jboss.as.clustering.jgroups.ClassLoaderThreadFactory.lambda$newThread$0(ClassLoaderThreadFactory.java:52)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Illegal header: -----BEGIN CERTIFICATE-----  
	at sun.security.provider.X509Factory.checkHeaderFooter(X509Factory.java:646)
	at sun.security.provider.X509Factory.readOneBlock(X509Factory.java:636)
	at sun.security.provider.X509Factory.engineGenerateCertificate(X509Factory.java:96) 
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Version-Release number of selected component (if applicable):
metrics-hawkular-metrics:v3.6.173.0.56-1

# openshift version
openshift v3.6.173.0.56
kubernetes v1.6.1+5115d708d7
etcd 3.2.1

How reproducible:
Always

Steps to Reproduce:
1. Change to "-----BEGIN CERTIFICATE-----  "(two spaces in the end) of /etc/origin/master/ca-bundle.crt.
2. Restart server and deploy metrics 3.6
3.

Actual results:
hawkular-metrics pod throws out java.io.IOException continuously

Expected results:
There should not be exception in hawkular-metrics pod log

Additional info: