Build: https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/19980/
Java: 64bit/jdk-9-ea+175 -XX:+UseCompressedOops -XX:+UseParallelGC 
--illegal-access=deny

5 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.TestSolrCloudWithDelegationTokens

Error Message:
SOLR-10951: Hadoop does not work on Java 9

Stack Trace:
com.carrotsearch.randomizedtesting.InternalAssumptionViolatedException: 
SOLR-10951: Hadoop does not work on Java 9
        at __randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
        at 
com.carrotsearch.randomizedtesting.RandomizedTest.assumeTrue(RandomizedTest.java:675)
        at 
com.carrotsearch.randomizedtesting.RandomizedTest.assumeFalse(RandomizedTest.java:683)
        at 
org.apache.lucene.util.LuceneTestCase.assumeFalse(LuceneTestCase.java:866)
        at 
org.apache.solr.cloud.TestSolrCloudWithDelegationTokens.startup(TestSolrCloudWithDelegationTokens.java:66)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:847)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.TestSolrCloudWithDelegationTokens

Error Message:


Stack Trace:
java.lang.NullPointerException
        at __randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
        at 
org.apache.solr.cloud.TestSolrCloudWithDelegationTokens.shutdown(TestSolrCloudWithDelegationTokens.java:89)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:870)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation

Error Message:


Stack Trace:
java.lang.ExceptionInInitializerError
        at __randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
        at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
        at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:94)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:74)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getUsersFirstGroup(TestSolrCloudWithSecureImpersonation.java:62)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getImpersonatorSettings(TestSolrCloudWithSecureImpersonation.java:88)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.startup(TestSolrCloudWithSecureImpersonation.java:103)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:847)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 1
        at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3116)
        at java.base/java.lang.String.substring(String.java:1885)
        at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
        ... 30 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation

Error Message:
Could not initialize class org.apache.hadoop.util.StringUtils

Stack Trace:
java.lang.NoClassDefFoundError: Could not initialize class 
org.apache.hadoop.util.StringUtils
        at __randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
        at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:94)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:74)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getUsersFirstGroup(TestSolrCloudWithSecureImpersonation.java:62)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getImpersonatorSettings(TestSolrCloudWithSecureImpersonation.java:88)
        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.shutdown(TestSolrCloudWithSecureImpersonation.java:163)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:870)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)


FAILED:  
junit.framework.TestSuite.org.apache.solr.security.hadoop.TestImpersonationWithHadoopAuth

Error Message:


Stack Trace:
java.lang.ExceptionInInitializerError
        at __randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
        at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
        at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:94)
        at org.apache.hadoop.security.Groups.<init>(Groups.java:74)
        at 
org.apache.solr.security.hadoop.ImpersonationUtil.getUsersFirstGroup(ImpersonationUtil.java:39)
        at 
org.apache.solr.security.hadoop.TestImpersonationWithHadoopAuth.setupClass(TestImpersonationWithHadoopAuth.java:72)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:847)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 1
        at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3116)
        at java.base/java.lang.String.substring(String.java:1885)
        at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
        ... 29 more




Build Log:
[...truncated 10897 lines...]
   [junit4] Suite: org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.TestSolrCloudWithSecureImpersonation_8AEF39929ACC1EBC-001/init-core-data-001
   [junit4]   2> 0    INFO  
(SUITE-TestSolrCloudWithSecureImpersonation-seed#[8AEF39929ACC1EBC]-worker) [   
 ] o.a.s.SolrTestCaseJ4 Using TrieFields (NUMERIC_POINTS_SYSPROP=false) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 112  INFO  
(SUITE-TestSolrCloudWithSecureImpersonation-seed#[8AEF39929ACC1EBC]-worker) [   
 ] o.e.j.u.log Logging initialized @2227ms
   [junit4]   2> 126  INFO  
(SUITE-TestSolrCloudWithSecureImpersonation-seed#[8AEF39929ACC1EBC]-worker) [   
 ] o.a.s.SolrTestCaseJ4 Randomized ssl (true) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 778  WARN  
(SUITE-TestSolrCloudWithSecureImpersonation-seed#[8AEF39929ACC1EBC]-worker) [   
 ] o.a.h.u.NativeCodeLoader Unable to load native-hadoop library for your 
platform... using builtin-java classes where applicable
   [junit4]   2> 850  INFO  
(SUITE-TestSolrCloudWithSecureImpersonation-seed#[8AEF39929ACC1EBC]-worker) [   
 ] o.a.s.SolrTestCaseJ4 ------------------------------------------------------- 
Done waiting for tracked resources to be released
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70): {}, 
docValues:{}, maxPointsInLeafNode=1594, maxMBSortInHeap=6.531485443427309, 
sim=RandomSimilarity(queryNorm=true): {}, locale=naq-NA, 
timezone=America/Phoenix
   [junit4]   2> NOTE: Linux 4.10.0-21-generic amd64/Oracle Corporation 9 
(64-bit)/cpus=8,threads=1,free=483758936,total=514850816
   [junit4]   2> NOTE: All tests run in this JVM: 
[TestSolrCloudWithSecureImpersonation]
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=TestSolrCloudWithSecureImpersonation -Dtests.seed=8AEF39929ACC1EBC 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=naq-NA 
-Dtests.timezone=America/Phoenix -Dtests.asserts=true 
-Dtests.file.encoding=ISO-8859-1
   [junit4] ERROR   0.00s J0 | TestSolrCloudWithSecureImpersonation (suite) <<<
   [junit4]    > Throwable #1: java.lang.ExceptionInInitializerError
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
   [junit4]    >        at 
org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:94)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:74)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getUsersFirstGroup(TestSolrCloudWithSecureImpersonation.java:62)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getImpersonatorSettings(TestSolrCloudWithSecureImpersonation.java:88)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.startup(TestSolrCloudWithSecureImpersonation.java:103)
   [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)
   [junit4]    > Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, 
end 3, length 1
   [junit4]    >        at 
java.base/java.lang.String.checkBoundsBeginEnd(String.java:3116)
   [junit4]    >        at 
java.base/java.lang.String.substring(String.java:1885)
   [junit4]    >        at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
   [junit4]    >        ... 30 moreThrowable #2: 
java.lang.NoClassDefFoundError: Could not initialize class 
org.apache.hadoop.util.StringUtils
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:94)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:74)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getUsersFirstGroup(TestSolrCloudWithSecureImpersonation.java:62)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.getImpersonatorSettings(TestSolrCloudWithSecureImpersonation.java:88)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithSecureImpersonation.shutdown(TestSolrCloudWithSecureImpersonation.java:163)
   [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)
   [junit4] Completed [1/723 (1!)] on J0 in 1.82s, 0 tests, 2 errors <<< 
FAILURES!

[...truncated 1831 lines...]
   [junit4] Suite: org.apache.solr.cloud.TestSolrCloudWithDelegationTokens
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.TestSolrCloudWithDelegationTokens_8AEF39929ACC1EBC-001/init-core-data-001
   [junit4]   2> 1437847 WARN  
(SUITE-TestSolrCloudWithDelegationTokens-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=146 numCloses=146
   [junit4]   2> 1437847 INFO  
(SUITE-TestSolrCloudWithDelegationTokens-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1437847 INFO  
(SUITE-TestSolrCloudWithDelegationTokens-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1437848 INFO  
(SUITE-TestSolrCloudWithDelegationTokens-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 ------------------------------------------------------- 
Done waiting for tracked resources to be released
   [junit4]   2> NOTE: test params are: 
codec=DummyCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=DUMMY,
 chunkSize=9, maxDocsPerChunk=9, blockSize=156), 
termVectorsFormat=CompressingTermVectorsFormat(compressionMode=DUMMY, 
chunkSize=9, blockSize=156)), sim=RandomSimilarity(queryNorm=false): {}, 
locale=en-CM, timezone=Asia/Baku
   [junit4]   2> NOTE: Linux 4.10.0-21-generic amd64/Oracle Corporation 9 
(64-bit)/cpus=8,threads=1,free=228397712,total=492830720
   [junit4]   2> NOTE: All tests run in this JVM: 
[TestSolrCloudWithSecureImpersonation, TestJsonRequest, 
PKIAuthenticationIntegrationTest, TestReloadAndDeleteDocs, 
DistributedFacetPivotSmallAdvancedTest, NumericFieldsTest, 
SimpleCollectionCreateDeleteTest, PingRequestHandlerTest, 
SolrCoreMetricManagerTest, CdcrBootstrapTest, TestConfigSetProperties, 
TestRandomCollapseQParserPlugin, TestAnalyzeInfixSuggestions, 
FastVectorHighlighterTest, TestCoreAdminApis, TestDocSet, 
TestDistributedSearch, TestConfigReload, TolerantUpdateProcessorTest, 
TestCrossCoreJoin, TestQuerySenderNoQuery, TestCollectionAPI, 
TestFieldTypeResource, BasicDistributedZkTest, CdcrRequestHandlerTest, 
TestReplicationHandler, SolrMetricsIntegrationTest, TestFunctionQuery, 
AssignTest, TestSizeLimitedDistributedMap, TestDocBasedVersionConstraints, 
CursorMarkTest, HLLSerializationTest, TestCopyFieldCollectionResource, 
TestGraphMLResponseWriter, TestIntervalFaceting, TestFieldCacheVsDocValues, 
SuggesterWFSTTest, TestSolrConfigHandler, TestOnReconnectListenerSupport, 
TestUseDocValuesAsStored2, SecurityConfHandlerTest, MultiThreadedOCPTest, 
PrimitiveFieldTypeTest, SuggestComponentTest, CreateCollectionCleanupTest, 
MigrateRouteKeyTest, TestDocumentBuilder, TestLeaderInitiatedRecoveryThread, 
TestPayloadCheckQParserPlugin, ExitableDirectoryReaderTest, 
SolrIndexSplitterTest, CheckHdfsIndexTest, TestMultiWordSynonyms, 
NotRequiredUniqueKeyTest, AddBlockUpdateTest, TestCloudManagedSchema, 
TestRecoveryHdfs, TestBackupRepositoryFactory, SpellingQueryConverterTest, 
DistribDocExpirationUpdateProcessorTest, SolrXmlInZkTest, 
OverriddenZkACLAndCredentialsProvidersTest, 
PreAnalyzedFieldManagedSchemaCloudTest, TestCollationFieldDocValues, 
HdfsLockFactoryTest, JavabinLoaderTest, HighlighterConfigTest, 
TestSchemaSimilarityResource, ResponseHeaderTest, 
ConfigureRecoveryStrategyTest, TermsComponentTest, TestPerFieldSimilarity, 
IgnoreCommitOptimizeUpdateProcessorFactoryTest, TestStressLiveNodes, 
BlockJoinFacetSimpleTest, TestRawResponseWriter, 
TestPerFieldSimilarityWithDefaultOverride, TestInPlaceUpdatesDistrib, 
TestCustomStream, BasicZkTest, DistributedQueryElevationComponentTest, 
TestSQLHandlerNonCloud, ChaosMonkeySafeLeaderWithPullReplicasTest, 
PreAnalyzedFieldTest, FacetPivotSmallTest, OutputWriterTest, TestLazyCores, 
SampleTest, DocValuesMissingTest, ClassificationUpdateProcessorTest, 
MetricUtilsTest, SolrIndexConfigTest, TestMiniSolrCloudCluster, 
CursorPagingTest, TestSolrCoreSnapshots, 
VMParamsZkACLAndCredentialsProvidersTest, TestAnalyzedSuggestions, 
DeleteShardTest, TestBM25SimilarityFactory, InfoHandlerTest, 
TestIndexingPerformance, HdfsSyncSliceTest, TestGraphTermsQParserPlugin, 
TestCollapseQParserPlugin, LeaderElectionIntegrationTest, TestSchemaManager, 
HdfsChaosMonkeySafeLeaderTest, TestEmbeddedSolrServerConstructors, 
TestCloudPseudoReturnFields, IndexSchemaTest, TestClusterStateMutator, 
TestFieldCollectionResource, QueryElevationComponentTest, 
TestSubQueryTransformerDistrib, TestRandomFaceting, TestFaceting, 
DistributedSpellCheckComponentTest, TestJoin, SpellCheckComponentTest, 
BadIndexSchemaTest, ConvertedLegacyTest, TestSort, TestIndexSearcher, 
ShowFileRequestHandlerTest, TestExtendedDismaxParser, SpellCheckCollatorTest, 
SuggesterFSTTest, SolrRequestParserTest, TestStressLucene, TestCSVLoader, 
PolyFieldTest, WordBreakSolrSpellCheckerTest, TestUpdate, 
FieldMutatingUpdateProcessorTest, QueryEqualityTest, TestRemoteStreaming, 
DebugComponentTest, LukeRequestHandlerTest, TestReversedWildcardFilterFactory, 
TestQueryTypes, XmlUpdateRequestHandlerTest, RequestHandlersTest, 
TestValueSourceCache, TermVectorComponentTest, FieldAnalysisRequestHandlerTest, 
RegexBoostProcessorTest, TestCollationField, TestCSVResponseWriter, 
UniqFieldsUpdateProcessorFactoryTest, BinaryUpdateRequestHandlerTest, 
SOLR749Test, UpdateParamsTest, BadComponentTest, TestStressRecovery, 
MinimalSchemaTest, ExternalFileFieldSortTest, TestPostingsSolrHighlighter, 
DirectSolrConnectionTest, SpellPossibilityIteratorTest, SynonymTokenizerTest, 
TestSweetSpotSimilarityFactory, OpenExchangeRatesOrgProviderTest, 
TestFastLRUCache, PrimUtilsTest, DOMUtilTest, TestSolrJ, TestLRUCache, 
FileUtilsTest, SolrTestCaseJ4Test, TestHighlightDedupGrouping, 
BaseCdcrDistributedZkTest, CdcrReplicationDistributedZkTest, 
CdcrReplicationHandlerTest, CloudExitableDirectoryReaderTest, 
CollectionTooManyReplicasTest, ConcurrentDeleteAndCreateCollectionTest, 
ConfigSetsAPITest, ConnectionManagerTest, DeleteInactiveReplicaTest, 
DistributedVersionInfoTest, LeaderFailureAfterFreshStartTest, NodeMutatorTest, 
OutOfBoxZkACLAndCredentialsProvidersTest, OverseerModifyCollectionTest, 
OverseerRolesTest, ReplaceNodeTest, SharedFSAutoReplicaFailoverUtilsTest, 
TestCloudInspectUtil, TestCloudPivotFacet, TestConfigSetsAPI, 
TestConfigSetsAPIExclusivity, TestConfigSetsAPIZkFailure, 
TestDeleteCollectionOnDownNodes, TestDistribDocBasedVersion, 
TestDownShardTolerantSearch, TestExclusionRuleCollectionAccess, 
TestHdfsCloudBackupRestore, TestLocalFSCloudBackupRestore, 
TestRandomFlRTGCloud, TestRandomRequestDistribution, TestReplicaProperties, 
TestSegmentSorting, TestSolrCloudWithDelegationTokens]
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=TestSolrCloudWithDelegationTokens -Dtests.seed=8AEF39929ACC1EBC 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=en-CM 
-Dtests.timezone=Asia/Baku -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
   [junit4] ERROR   0.00s J0 | TestSolrCloudWithDelegationTokens (suite) <<<
   [junit4]    > Assumption #1: SOLR-10951: Hadoop does not work on Java 
9Throwable #2: java.lang.NullPointerException
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
   [junit4]    >        at 
org.apache.solr.cloud.TestSolrCloudWithDelegationTokens.shutdown(TestSolrCloudWithDelegationTokens.java:89)
   [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)
   [junit4] Completed [542/723 (2!)] on J0 in 0.01s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 444 lines...]
   [junit4] Suite: 
org.apache.solr.security.hadoop.TestImpersonationWithHadoopAuth
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J2/temp/solr.security.hadoop.TestImpersonationWithHadoopAuth_8AEF39929ACC1EBC-001/init-core-data-001
   [junit4]   2> 1659357 INFO  
(SUITE-TestImpersonationWithHadoopAuth-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using PointFields (NUMERIC_POINTS_SYSPROP=true) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1659358 INFO  
(SUITE-TestImpersonationWithHadoopAuth-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (true) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1659382 WARN  
(SUITE-TestImpersonationWithHadoopAuth-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.h.u.NativeCodeLoader Unable to load native-hadoop library for your 
platform... using builtin-java classes where applicable
   [junit4]   2> 1659386 INFO  
(SUITE-TestImpersonationWithHadoopAuth-seed#[8AEF39929ACC1EBC]-worker) [    ] 
o.a.s.SolrTestCaseJ4 ------------------------------------------------------- 
Done waiting for tracked resources to be released
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70): {}, 
docValues:{}, maxPointsInLeafNode=1897, maxMBSortInHeap=5.243589064219261, 
sim=RandomSimilarity(queryNorm=true): {}, locale=dua, timezone=America/Sao_Paulo
   [junit4]   2> NOTE: Linux 4.10.0-21-generic amd64/Oracle Corporation 9 
(64-bit)/cpus=8,threads=1,free=221059328,total=526385152
   [junit4]   2> NOTE: All tests run in this JVM: 
[TriLevelCompositeIdRoutingTest, DistributedSuggestComponentTest, 
TestTolerantSearch, UtilsToolTest, MultiTermTest, StressHdfsTest, 
TestPseudoReturnFields, TestFastOutputStream, CleanupOldIndexTest, 
TestPullReplicaErrorHandling, URLClassifyProcessorTest, TestManagedSchema, 
TestDelegationWithHadoopAuth, TestJmxIntegration, SearchHandlerTest, 
TestCloudDeleteByQuery, TestMiniSolrCloudClusterSSL, TestQueryUtils, RulesTest, 
WrapperMergePolicyFactoryTest, TestSolrIndexConfig, MoreLikeThisHandlerTest, 
TestExactStatsCache, AtomicUpdateProcessorFactoryTest, TestPhraseSuggestions, 
ZkStateWriterTest, TestReload, DistribCursorPagingTest, LeaderElectionTest, 
FullSolrCloudDistribCmdsTest, TestUninvertingReader, DateFieldTest, 
DistributedQueueTest, TestLockTree, TestStressInPlaceUpdates, 
SimpleMLTQParserTest, TestFilteredDocIdSet, SimplePostToolTest, 
AnalyticsQueryTest, OverseerTaskQueueTest, TestDistributedMissingSort, 
TestExpandComponent, TestIBSimilarityFactory, SortByFunctionTest, TestConfig, 
AliasIntegrationTest, TestLegacyFieldCache, DateRangeFieldTest, 
SolrInfoBeanTest, TestNRTOpen, DistributedMLTComponentTest, TestSearcherReuse, 
TestStandardQParsers, DirectUpdateHandlerOptimizeTest, 
TestFileDictionaryLookup, SolrCloudExampleTest, TestTrie, 
TestSubQueryTransformerCrossCore, TestUtils, HdfsNNFailoverTest, 
CoreMergeIndexesAdminHandlerTest, TestSurroundQueryParser, 
LeaderInitiatedRecoveryOnShardRestartTest, TestNonDefinedSimilarityFactory, 
SignatureUpdateProcessorFactoryTest, DirectSolrSpellCheckerTest, 
SuggestComponentContextFilterQueryTest, TestRequestStatusCollectionAPI, 
CollectionStateFormat2Test, ResourceLoaderTest, SimpleFacetsTest, 
TestJettySolrRunner, ResponseLogComponentTest, TestImplicitCoreProperties, 
TestSuggestSpellingConverter, TestFoldingMultitermQuery, ForceLeaderTest, 
TestPartialUpdateDeduplication, FullHLLTest, TestGeoJSONResponseWriter, 
DateMathParserTest, TestSimpleTextCodec, DistanceUnitsTest, 
TestDFRSimilarityFactory, TestLeaderElectionZkExpiry, TestClusterProperties, 
TestSortByMinMaxFunction, ChaosMonkeyNothingIsSafeWithPullReplicasTest, 
XsltUpdateRequestHandlerTest, ManagedSchemaRoundRobinCloudTest, 
TestNumericTokenStream, TestRecovery, TestFieldTypeCollectionResource, 
TestJsonFacets, DocExpirationUpdateProcessorFactoryTest, TestMergePolicyConfig, 
SolrCloudReportersTest, MetricsConfigTest, StatsReloadRaceTest, 
TestSolrQueryParser, ReturnFieldsTest, DistributedFacetPivotWhiteBoxTest, 
TestCodecSupport, DistributedExpandComponentTest, SuggesterTest, 
HdfsDirectoryTest, TestInitQParser, TestMultiValuedNumericRangeQuery, 
TestLegacyFieldReuse, HdfsTlogReplayBufferedWhileIndexingTest, 
BasicDistributedZk2Test, DirectUpdateHandlerTest, TestComponentsName, 
TestClassNameShortening, TestConfigSetImmutable, DeleteReplicaTest, 
TestCloudNestedDocsSort, DirectoryFactoryTest, TestGroupingSearch, 
TestFieldCacheSortRandom, SyncSliceTest, OpenCloseCoreStressTest, 
ShardRoutingTest, ClusterStateUpdateTest, TestRandomDVFaceting, 
TestDistributedGrouping, TestRealTimeGet, TestStressReorder, 
HardAutoCommitTest, TestRangeQuery, SolrCoreTest, PeerSyncTest, 
BasicFunctionalityTest, TestBadConfig, HighlighterTest, SoftAutoCommitTest, 
TestSolrDeletionPolicy2, TestBinaryField, TestSearchPerf, 
TestFuzzyAnalyzedSuggestions, TestSolrCoreProperties, TestLuceneMatchVersion, 
TestXIncludeConfig, TestFastWriter, ScriptEngineTest, PluginInfoTest, 
TestSystemIdResolver, RAMDirectoryFactoryTest, SliceStateTest, UUIDFieldTest, 
CircularListTest, TestRTGBase, TestCursorMarkWithoutUniqueKey, 
ConnectionReuseTest, CollectionsAPIAsyncDistributedZkTest, 
DeleteLastCustomShardedReplicaTest, DistribJoinFromCollectionTest, 
LeaderFailoverAfterPartitionTest, MoveReplicaTest, PeerSyncReplicationTest, 
RemoteQueryErrorTest, ReplicationFactorTest, RestartWhileUpdatingTest, 
RollingRestartTest, TestCloudRecovery, TestPullReplica, TestRebalanceLeaders, 
TestSSLRandomization, TestShortCircuitedRequests, TestSolrCloudWithKerberosAlt, 
TestTolerantUpdateProcessorCloud, TestTolerantUpdateProcessorRandomCloud, 
HdfsBasicDistributedZk2Test, HdfsBasicDistributedZkTest, 
HdfsChaosMonkeyNothingIsSafeTest, HdfsRecoverLeaseTest, HdfsRecoveryZkTest, 
HdfsRestartWhileUpdatingTest, HdfsThreadLeakTest, HdfsUnloadDistributedZkTest, 
HdfsWriteToMultipleCollectionsTest, ZkStateReaderTest, ImplicitSnitchTest, 
BlobRepositoryCloudTest, HdfsDirectoryFactoryTest, QueryResultKeyTest, 
TestConfigOverlay, TestCorePropertiesReload, TestDynamicLoading, 
TestSolrConfigHandlerConcurrent, V2ApiIntegrationTest, 
DistributedFacetPivotLongTailTest, SpatialHeatmapFacetsTest, TestMacroExpander, 
TestMacros, JSONWriterTest, SmileWriterTest, TestBinaryResponseWriter, 
TestCustomDocTransformer, TestExportWriter, TestSolrQueryResponse, 
TestManagedResource, TestManagedResourceStorage, 
TestDynamicFieldCollectionResource, TestFieldResource, TestSchemaResource, 
TestSerializedLuceneMatchVersion, TestManagedSynonymFilterFactory, 
BadCopyFieldTest, ChangedSchemaMergeTest, TestBulkSchemaConcurrent, 
TestPointFields, MergeStrategyTest, RankQueryTest, TestAddFieldRealTimeGet, 
TestComplexPhraseQParserPlugin, TestCustomSort, TestFieldSortValues, 
TestLegacyNumericRangeQueryBuilder, TestMissingGroups, TestNoOpRegenerator, 
TestOverriddenPrefixQueryForCustomFieldType, TestQueryWrapperFilter, 
TestReRankQParserPlugin, TestSimpleQParserPlugin, TestSmileRequest, 
TestSolr4Spatial2, TestSolrCoreParser, TestStressUserVersions, TestXmlQParser, 
TestOrdValues, BJQParserTest, BlockJoinFacetDistribTest, TestScoreJoinQPScore, 
TestClassicSimilarityFactory, TestDefaultStatsCache, BasicAuthIntegrationTest, 
TestPKIAuthenticationPlugin, TestRuleBasedAuthorizationPlugin, 
TestSha256AuthenticationProvider, TestImpersonationWithHadoopAuth]
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=TestImpersonationWithHadoopAuth -Dtests.seed=8AEF39929ACC1EBC 
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=dua 
-Dtests.timezone=America/Sao_Paulo -Dtests.asserts=true 
-Dtests.file.encoding=ISO-8859-1
   [junit4] ERROR   0.00s J2 | TestImpersonationWithHadoopAuth (suite) <<<
   [junit4]    > Throwable #1: java.lang.ExceptionInInitializerError
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([8AEF39929ACC1EBC]:0)
   [junit4]    >        at 
org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:80)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:94)
   [junit4]    >        at 
org.apache.hadoop.security.Groups.<init>(Groups.java:74)
   [junit4]    >        at 
org.apache.solr.security.hadoop.ImpersonationUtil.getUsersFirstGroup(ImpersonationUtil.java:39)
   [junit4]    >        at 
org.apache.solr.security.hadoop.TestImpersonationWithHadoopAuth.setupClass(TestImpersonationWithHadoopAuth.java:72)
   [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)
   [junit4]    > Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, 
end 3, length 1
   [junit4]    >        at 
java.base/java.lang.String.checkBoundsBeginEnd(String.java:3116)
   [junit4]    >        at 
java.base/java.lang.String.substring(String.java:1885)
   [junit4]    >        at org.apache.hadoop.util.Shell.<clinit>(Shell.java:51)
   [junit4]    >        ... 29 more
   [junit4] Completed [684/723 (3!)] on J2 in 0.04s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 36481 lines...]
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