[jira] [Created] (SOLR-11151) SolrInfoMBeanHandler.getDiff() ADD case non-functional: NPE when a bean value goes from null -> non-null

[Steve Rowe (JIRA)]

Steve Rowe created SOLR-11151:
---------------------------------

             Summary: SolrInfoMBeanHandler.getDiff() ADD case non-functional: 
NPE when a bean value goes from null -> non-null
                 Key: SOLR-11151
                 URL: https://issues.apache.org/jira/browse/SOLR-11151
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Steve Rowe
            Assignee: Steve Rowe
             Fix For: 7.0, master (8.0), 7.1


{{MBeansHandler.testDiff()}} has been failing regularly on Jenkins, e.g. 
[https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/20192/]:

{noformat}
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=MBeansHandlerTest 
-Dtests.method=testDiff -Dtests.seed=CD7B1EB232DD9490 -Dtests.multiplier=3 
-Dtests.slow=true -Dtests.locale=es-PA -Dtests.timezone=Asia/Phnom_Penh 
-Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
   [junit4] ERROR   0.02s J0 | MBeansHandlerTest.testDiff <<<
   [junit4]    > Throwable #1: java.lang.NullPointerException
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CD7B1EB232DD9490:86DDA29226BACF0]:0)
   [junit4]    >        at 
org.apache.solr.handler.admin.SolrInfoMBeanHandler.diffObject(SolrInfoMBeanHandler.java:240)
   [junit4]    >        at 
org.apache.solr.handler.admin.SolrInfoMBeanHandler.diffNamedList(SolrInfoMBeanHandler.java:219)
   [junit4]    >        at 
org.apache.solr.handler.admin.SolrInfoMBeanHandler.getDiff(SolrInfoMBeanHandler.java:187)
   [junit4]    >        at 
org.apache.solr.handler.admin.SolrInfoMBeanHandler.handleRequestBody(SolrInfoMBeanHandler.java:87)
   [junit4]    >        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:177)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.execute(SolrCore.java:2473)
   [junit4]    >        at 
org.apache.solr.util.TestHarness.query(TestHarness.java:337)
   [junit4]    >        at 
org.apache.solr.util.TestHarness.query(TestHarness.java:319)
   [junit4]    >        at 
org.apache.solr.handler.admin.MBeansHandlerTest.testDiff(MBeansHandlerTest.java:57)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]    >        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    >        at 
java.base/java.lang.reflect.Method.invoke(Method.java:564)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:844)
{noformat}



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