[JENKINS] Lucene-Solr-7.x-MacOSX (64bit/jdk1.8.0) - Build # 87 - Still Unstable!

Policeman Jenkins Server Sun, 30 Jul 2017 07:40:40 -0700

Build: https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-MacOSX/87/
Java: 64bit/jdk1.8.0 -XX:+UseCompressedOops -XX:+UseParallelGC


251 tests failed.
FAILED:  junit.framework.TestSuite.org.apache.solr.ConvertedLegacyTest

Error Message:
org.apache.solr.ConvertedLegacyTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.ConvertedLegacyTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/ConvertedLegacyTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.CursorPagingTest

Error Message:
org.apache.solr.CursorPagingTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.CursorPagingTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/CursorPagingTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.EchoParamsTest

Error Message:
org.apache.solr.EchoParamsTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.EchoParamsTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/EchoParamsTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.MinimalSchemaTest

Error Message:
org.apache.solr.MinimalSchemaTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.MinimalSchemaTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/MinimalSchemaTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.OutputWriterTest

Error Message:
org.apache.solr.OutputWriterTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.OutputWriterTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/OutputWriterTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.SampleTest

Error Message:
org.apache.solr.SampleTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.SampleTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/SampleTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.TestCursorMarkWithoutUniqueKey

Error Message:
org.apache.solr.TestCursorMarkWithoutUniqueKey

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.TestCursorMarkWithoutUniqueKey
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/TestCursorMarkWithoutUniqueKey.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  org.apache.solr.TestDistributedGrouping.test

Error Message:
Failed to list contents of 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/core/src/test-files/solr

Stack Trace:
java.io.IOException: Failed to list contents of 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/core/src/test-files/solr
        at 
__randomizedtesting.SeedInfo.seed([860F5204A4969E33:E5B6DDE0A6AF3CB]:0)
        at org.apache.commons.io.FileUtils.doCopyDirectory(FileUtils.java:1426)
        at org.apache.commons.io.FileUtils.copyDirectory(FileUtils.java:1388)
        at org.apache.commons.io.FileUtils.copyDirectory(FileUtils.java:1268)
        at org.apache.commons.io.FileUtils.copyDirectory(FileUtils.java:1237)
        at 
org.apache.solr.BaseDistributedSearchTestCase.seedSolrHome(BaseDistributedSearchTestCase.java:1092)
        at 
org.apache.solr.BaseDistributedSearchTestCase.createServers(BaseDistributedSearchTestCase.java:337)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsRepeatStatement.callStatement(BaseDistributedSearchTestCase.java:1009)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:916)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:802)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:852)
        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 
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.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.TestDistributedGrouping

Error Message:
2 threads leaked from SUITE scope at org.apache.solr.TestDistributedGrouping:   
  1) Thread[id=15643, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestDistributedGrouping]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    2) Thread[id=15642, 
name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestDistributedGrouping]         at java.lang.Thread.sleep(Native 
Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE 
scope at org.apache.solr.TestDistributedGrouping: 
   1) Thread[id=15643, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestDistributedGrouping]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=15642, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestDistributedGrouping]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([860F5204A4969E33]:0)


FAILED:  org.apache.solr.TestDistributedSearch.test

Error Message:
IOException occured when talking to server at: 
http://127.0.0.1:52881/wkc/collection1

Stack Trace:
org.apache.solr.client.solrj.SolrServerException: IOException occured when 
talking to server at: http://127.0.0.1:52881/wkc/collection1
        at 
__randomizedtesting.SeedInfo.seed([860F5204A4969E33:E5B6DDE0A6AF3CB]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:640)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:252)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:241)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
        at 
org.apache.solr.client.solrj.SolrClient.deleteByQuery(SolrClient.java:895)
        at 
org.apache.solr.client.solrj.SolrClient.deleteByQuery(SolrClient.java:858)
        at 
org.apache.solr.client.solrj.SolrClient.deleteByQuery(SolrClient.java:873)
        at 
org.apache.solr.BaseDistributedSearchTestCase.del(BaseDistributedSearchTestCase.java:540)
        at 
org.apache.solr.TestDistributedSearch.test(TestDistributedSearch.java:115)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1713)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:907)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:957)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsRepeatStatement.callStatement(BaseDistributedSearchTestCase.java:1011)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:916)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:802)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:852)
        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 
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.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketException: Too many open files
        at java.net.Socket.createImpl(Socket.java:460)
        at java.net.Socket.getImpl(Socket.java:520)
        at java.net.Socket.setSoTimeout(Socket.java:1141)
        at 
org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:119)
        at 
org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
        at 
org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
        at 
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
        at 
org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
        at 
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
        at 
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at 
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:523)
        ... 49 more


FAILED:  junit.framework.TestSuite.org.apache.solr.TestDocumentBuilder

Error Message:
org.apache.solr.TestDocumentBuilder

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.TestDocumentBuilder
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/TestDocumentBuilder.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.TestJoin

Error Message:
invalid API spec: apispec/cluster.configs.json

Stack Trace:
java.lang.RuntimeException: invalid API spec: apispec/cluster.configs.json
        at __randomizedtesting.SeedInfo.seed([860F5204A4969E33]:0)
        at 
org.apache.solr.common.util.ValidatingJsonMap.parse(ValidatingJsonMap.java:318)
        at org.apache.solr.common.util.Utils.lambda$getSpec$0(Utils.java:394)
        at org.apache.solr.api.Api.getSpec(Api.java:65)
        at org.apache.solr.api.ApiBag.register(ApiBag.java:73)
        at org.apache.solr.core.PluginBag.put(PluginBag.java:217)
        at org.apache.solr.core.PluginBag.put(PluginBag.java:188)
        at 
org.apache.solr.core.CoreContainer.createHandler(CoreContainer.java:1448)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:528)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:178)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:141)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:147)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:110)
        at org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:689)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:679)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:553)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:542)
        at org.apache.solr.TestJoin.beforeTests(TestJoin.java:48)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        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 
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.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.TestJoin

Error Message:
ObjectTracker found 2 object(s) that were not released!!! [InternalHttpClient, 
InternalHttpClient] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:289)
  at 
org.apache.solr.update.UpdateShardHandler.<init>(UpdateShardHandler.java:94)  
at org.apache.solr.core.CoreContainer.load(CoreContainer.java:505)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:178)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:141)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:147)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:110)  at 
org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:689)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:679)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:553)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:542)  at 
org.apache.solr.TestJoin.beforeTests(TestJoin.java:48)  at 
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)  
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)  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 
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.lang.Thread.run(Thread.java:748)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:289)
  at 
org.apache.solr.handler.component.HttpShardHandlerFactory.init(HttpShardHandlerFactory.java:209)
  at 
org.apache.solr.handler.component.ShardHandlerFactory.newInstance(ShardHandlerFactory.java:47)
  at org.apache.solr.core.CoreContainer.load(CoreContainer.java:499)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:178)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:141)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:147)  at 
org.apache.solr.util.TestHarness.<init>(TestHarness.java:110)  at 
org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:689)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:679)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:553)  at 
org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:542)  at 
org.apache.solr.TestJoin.beforeTests(TestJoin.java:48)  at 
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)  
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)  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 
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.lang.Thread.run(Thread.java:748)  

Stack Trace:
java.lang.AssertionError: ObjectTracker found 2 object(s) that were not 
released!!! [InternalHttpClient, InternalHttpClient]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:289)
        at 
org.apache.solr.update.UpdateShardHandler.<init>(UpdateShardHandler.java:94)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:505)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:178)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:141)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:147)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:110)
        at org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:689)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:679)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:553)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:542)
        at org.apache.solr.TestJoin.beforeTests(TestJoin.java:48)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        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 
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.lang.Thread.run(Thread.java:748)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.http.impl.client.InternalHttpClient
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:289)
        at 
org.apache.solr.handler.component.HttpShardHandlerFactory.init(HttpShardHandlerFactory.java:209)
        at 
org.apache.solr.handler.component.ShardHandlerFactory.newInstance(ShardHandlerFactory.java:47)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:499)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:178)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:141)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:147)
        at org.apache.solr.util.TestHarness.<init>(TestHarness.java:110)
        at org.apache.solr.SolrTestCaseJ4.createCore(SolrTestCaseJ4.java:689)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:679)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:553)
        at org.apache.solr.SolrTestCaseJ4.initCore(SolrTestCaseJ4.java:542)
        at org.apache.solr.TestJoin.beforeTests(TestJoin.java:48)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        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 
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.lang.Thread.run(Thread.java:748)


        at __randomizedtesting.SeedInfo.seed([860F5204A4969E33]:0)
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertNull(Assert.java:551)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:297)
        at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        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 
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.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.TestJoin

Error Message:
Could not remove the following files (in the order of attempts):    
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001/init-core-data-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001/init-core-data-001:
 Too many open files    
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001:
 Too many open files 

Stack Trace:
java.io.IOException: Could not remove the following files (in the order of 
attempts):
   
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001/init-core-data-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001/init-core-data-001:
 Too many open files
   
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001:
 java.nio.file.FileSystemException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/test/J0/temp/solr.TestJoin_860F5204A4969E33-001:
 Too many open files

        at org.apache.lucene.util.IOUtils.rm(IOUtils.java:329)
        at 
org.apache.lucene.util.TestRuleTemporaryFilesCleanup.afterAlways(TestRuleTemporaryFilesCleanup.java:216)
        at 
com.carrotsearch.randomizedtesting.rules.TestRuleAdapter$1.afterAlways(TestRuleAdapter.java:31)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:43)
        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.lang.Thread.run(Thread.java:748)


FAILED:  junit.framework.TestSuite.org.apache.solr.TestJoin

Error Message:
2 threads leaked from SUITE scope at org.apache.solr.TestJoin:     1) 
Thread[id=15649, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestJoin]         at java.lang.Thread.sleep(Native Method)         
at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)    2) Thread[id=15648, 
name=Connection evictor, state=TIMED_WAITING, group=TGRP-TestJoin]         at 
java.lang.Thread.sleep(Native Method)         at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
         at java.lang.Thread.run(Thread.java:748)

Stack Trace:
com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from SUITE 
scope at org.apache.solr.TestJoin: 
   1) Thread[id=15649, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestJoin]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
   2) Thread[id=15648, name=Connection evictor, state=TIMED_WAITING, 
group=TGRP-TestJoin]
        at java.lang.Thread.sleep(Native Method)
        at 
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
        at java.lang.Thread.run(Thread.java:748)
        at __randomizedtesting.SeedInfo.seed([860F5204A4969E33]:0)


FAILED:  junit.framework.TestSuite.org.apache.solr.TestTolerantSearch

Error Message:
org.apache.solr.TestTolerantSearch

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.TestTolerantSearch
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/TestTolerantSearch.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  junit.framework.TestSuite.org.apache.solr.analysis.TestCharFilters

Error Message:
org.apache.solr.analysis.TestCharFilters

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.analysis.TestCharFilters
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/analysis/TestCharFilters.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.analysis.TestReversedWildcardFilterFactory

Error Message:
org.apache.solr.analysis.TestReversedWildcardFilterFactory

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.analysis.TestReversedWildcardFilterFactory
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/analysis/TestReversedWildcardFilterFactory.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.analysis.TestWordDelimiterFilterFactory

Error Message:
org.apache.solr.analysis.TestWordDelimiterFilterFactory

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.analysis.TestWordDelimiterFilterFactory
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/analysis/TestWordDelimiterFilterFactory.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerConstructors

Error Message:
org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerConstructors

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerConstructors
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/client/solrj/embedded/TestEmbeddedSolrServerConstructors.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerSchemaAPI

Error Message:
org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerSchemaAPI

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.client.solrj.embedded.TestEmbeddedSolrServerSchemaAPI
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/client/solrj/embedded/TestEmbeddedSolrServerSchemaAPI.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.AsyncCallRequestStatusResponseTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.AsyncCallRequestStatusResponseTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/AsyncCallRequestStatusResponseTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.BaseCdcrDistributedZkTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.BaseCdcrDistributedZkTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/BaseCdcrDistributedZkTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CdcrBootstrapTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.CdcrBootstrapTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CdcrBootstrapTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CdcrReplicationDistributedZkTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CdcrReplicationDistributedZkTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CdcrReplicationDistributedZkTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CdcrRequestHandlerTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.CdcrRequestHandlerTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CdcrRequestHandlerTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CdcrVersionReplicationTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CdcrVersionReplicationTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CdcrVersionReplicationTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.ChaosMonkeyNothingIsSafeWithPullReplicasTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.ChaosMonkeyNothingIsSafeWithPullReplicasTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/ChaosMonkeyNothingIsSafeWithPullReplicasTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CleanupOldIndexTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.CleanupOldIndexTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CleanupOldIndexTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.ClusterStateTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.ClusterStateTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/ClusterStateTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


FAILED:  
junit.framework.TestSuite.org.apache.solr.cloud.CollectionStateFormat2Test

Error Message:
org.apache.solr.cloud.CollectionStateFormat2Test

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CollectionStateFormat2Test
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CollectionStateFormat2Test.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CollectionTooManyReplicasTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CollectionTooManyReplicasTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CollectionTooManyReplicasTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CollectionsAPIAsyncDistributedZkTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CollectionsAPIAsyncDistributedZkTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CollectionsAPIAsyncDistributedZkTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CreateCollectionCleanupTest

Stack Trace:
java.lang.ClassNotFoundException: 
org.apache.solr.cloud.CreateCollectionCleanupTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CreateCollectionCleanupTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.CustomCollectionTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.CustomCollectionTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/CustomCollectionTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.DeleteNodeTest

Stack Trace:
java.lang.ClassNotFoundException: org.apache.solr.cloud.DeleteNodeTest
        at java.net.URLClassLoader$1.run(URLClassLoader.java:370)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.instantiate(SlaveMain.java:280)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.execute(SlaveMain.java:240)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMain.main(SlaveMain.java:368)
        at 
com.carrotsearch.ant.tasks.junit4.slave.SlaveMainSafe.main(SlaveMainSafe.java:13)
Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/cloud/DeleteNodeTest.class
 (Too many open files)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
        at sun.misc.Resource.cachedInputStream(Resource.java:77)
        at sun.misc.Resource.getByteBuffer(Resource.java:160)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
        ... 12 more


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

Error Message:
org.apache.solr.cloud.DeleteReplicaT

[...truncated too long message...]

  [junit4]    >         at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [720/726 (230!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 1 lines...]
   [junit4] Suite: org.apache.solr.util.UtilsToolTest
   [junit4] ERROR   0.00s J0 | UtilsToolTest (suite) <<<
   [junit4]    > Throwable #1: java.lang.ClassNotFoundException: 
org.apache.solr.util.UtilsToolTest
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:370)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:362)
   [junit4]    >        at java.security.AccessController.doPrivileged(Native 
Method)
   [junit4]    >        at 
java.net.URLClassLoader.findClass(URLClassLoader.java:361)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   [junit4]    >        at 
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   [junit4]    >        at java.lang.Class.forName0(Native Method)
   [junit4]    >        at java.lang.Class.forName(Class.java:348)
   [junit4]    > Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/util/UtilsToolTest.class
 (Too many open files)
   [junit4]    >        at java.io.FileInputStream.open0(Native Method)
   [junit4]    >        at 
java.io.FileInputStream.open(FileInputStream.java:195)
   [junit4]    >        at 
java.io.FileInputStream.<init>(FileInputStream.java:138)
   [junit4]    >        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
   [junit4]    >        at sun.misc.Resource.cachedInputStream(Resource.java:77)
   [junit4]    >        at sun.misc.Resource.getByteBuffer(Resource.java:160)
   [junit4]    >        at 
java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
   [junit4]    >        at 
java.net.URLClassLoader.access$100(URLClassLoader.java:73)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [721/726 (231!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 1 lines...]
   [junit4] Suite: org.apache.solr.util.hll.BigEndianAscendingWordSerializerTest
   [junit4] ERROR   0.00s J0 | BigEndianAscendingWordSerializerTest (suite) <<<
   [junit4]    > Throwable #1: java.lang.ClassNotFoundException: 
org.apache.solr.util.hll.BigEndianAscendingWordSerializerTest
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:370)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:362)
   [junit4]    >        at java.security.AccessController.doPrivileged(Native 
Method)
   [junit4]    >        at 
java.net.URLClassLoader.findClass(URLClassLoader.java:361)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   [junit4]    >        at 
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   [junit4]    >        at java.lang.Class.forName0(Native Method)
   [junit4]    >        at java.lang.Class.forName(Class.java:348)
   [junit4]    > Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/util/hll/BigEndianAscendingWordSerializerTest.class
 (Too many open files)
   [junit4]    >        at java.io.FileInputStream.open0(Native Method)
   [junit4]    >        at 
java.io.FileInputStream.open(FileInputStream.java:195)
   [junit4]    >        at 
java.io.FileInputStream.<init>(FileInputStream.java:138)
   [junit4]    >        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
   [junit4]    >        at sun.misc.Resource.cachedInputStream(Resource.java:77)
   [junit4]    >        at sun.misc.Resource.getByteBuffer(Resource.java:160)
   [junit4]    >        at 
java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
   [junit4]    >        at 
java.net.URLClassLoader.access$100(URLClassLoader.java:73)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [722/726 (232!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 1 lines...]
   [junit4] Suite: org.apache.solr.util.hll.BitVectorTest
   [junit4] ERROR   0.00s J0 | BitVectorTest (suite) <<<
   [junit4]    > Throwable #1: java.lang.ClassNotFoundException: 
org.apache.solr.util.hll.BitVectorTest
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:370)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:362)
   [junit4]    >        at java.security.AccessController.doPrivileged(Native 
Method)
   [junit4]    >        at 
java.net.URLClassLoader.findClass(URLClassLoader.java:361)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   [junit4]    >        at 
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   [junit4]    >        at java.lang.Class.forName0(Native Method)
   [junit4]    >        at java.lang.Class.forName(Class.java:348)
   [junit4]    > Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/util/hll/BitVectorTest.class
 (Too many open files)
   [junit4]    >        at java.io.FileInputStream.open0(Native Method)
   [junit4]    >        at 
java.io.FileInputStream.open(FileInputStream.java:195)
   [junit4]    >        at 
java.io.FileInputStream.<init>(FileInputStream.java:138)
   [junit4]    >        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
   [junit4]    >        at sun.misc.Resource.cachedInputStream(Resource.java:77)
   [junit4]    >        at sun.misc.Resource.getByteBuffer(Resource.java:160)
   [junit4]    >        at 
java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
   [junit4]    >        at 
java.net.URLClassLoader.access$100(URLClassLoader.java:73)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [723/726 (233!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 1 lines...]
   [junit4] Suite: org.apache.solr.util.hll.SparseHLLTest
   [junit4] ERROR   0.00s J0 | SparseHLLTest (suite) <<<
   [junit4]    > Throwable #1: java.lang.ClassNotFoundException: 
org.apache.solr.util.hll.SparseHLLTest
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:370)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:362)
   [junit4]    >        at java.security.AccessController.doPrivileged(Native 
Method)
   [junit4]    >        at 
java.net.URLClassLoader.findClass(URLClassLoader.java:361)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   [junit4]    >        at 
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   [junit4]    >        at java.lang.Class.forName0(Native Method)
   [junit4]    >        at java.lang.Class.forName(Class.java:348)
   [junit4]    > Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/util/hll/SparseHLLTest.class
 (Too many open files)
   [junit4]    >        at java.io.FileInputStream.open0(Native Method)
   [junit4]    >        at 
java.io.FileInputStream.open(FileInputStream.java:195)
   [junit4]    >        at 
java.io.FileInputStream.<init>(FileInputStream.java:138)
   [junit4]    >        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
   [junit4]    >        at sun.misc.Resource.cachedInputStream(Resource.java:77)
   [junit4]    >        at sun.misc.Resource.getByteBuffer(Resource.java:160)
   [junit4]    >        at 
java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
   [junit4]    >        at 
java.net.URLClassLoader.access$100(URLClassLoader.java:73)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [724/726 (234!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 1 lines...]
   [junit4] Suite: org.apache.solr.util.stats.MetricUtilsTest
   [junit4] ERROR   0.00s J0 | MetricUtilsTest (suite) <<<
   [junit4]    > Throwable #1: java.lang.ClassNotFoundException: 
org.apache.solr.util.stats.MetricUtilsTest
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:370)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:362)
   [junit4]    >        at java.security.AccessController.doPrivileged(Native 
Method)
   [junit4]    >        at 
java.net.URLClassLoader.findClass(URLClassLoader.java:361)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   [junit4]    >        at 
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   [junit4]    >        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   [junit4]    >        at java.lang.Class.forName0(Native Method)
   [junit4]    >        at java.lang.Class.forName(Class.java:348)
   [junit4]    > Caused by: java.io.FileNotFoundException: 
/Users/jenkins/workspace/Lucene-Solr-7.x-MacOSX/solr/build/solr-core/classes/test/org/apache/solr/util/stats/MetricUtilsTest.class
 (Too many open files)
   [junit4]    >        at java.io.FileInputStream.open0(Native Method)
   [junit4]    >        at 
java.io.FileInputStream.open(FileInputStream.java:195)
   [junit4]    >        at 
java.io.FileInputStream.<init>(FileInputStream.java:138)
   [junit4]    >        at 
sun.misc.URLClassPath$FileLoader$1.getInputStream(URLClassPath.java:1288)
   [junit4]    >        at sun.misc.Resource.cachedInputStream(Resource.java:77)
   [junit4]    >        at sun.misc.Resource.getByteBuffer(Resource.java:160)
   [junit4]    >        at 
java.net.URLClassLoader.defineClass(URLClassLoader.java:454)
   [junit4]    >        at 
java.net.URLClassLoader.access$100(URLClassLoader.java:73)
   [junit4]    >        at 
java.net.URLClassLoader$1.run(URLClassLoader.java:368)
   [junit4]    >        ... 12 more
   [junit4] Completed [725/726 (235!)] on J0 in 0.00s, 0 tests, 1 error <<< 
FAILURES!

[...truncated 43342 lines...]

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[JENKINS] Lucene-Solr-7.x-MacOSX (64bit/jdk1.8.0) - Build # 87 - Still Unstable!

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