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Posted to dev@lucene.apache.org by "Steve Rowe (JIRA)" <ji...@apache.org> on 2016/08/08 23:11:20 UTC
[jira] [Commented] (SOLR-9390) LeaderFailoverAfterPartitionTest
failures: Connection refused
[ https://issues.apache.org/jira/browse/SOLR-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15412628#comment-15412628 ]
Steve Rowe commented on SOLR-9390:
----------------------------------
I was curious how frequently this test fails, so I ran 100 iterations on master using Miller's beasting script, and there were 8 failures, 4 of which look like the above 2: Connection refused. All 4 seeds reproduce for me on the first attempt:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=7066E32EB7F9257F -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=hi-IN -Dtests.timezone=Europe/Copenhagen -Dtests.asserts=true -Dtests.file.encoding=UTF-8
{noformat}
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=6B668251972FCE31 -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=bg -Dtests.timezone=Arctic/Longyearbyen -Dtests.asserts=true -Dtests.file.encoding=ISO-8859-1
{noformat}
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=A61C973A4E61B79D -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=da -Dtests.timezone=Asia/Bahrain -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
{noformat}
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=CA6D489202E270EB -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=ja-JP -Dtests.timezone=Africa/Dar_es_Salaam -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
{noformat}
3 other failures are caused by too few active replicas - I've included the full output for the first but just the repro line for the other 2 - none of these reproduced for me on the first attempt:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=27CA142284060548 -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=sr-CS -Dtests.timezone=Australia/Broken_Hill -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
[junit4] FAILURE 134s | LeaderFailoverAfterPartitionTest.test <<<
[junit4] > Throwable #1: java.lang.AssertionError: Expected 2 of 3 replicas to be active but only found 1; [core_node2:{"core":"c8n_1x3_lf_shard1_replica3","base_url":"http://127.0.0.1:34970/g_/hc","node_name":"127.0.0.1:34970_g_%2Fhc","state":"active","leader":"true"}]; clusterState: DocCollection(c8n_1x3_lf//clusterstate.json/35)={
[junit4] > "replicationFactor":"3",
[junit4] > "shards":{"shard1":{
[junit4] > "range":"80000000-7fffffff",
[junit4] > "state":"active",
[junit4] > "replicas":{
[junit4] > "core_node1":{
[junit4] > "state":"down",
[junit4] > "base_url":"http://127.0.0.1:42251/g_/hc",
[junit4] > "core":"c8n_1x3_lf_shard1_replica1",
[junit4] > "node_name":"127.0.0.1:42251_g_%2Fhc"},
[junit4] > "core_node2":{
[junit4] > "core":"c8n_1x3_lf_shard1_replica3",
[junit4] > "base_url":"http://127.0.0.1:34970/g_/hc",
[junit4] > "node_name":"127.0.0.1:34970_g_%2Fhc",
[junit4] > "state":"active",
[junit4] > "leader":"true"},
[junit4] > "core_node3":{
[junit4] > "core":"c8n_1x3_lf_shard1_replica2",
[junit4] > "base_url":"http://127.0.0.1:44171/g_/hc",
[junit4] > "node_name":"127.0.0.1:44171_g_%2Fhc",
[junit4] > "state":"down"}}}},
[junit4] > "router":{"name":"compositeId"},
[junit4] > "maxShardsPerNode":"1",
[junit4] > "autoAddReplicas":"false"}
[junit4] > at __randomizedtesting.SeedInfo.seed([27CA142284060548:AF9E2BF82AFA68B0]:0)
[junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.testRf3WithLeaderFailover(LeaderFailoverAfterPartitionTest.java:170)
[junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.test(LeaderFailoverAfterPartitionTest.java:57)
[junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:985)
[junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] 2> 134247 INFO (SUITE-LeaderFailoverAfterPartitionTest-seed#[27CA142284060548]-worker) [ ] o.a.s.SolrTestCaseJ4 ###deleteCore
[junit4] 2> NOTE: leaving temporary files on disk at: /home/sarowe/temp/beast-tmp/10/J0/temp/solr.cloud.LeaderFailoverAfterPartitionTest_27CA142284060548-001
[junit4] 2> NOTE: test params are: codec=Asserting(Lucene62): {range_facet_l_dv=PostingsFormat(name=Direct), _version_=PostingsFormat(name=Asserting), multiDefault=FST50, a_t=FST50, intDefault=PostingsFormat(name=Asserting), id=PostingsFormat(name=Direct), range_facet_i_dv=FST50, text=Lucene50(blocksize=128), range_facet_l=FST50, timestamp=FST50}, docValues:{range_facet_l_dv=DocValuesFormat(name=Asserting), range_facet_i_dv=DocValuesFormat(name=Memory), timestamp=DocValuesFormat(name=Memory)}, maxPointsInLeafNode=1656, maxMBSortInHeap=7.964906340293555, sim=RandomSimilarity(queryNorm=false): {}, locale=sr-CS, timezone=Australia/Broken_Hill
[junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_77 (64-bit)/cpus=16,threads=1,free=395881832,total=463470592
[junit4] 2> NOTE: All tests run in this JVM: [LeaderFailoverAfterPartitionTest]
[junit4] Completed [1/1 (1!)] in 135.58s, 1 test, 1 failure <<< FAILURES!
{noformat}
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=E9EB73FAC98EC50A -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=nl-BE -Dtests.timezone=Pacific/Tarawa -Dtests.asserts=true -Dtests.file.encoding=UTF-8
{noformat}
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=A882897C68035FAB -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=ar-YE -Dtests.timezone=Asia/Calcutta -Dtests.asserts=true -Dtests.file.encoding=UTF-8
{noformat}
And finally, 1 failure resulted from no registered leader after waiting 60 seconds - this did not reproduce for me on the first attempt:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=EE7CD84A6ED0B0DF -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=cs -Dtests.timezone=Australia/Sydney -Dtests.asserts=true -Dtests.file.encoding=UTF-8
[junit4] ERROR 653s | LeaderFailoverAfterPartitionTest.test <<<
[junit4] > Throwable #1: org.apache.solr.common.SolrException: No registered leader was found after waiting for 60000ms , collection: c8n_1x3_lf slice: shard1
[junit4] > at __randomizedtesting.SeedInfo.seed([EE7CD84A6ED0B0DF:6628E790C02CDD27]:0)
[junit4] > at org.apache.solr.common.cloud.ZkStateReader.getLeaderRetry(ZkStateReader.java:746)
[junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.testRf3WithLeaderFailover(LeaderFailoverAfterPartitionTest.java:150)
[junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.test(LeaderFailoverAfterPartitionTest.java:57)
[junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:985)
[junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] 2> 652978 INFO (SUITE-LeaderFailoverAfterPartitionTest-seed#[EE7CD84A6ED0B0DF]-worker) [ ] o.a.s.SolrTestCaseJ4 ###deleteCore
[junit4] 2> NOTE: leaving temporary files on disk at: /home/sarowe/temp/beast-tmp/55/J0/temp/solr.cloud.LeaderFailoverAfterPartitionTest_EE7CD84A6ED0B0DF-001
[junit4] 2> Aug 08, 2016 11:41:05 AM com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
[junit4] 2> WARNING: Will linger awaiting termination of 1 leaked thread(s).
[junit4] 2> NOTE: test params are: codec=Asserting(Lucene62): {range_facet_l_dv=PostingsFormat(name=Memory doPackFST= true), _version_=PostingsFormat(name=LuceneVarGapDocFreqInterval), multiDefault=PostingsFormat(name=Direct), a_t=PostingsFormat(name=Direct), intDefault=PostingsFormat(name=LuceneVarGapDocFreqInterval), id=PostingsFormat(name=Memory doPackFST= true), range_facet_i_dv=PostingsFormat(name=Direct), text=Lucene50(blocksize=128), range_facet_l=PostingsFormat(name=Direct), timestamp=PostingsFormat(name=Direct)}, docValues:{range_facet_l_dv=DocValuesFormat(name=Lucene54), range_facet_i_dv=DocValuesFormat(name=Memory), timestamp=DocValuesFormat(name=Memory)}, maxPointsInLeafNode=1380, maxMBSortInHeap=5.763846995834594, sim=ClassicSimilarity, locale=cs, timezone=Australia/Sydney
[junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_77 (64-bit)/cpus=16,threads=1,free=397427336,total=486014976
[junit4] 2> NOTE: All tests run in this JVM: [LeaderFailoverAfterPartitionTest]
[junit4] Completed [1/1 (1!)] in 654.19s, 1 test, 1 error <<< FAILURES!
{noformat}
> LeaderFailoverAfterPartitionTest failures: Connection refused
> -------------------------------------------------------------
>
> Key: SOLR-9390
> URL: https://issues.apache.org/jira/browse/SOLR-9390
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Steve Rowe
>
> In manual testing, I've seen LeaderFailoverAfterPartitionTest fail a couple times, and the seeds reproduce for me:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=49939C8CF78131E7 -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=en-AU -Dtests.timezone=America/Port-au-Prince -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> [junit4] ERROR 65.8s | LeaderFailoverAfterPartitionTest.test <<<
> [junit4] > Throwable #1: org.apache.solr.client.solrj.SolrServerException: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:60401/c8n_1x3_lf_shard1_replica3]
> [junit4] > at __randomizedtesting.SeedInfo.seed([49939C8CF78131E7:C1C7A356597D5C1F]:0)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:774)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1172)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1061)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:997)
> [junit4] > at org.apache.solr.cloud.AbstractFullDistribZkTestBase.sendDocsWithRetry(AbstractFullDistribZkTestBase.java:753)
> [junit4] > at org.apache.solr.cloud.AbstractFullDistribZkTestBase.sendDocsWithRetry(AbstractFullDistribZkTestBase.java:741)
> [junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.testRf3WithLeaderFailover(LeaderFailoverAfterPartitionTest.java:178)
> [junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.test(LeaderFailoverAfterPartitionTest.java:57)
> [junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:985)
> [junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:60401/c8n_1x3_lf_shard1_replica3]
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:393)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:768)
> [junit4] > ... 48 more
> [junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException: Server refused connection at: http://127.0.0.1:60401/c8n_1x3_lf_shard1_replica3
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:615)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:261)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:250)
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:413)
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:382)
> [junit4] > ... 49 more
> [junit4] > Caused by: org.apache.http.conn.HttpHostConnectException: Connect to 127.0.0.1:60401 [/127.0.0.1] failed: Connection refused
> [junit4] > at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
> [junit4] > at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
> [junit4] > at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
> [junit4] > at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
> [junit4] > at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
> [junit4] > at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
> [junit4] > at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
> [junit4] > at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
> [junit4] > at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
> [junit4] > at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:513)
> [junit4] > ... 53 more
> [junit4] > Caused by: java.net.ConnectException: Connection refused
> [junit4] > at java.net.PlainSocketImpl.socketConnect(Native Method)
> [junit4] > at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> [junit4] > at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
> [junit4] > at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> [junit4] > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> [junit4] > at java.net.Socket.connect(Socket.java:589)
> [junit4] > at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
> [junit4] > at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:134)
> [junit4] > ... 63 more
> {noformat}
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=LeaderFailoverAfterPartitionTest -Dtests.method=test -Dtests.seed=FEC05A2EE85F1F0B -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=sr-BA -Dtests.timezone=America/Argentina/Salta -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> [junit4] ERROR 71.2s | LeaderFailoverAfterPartitionTest.test <<<
> [junit4] > Throwable #1: org.apache.solr.client.solrj.SolrServerException: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:36121/c8n_1x3_lf_shard1_replica3]
> [junit4] > at __randomizedtesting.SeedInfo.seed([FEC05A2EE85F1F0B:769465F446A372F3]:0)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:774)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1172)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1061)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:997)
> [junit4] > at org.apache.solr.cloud.AbstractFullDistribZkTestBase.sendDocsWithRetry(AbstractFullDistribZkTestBase.java:753)
> [junit4] > at org.apache.solr.cloud.AbstractFullDistribZkTestBase.sendDocsWithRetry(AbstractFullDistribZkTestBase.java:741)
> [junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.testRf3WithLeaderFailover(LeaderFailoverAfterPartitionTest.java:178)
> [junit4] > at org.apache.solr.cloud.LeaderFailoverAfterPartitionTest.test(LeaderFailoverAfterPartitionTest.java:57)
> [junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:985)
> [junit4] > at org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:960)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[http://127.0.0.1:36121/c8n_1x3_lf_shard1_replica3]
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:393)
> [junit4] > at org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:768)
> [junit4] > ... 48 more
> [junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException: Server refused connection at: http://127.0.0.1:36121/c8n_1x3_lf_shard1_replica3
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:615)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:261)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:250)
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:413)
> [junit4] > at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:382)
> [junit4] > ... 49 more
> [junit4] > Caused by: org.apache.http.conn.HttpHostConnectException: Connect to 127.0.0.1:36121 [/127.0.0.1] failed: Connection refused
> [junit4] > at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
> [junit4] > at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
> [junit4] > at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
> [junit4] > at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
> [junit4] > at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
> [junit4] > at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
> [junit4] > at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
> [junit4] > at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
> [junit4] > at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
> [junit4] > at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
> [junit4] > at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:513)
> [junit4] > ... 53 more
> [junit4] > Caused by: java.net.ConnectException: Connection refused
> [junit4] > at java.net.PlainSocketImpl.socketConnect(Native Method)
> [junit4] > at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
> [junit4] > at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
> [junit4] > at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
> [junit4] > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
> [junit4] > at java.net.Socket.connect(Socket.java:589)
> [junit4] > at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
> [junit4] > at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:134)
> [junit4] > ... 63 more
> {noformat}
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