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From Dawid Weiss <dawid.we...@gmail.com>
Subject Re: [JENKINS] Lucene-Solr-BadApples-master-Linux (64bit/jdk1.8.0_172) - Build # 74 - Failure!
Date Mon, 06 Aug 2018 06:20:51 GMT
This exception is caused by an underling OOM during the test.

D.
On Mon, Aug 6, 2018 at 6:23 AM Policeman Jenkins Server
<jenkins@thetaphi.de> wrote:
>
> Build: https://jenkins.thetaphi.de/job/Lucene-Solr-BadApples-master-Linux/74/
> Java: 64bit/jdk1.8.0_172 -XX:-UseCompressedOops -XX:+UseSerialGC
>
> 3 tests failed.
> FAILED:  org.apache.lucene.index.TestIndexingSequenceNumbers.testStressConcurrentCommit
>
> Error Message:
> this IndexWriter is closed
>
> Stack Trace:
> org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>         at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:671)
>         at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:685)
>         at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3410)
>         at org.apache.lucene.index.TestIndexingSequenceNumbers.testStressConcurrentCommit(TestIndexingSequenceNumbers.java:228)
>         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:1737)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
>         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:943)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
>         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.lang.OutOfMemoryError: Java heap space
>         at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>         at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>         at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>         at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>         at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>         at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>         at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>         at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>         at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>         at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>         at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>         at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>         at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>         at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>         at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>
>
> FAILED:  org.apache.solr.cloud.TestWithCollection.testDeleteWithCollection
>
> Error Message:
> Error from server at http://127.0.0.1:43217/solr: Could not find collection : testDeleteWithCollection_abc
>
> Stack Trace:
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://127.0.0.1:43217/solr: Could not find collection : testDeleteWithCollection_abc
>         at __randomizedtesting.SeedInfo.seed([723F62BB39A3C8CE:9E6955660391A70]:0)
>         at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:643)
>         at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
>         at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
>         at org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483)
>         at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413)
>         at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1106)
>         at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:886)
>         at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:819)
>         at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:194)
>         at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:211)
>         at org.apache.solr.cloud.TestWithCollection.testDeleteWithCollection(TestWithCollection.java:197)
>         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:1737)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
>         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:943)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
>         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:  org.apache.solr.cloud.autoscaling.HdfsAutoAddReplicasIntegrationTest.testSimple
>
> Error Message:
> Waiting for collection testSimple2 null Live Nodes: [127.0.0.1:37293_solr, 127.0.0.1:45135_solr] Last available state: DocCollection(testSimple2//collections/testSimple2/state.json/21)={   "pullReplicas":"0",   "replicationFactor":"2",   "shards":{     "shard1":{       "range":"80000000-ffffffff",       "state":"active",       "replicas":{         "core_node3":{           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node3/data/",           "base_url":"http://127.0.0.1:45135/solr",           "node_name":"127.0.0.1:45135_solr",           "type":"NRT",           "force_set_state":"false",           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node3/data/tlog",           "core":"testSimple2_shard1_replica_n1",           "shared_storage":"true",           "state":"active",           "leader":"true"},         "core_node5":{           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node5/data/",           "base_url":"http://127.0.0.1:35471/solr",           "node_name":"127.0.0.1:35471_solr",           "type":"NRT",           "force_set_state":"false",           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node5/data/tlog",           "core":"testSimple2_shard1_replica_n2",           "shared_storage":"true",           "state":"down"}}},     "shard2":{       "range":"0-7fffffff",       "state":"active",       "replicas":{         "core_node7":{           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node7/data/",           "base_url":"http://127.0.0.1:45135/solr",           "node_name":"127.0.0.1:45135_solr",           "type":"NRT",           "force_set_state":"false",           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node7/data/tlog",           "core":"testSimple2_shard2_replica_n4",           "shared_storage":"true",           "state":"active",           "leader":"true"},         "core_node8":{           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node8/data/",           "base_url":"http://127.0.0.1:35471/solr",           "node_name":"127.0.0.1:35471_solr",           "type":"NRT",           "force_set_state":"false",           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node8/data/tlog",           "core":"testSimple2_shard2_replica_n6",           "shared_storage":"true",           "state":"down"}}}},   "router":{"name":"compositeId"},   "maxShardsPerNode":"2",   "autoAddReplicas":"true",   "nrtReplicas":"2",   "tlogReplicas":"0"}
>
> Stack Trace:
> java.lang.AssertionError: Waiting for collection testSimple2
> null
> Live Nodes: [127.0.0.1:37293_solr, 127.0.0.1:45135_solr]
> Last available state: DocCollection(testSimple2//collections/testSimple2/state.json/21)={
>   "pullReplicas":"0",
>   "replicationFactor":"2",
>   "shards":{
>     "shard1":{
>       "range":"80000000-ffffffff",
>       "state":"active",
>       "replicas":{
>         "core_node3":{
>           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node3/data/",
>           "base_url":"http://127.0.0.1:45135/solr",
>           "node_name":"127.0.0.1:45135_solr",
>           "type":"NRT",
>           "force_set_state":"false",
>           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node3/data/tlog",
>           "core":"testSimple2_shard1_replica_n1",
>           "shared_storage":"true",
>           "state":"active",
>           "leader":"true"},
>         "core_node5":{
>           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node5/data/",
>           "base_url":"http://127.0.0.1:35471/solr",
>           "node_name":"127.0.0.1:35471_solr",
>           "type":"NRT",
>           "force_set_state":"false",
>           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node5/data/tlog",
>           "core":"testSimple2_shard1_replica_n2",
>           "shared_storage":"true",
>           "state":"down"}}},
>     "shard2":{
>       "range":"0-7fffffff",
>       "state":"active",
>       "replicas":{
>         "core_node7":{
>           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node7/data/",
>           "base_url":"http://127.0.0.1:45135/solr",
>           "node_name":"127.0.0.1:45135_solr",
>           "type":"NRT",
>           "force_set_state":"false",
>           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node7/data/tlog",
>           "core":"testSimple2_shard2_replica_n4",
>           "shared_storage":"true",
>           "state":"active",
>           "leader":"true"},
>         "core_node8":{
>           "dataDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node8/data/",
>           "base_url":"http://127.0.0.1:35471/solr",
>           "node_name":"127.0.0.1:35471_solr",
>           "type":"NRT",
>           "force_set_state":"false",
>           "ulogDir":"hdfs://localhost.localdomain:44175/data/testSimple2/core_node8/data/tlog",
>           "core":"testSimple2_shard2_replica_n6",
>           "shared_storage":"true",
>           "state":"down"}}}},
>   "router":{"name":"compositeId"},
>   "maxShardsPerNode":"2",
>   "autoAddReplicas":"true",
>   "nrtReplicas":"2",
>   "tlogReplicas":"0"}
>         at __randomizedtesting.SeedInfo.seed([723F62BB39A3C8CE:4A8C46451E501C1F]:0)
>         at org.junit.Assert.fail(Assert.java:93)
>         at org.apache.solr.cloud.SolrCloudTestCase.waitForState(SolrCloudTestCase.java:278)
>         at org.apache.solr.cloud.autoscaling.AutoAddReplicasIntegrationTest.testSimple(AutoAddReplicasIntegrationTest.java:131)
>         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:1737)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
>         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:943)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
>         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)
>
>
>
>
> Build Log:
> [...truncated 1835 lines...]
>    [junit4] Suite: org.apache.lucene.index.TestIndexingSequenceNumbers
>    [junit4]   2> Aug 05, 2018 10:00:07 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1956,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:94)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:10 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1954,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.index.SegmentInfo.getId(SegmentInfo.java:253)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:120)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:07 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1955,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:10 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1951,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:216)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
>    [junit4]   2>        at org.apache.lucene.index.BufferedUpdatesStream.waitApply(BufferedUpdatesStream.java:230)
>    [junit4]   2>        at org.apache.lucene.index.BufferedUpdatesStream.waitApplyAll(BufferedUpdatesStream.java:143)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.applyAllDeletesAndUpdates(IndexWriter.java:3643)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:3217)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:3446)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3411)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:184)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:10 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1950,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:216)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:671)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:685)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3410)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:184)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:07 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1952,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.store.RAMFile.newBuffer(RAMFile.java:78)
>    [junit4]   2>        at org.apache.lucene.store.RAMFile.addBuffer(RAMFile.java:51)
>    [junit4]   2>        at org.apache.lucene.store.RAMOutputStream.switchCurrentBuffer(RAMOutputStream.java:164)
>    [junit4]   2>        at org.apache.lucene.store.RAMOutputStream.writeBytes(RAMOutputStream.java:150)
>    [junit4]   2>        at org.apache.lucene.store.MockIndexOutputWrapper.writeBytes(MockIndexOutputWrapper.java:141)
>    [junit4]   2>        at org.apache.lucene.store.MockIndexOutputWrapper.writeByte(MockIndexOutputWrapper.java:126)
>    [junit4]   2>        at org.apache.lucene.store.DataOutput.writeInt(DataOutput.java:70)
>    [junit4]   2>        at org.apache.lucene.codecs.CodecUtil.writeHeader(CodecUtil.java:90)
>    [junit4]   2>        at org.apache.lucene.codecs.CodecUtil.writeIndexHeader(CodecUtil.java:133)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:120)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:297)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:450)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1289)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1282)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:206)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:10 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1949,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:216)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:671)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:685)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3410)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:184)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:07 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-1953,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:216)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2592)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5089)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1602)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        ... 2 more
>    [junit4]   2>
>    [junit4]   2> Aug 05, 2018 10:00:07 PM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge Thread #6853,5,TGRP-TestIndexingSequenceNumbers]
>    [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:704)
>    [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:684)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
>    [junit4]   2>        at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
>    [junit4]   2>        at org.apache.lucene.index.BufferedUpdatesStream.waitApply(BufferedUpdatesStream.java:230)
>    [junit4]   2>        at org.apache.lucene.index.BufferedUpdatesStream.waitApplyForMerge(BufferedUpdatesStream.java:205)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeInit(IndexWriter.java:4196)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4052)
>    [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>    [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]   2>        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]   2>        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]   2>
>    [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestIndexingSequenceNumbers -Dtests.method=testStressConcurrentCommit -Dtests.seed=48EE8146FBCF5CD0 -Dtests.multiplier=3 -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=ro-RO -Dtests.timezone=America/Indiana/Tell_City -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR    429s J1 | TestIndexingSequenceNumbers.testStressConcurrentCommit <<<
>    [junit4]    > Throwable #1: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:671)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:685)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3410)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers.testStressConcurrentCommit(TestIndexingSequenceNumbers.java:228)
>    [junit4]    >        at java.lang.Thread.run(Thread.java:748)
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]    >        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)Throwable #2: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=2099, name=Thread-1952, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]    >        at org.apache.lucene.store.RAMFile.newBuffer(RAMFile.java:78)
>    [junit4]    >        at org.apache.lucene.store.RAMFile.addBuffer(RAMFile.java:51)
>    [junit4]    >        at org.apache.lucene.store.RAMOutputStream.switchCurrentBuffer(RAMOutputStream.java:164)
>    [junit4]    >        at org.apache.lucene.store.RAMOutputStream.writeBytes(RAMOutputStream.java:150)
>    [junit4]    >        at org.apache.lucene.store.MockIndexOutputWrapper.writeBytes(MockIndexOutputWrapper.java:141)
>    [junit4]    >        at org.apache.lucene.store.MockIndexOutputWrapper.writeByte(MockIndexOutputWrapper.java:126)
>    [junit4]    >        at org.apache.lucene.store.DataOutput.writeInt(DataOutput.java:70)
>    [junit4]    >        at org.apache.lucene.codecs.CodecUtil.writeHeader(CodecUtil.java:90)
>    [junit4]    >        at org.apache.lucene.codecs.CodecUtil.writeIndexHeader(CodecUtil.java:133)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:120)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]    >        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:297)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:450)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1289)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1282)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:206)Throwable #3: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=2100, name=Thread-1953, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
>    [junit4]    > Caused by: java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:216)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2592)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5089)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1602)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]    >        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]    >        ... 2 moreThrowable #4: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=2102, name=Thread-1955, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:93)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]    >        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)Throwable #5: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=2103, name=Thread-1956, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([48EE8146FBCF5CD0]:0)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexWriter.<init>(CompressingStoredFieldsIndexWriter.java:94)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
>    [junit4]    >        at org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:128)
>    [junit4]    >        at org.apache.lucene.codecs.lucene50.Lucene50StoredFieldsFormat.fieldsWriter(Lucene50StoredFieldsFormat.java:183)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
>    [junit4]    >        at org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:366)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:402)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:251)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:494)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1599)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.TestIndexingSequenceNumbers$2.run(TestIndexingSequenceNumbers.java:208)Throwable #6: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=8957, name=Lucene Merge Thread #6853, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
>    [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:704)
>    [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:684)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
>    [junit4]    >        at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
>    [junit4]    >        at org.apache.lucene.index.BufferedUpdatesStream.waitApply(BufferedUpdatesStream.java:230)
>    [junit4]    >        at org.apache.lucene.index.BufferedUpdatesStream.waitApplyForMerge(BufferedUpdatesStream.java:205)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeInit(IndexWriter.java:4196)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mer

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