GitHub user mizeng opened a pull request:
https://github.com/apache/incubator-eagle/pull/498
EAGLE-614: NPE in DynamicPolicyLoader
Find exception as below:
INFO [2016-10-13 01:15:02,965]
org.apache.eagle.alert.coordinator.trigger.DynamicPolicyLoader: policies loader
start.
INFO [2016-10-13 01:15:02,966]
org.apache.eagle.alert.service.MetadataServiceClientImpl: query URL
http://localhost:8080/rest/metadata/policies
ERROR [2016-10-13 01:15:02,972]
org.apache.eagle.alert.coordinator.trigger.DynamicPolicyLoader: error loading
policy, but continue to run
! java.lang.NullPointerException: null
! at
org.apache.eagle.alert.engine.coordinator.PolicyDefinition.equals(PolicyDefinition.java:150)
~[alert-service-0.5.0-incubating-SNAPSHOT-shaded.jar
:0.5.0-incubating-SNAPSHOT]
! at
org.apache.eagle.alert.coordinator.trigger.DynamicPolicyLoader.run(DynamicPolicyLoader.java:69)
~[alert-service-0.5.0-incubating-SNAPSHOT-shaded.
jar:0.5.0-incubating-SNAPSHOT]
! at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[na:1.8.0_102]
! at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
[na:1.8.0_102]
! at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
[na:1.8.0_102]
! at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
[na:1.8.0_102]
! at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_102]
! at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_102]
! at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
we have compare null with other object which should be avoided.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mizeng/incubator-eagle EAGLE-614
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-eagle/pull/498.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #498
commit abe54782c2dbd840864f02bc57ea1659ec6672bc
Author: mizeng
Date: 2016-10-13T01:41:15Z
EAGLE-614: NPE in DynamicPolicyLoader
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