Shalin Shekhar Mangar created SOLR-12978:
--------------------------------------------
Summary: Autoscaling Suggester tries to test metrics for dead nodes
Key: SOLR-12978
URL: https://issues.apache.org/jira/browse/SOLR-12978
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: AutoScaling, SolrCloud
Reporter: Shalin Shekhar Mangar
Fix For: 7.6, master (8.0)
Suggester tries to test clauses in the applyRules phase for each row regardless
of whether the row is live or not. When the node is not live and there are no
metrics fetched, testing the clause causes an NPE.
{code}
20586 WARN (AutoscalingActionExecutor-37-thread-1) [ ]
o.a.s.c.a.ScheduledTriggers Exception executing actions
org.apache.solr.cloud.autoscaling.TriggerActionException: Error processing
action for trigger event: {
"id":"21d1e96fd8737T4ighk35ce6gv7f6h5zbndib4n",
"source":"node_lost_trigger",
"eventTime":594967172843319,
"eventType":"NODELOST",
"properties":{
"eventTimes":[594967172843319],
"preferredOperation":"movereplica",
"_enqueue_time_":594968181417909,
"nodeNames":["127.0.0.1:63255_solr"]}}
at
org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$419(ScheduledTriggers.java:311)
[java/:?]
at
org.apache.solr.cloud.autoscaling.ScheduledTriggers$$Lambda$498/1669229711.run(Unknown
Source) [java/:?]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[?:1.8.0_51]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_51]
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$328(ExecutorUtil.java:209)
[java/:?]
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$10/1568754952.run(Unknown
Source) [java/:?]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[?:1.8.0_51]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[?:1.8.0_51]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: org.apache.solr.common.SolrException: Unexpected exception while
processing event: {
"id":"21d1e96fd8737T4ighk35ce6gv7f6h5zbndib4n",
"source":"node_lost_trigger",
"eventTime":594967172843319,
"eventType":"NODELOST",
"properties":{
"eventTimes":[594967172843319],
"preferredOperation":"movereplica",
"_enqueue_time_":594968181417909,
"nodeNames":["127.0.0.1:63255_solr"]}}
at
org.apache.solr.cloud.autoscaling.ComputePlanAction.process(ComputePlanAction.java:160)
~[java/:?]
at
org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$419(ScheduledTriggers.java:308)
~[java/:?]
... 8 more
Caused by: java.lang.NullPointerException
at
org.apache.solr.client.solrj.cloud.autoscaling.RangeVal.match(RangeVal.java:34)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Operand$2.match(Operand.java:43)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Variable.match(Variable.java:46)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Variable$Type.match(Variable.java:358)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Condition.isPass(Condition.java:71)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Condition.isPass(Condition.java:76)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Clause.test(Clause.java:531)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Policy$Session.applyRules(Policy.java:635)
~[java/:?]
at
org.apache.solr.client.solrj.cloud.autoscaling.Suggester.getSuggestion(Suggester.java:185)
~[java/:?]
at
org.apache.solr.cloud.autoscaling.ComputePlanAction.process(ComputePlanAction.java:114)
~[java/:?]
at
org.apache.solr.cloud.autoscaling.ScheduledTriggers.lambda$null$419(ScheduledTriggers.java:308)
~[java/:?]
... 8 more
{code}
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