[SOLR-14412] NPE in MetricsHistoryHandler when running single node in cloud mode with SSL

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 9.0
• Fix Version/s: 9.0
• Component/s: metrics

Environment

9.0.0-SNAPSHOT, SSL enabled (self-signed certificate), cloud mode.

• Assignee: Mike Drob
• Reporter: Mike Drob
• Created: 17/Apr/20 15:44
• Updated: 12/May/22 00:27
• Resolved: 20/Apr/20 18:06

Description

2020-04-17 15:35:19.335 INFO  (MetricsHistoryHandler-22-thread-1) [   ] o.a.s.c.s.i.SolrClientNodeStateProvider Error on getting remote info, trying again: IOException occurred when talking to server at: http://localhost:8983/solr
2020-04-17 15:35:19.842 INFO  (MetricsHistoryHandler-22-thread-1) [   ] o.a.s.c.s.i.SolrClientNodeStateProvider Error on getting remote info, trying again: IOException occurred when talking to server at: http://localhost:8983/solr
2020-04-17 15:35:20.346 INFO  (MetricsHistoryHandler-22-thread-1) [   ] o.a.s.c.s.i.SolrClientNodeStateProvider Error on getting remote info, trying again: IOException occurred when talking to server at: http://localhost:8983/solr
2020-04-17 15:35:20.851 WARN  (MetricsHistoryHandler-22-thread-1) [   ] o.a.s.c.s.i.SolrClientNodeStateProvider could not get tags from node localhost:8983_solr => java.lang.NullPointerException
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.lambda$fetchReplicaMetrics$7(SolrClientNodeStateProvider.java:226)
java.lang.NullPointerException: null
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.lambda$fetchReplicaMetrics$7(SolrClientNodeStateProvider.java:226) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at java.util.HashMap.forEach(HashMap.java:1336) ~[?:?]
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.fetchReplicaMetrics(SolrClientNodeStateProvider.java:225) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider$AutoScalingSnitch.getRemoteInfo(SolrClientNodeStateProvider.java:271) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.common.cloud.rule.ImplicitSnitch.getTags(ImplicitSnitch.java:75) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.fetchTagValues(SolrClientNodeStateProvider.java:139) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.client.solrj.impl.SolrClientNodeStateProvider.getNodeValues(SolrClientNodeStateProvider.java:128) ~[solr-solrj-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.handler.admin.MetricsHistoryHandler.collectGlobalMetrics(MetricsHistoryHandler.java:506) ~[solr-core-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.handler.admin.MetricsHistoryHandler.collectMetrics(MetricsHistoryHandler.java:378) ~[solr-core-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at org.apache.solr.handler.admin.MetricsHistoryHandler.lambda$new$0(MetricsHistoryHandler.java:235) ~[solr-core-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT 74ecc13816fb6aae6e512e2e9d815459e235a120 - mdrob - 2020-04-17 10:28:44]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) ~[?:?]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?] 

Issue Links

• links to: GitHub Pull Request #2615