Ray Mattingly created HBASE-29186:
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Summary: RegionPlanConditionals can produce a null pointer
Key: HBASE-29186
URL: https://issues.apache.org/jira/browse/HBASE-29186
Project: HBase
Issue Type: Bug
Affects Versions: 2.7.0
Reporter: Ray Mattingly
Assignee: Ray Mattingly
{noformat}
hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9 hmaster java.lang.NullPointerException:
Cannot read the array length because "array" is
nullhmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9 hmaster at
java.util.Arrays.stream(Arrays.java:5559)
~[?:?]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9 hmaster at
org.apache.hadoop.hbase.master.balancer.RegionPlanConditional.isViolating(RegionPlanConditional.java:103)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9
hmaster at
org.apache.hadoop.hbase.master.balancer.BalancerConditionals.isViolating(BalancerConditionals.java:179)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9
hmaster at
org.apache.hadoop.hbase.master.balancer.BalancerConditionals.isViolating(BalancerConditionals.java:170)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9
hmaster at
org.apache.hadoop.hbase.master.balancer.TableIsolationCandidateGenerator.generateCandidate(TableIsolationCandidateGenerator.java:87)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9
hmaster at
org.apache.hadoop.hbase.master.balancer.RegionPlanConditionalCandidateGenerator.getWeight(RegionPlanConditionalCandidateGenerator.java:104)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]hmaster-ajax-hb2-a-1-7b67bf7df4-hfmb9
hmaster at
org.apache.hadoop.hbase.master.balancer.BalancerConditionals.lambda$shouldRunBalancer$0(BalancerConditionals.java:86)
~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]{noformat}
The value of this lookup can be null, and we can't pass a null value to
Arrays#stream.
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