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https://issues.apache.org/jira/browse/SOLR-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169515#comment-14169515
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ASF subversion and git services commented on SOLR-6592:
-------------------------------------------------------
Commit 1631467 from [~thelabdude] in branch 'dev/trunk'
[ https://svn.apache.org/r1631467 ]
SOLR-6592: add mention in solr/CHANGES.txt
> Re-try loop in the ZkController.waitForLeaderToSeeDownState method hangs unit
> test when leader is gone
> ------------------------------------------------------------------------------------------------------
>
> Key: SOLR-6592
> URL: https://issues.apache.org/jira/browse/SOLR-6592
> Project: Solr
> Issue Type: Bug
> Reporter: Timothy Potter
> Assignee: Timothy Potter
> Attachments: SOLR-6592.patch
>
>
> HttpPartitionTest is failing due to a ThreadLeakError, which I believe is
> because the re-try loop in ZkController.waitForLeaderToSeeDownState is coded
> to take upwards of 12 minutes to fail (2 minutes socket timeout, 6 max
> retries). The code should be improved to stop trying if the leader is gone,
> which seems to be the case here (maybe). At the very least, need to figure
> out how to avoid this ThreadLeakError.
> Build: http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Linux/11234/
> Java: 64bit/jdk1.8.0_40-ea-b04 -XX:+UseCompressedOops -XX:+UseG1GC
> 2 tests failed.
> FAILED: junit.framework.TestSuite.org.apache.solr.cloud.HttpPartitionTest
> Error Message:
> 1 thread leaked from SUITE scope at org.apache.solr.cloud.HttpPartitionTest:
> 1) Thread[id=8655, name=Thread-2764, state=RUNNABLE,
> group=TGRP-HttpPartitionTest] at
> java.net.SocketInputStream.socketRead0(Native Method) at
> java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at
> java.net.SocketInputStream.read(SocketInputStream.java:170) at
> java.net.SocketInputStream.read(SocketInputStream.java:141) at
> org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:160)
> at
> org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:84)
> at
> org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:273)
> at
> org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140)
> at
> org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
> at
> org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:260)
> at
> org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283)
> at
> org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:251)
> at
> org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:197)
> at
> org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271)
> at
> org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
> at
> org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682)
> at
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486)
> at
> org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:466)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:215)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:211)
> at
> org.apache.solr.cloud.ZkController.waitForLeaderToSeeDownState(ZkController.java:1623)
> at
> org.apache.solr.cloud.ZkController.registerAllCoresAsDown(ZkController.java:422)
> at
> org.apache.solr.cloud.ZkController.access$100(ZkController.java:93)
> at org.apache.solr.cloud.ZkController$1.command(ZkController.java:261)
> at
> org.apache.solr.common.cloud.ConnectionManager$1$1.run(ConnectionManager.java:166)
> Stack Trace:
> com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from
> SUITE scope at org.apache.solr.cloud.HttpPartitionTest:
> 1) Thread[id=8655, name=Thread-2764, state=RUNNABLE,
> group=TGRP-HttpPartitionTest]
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
> at java.net.SocketInputStream.read(SocketInputStream.java:170)
> at java.net.SocketInputStream.read(SocketInputStream.java:141)
> at
> org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:160)
> at
> org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:84)
> at
> org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:273)
> at
> org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140)
> at
> org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
> at
> org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:260)
> at
> org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283)
> at
> org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:251)
> at
> org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:197)
> at
> org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271)
> at
> org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
> at
> org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682)
> at
> org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486)
> at
> org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:466)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:215)
> at
> org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:211)
> at
> org.apache.solr.cloud.ZkController.waitForLeaderToSeeDownState(ZkController.java:1623)
> at
> org.apache.solr.cloud.ZkController.registerAllCoresAsDown(ZkController.java:422)
> at org.apache.solr.cloud.ZkController.access$100(ZkController.java:93)
> at org.apache.solr.cloud.ZkController$1.command(ZkController.java:261)
> at
> org.apache.solr.common.cloud.ConnectionManager$1$1.run(ConnectionManager.java:166)
> at __randomizedtesting.SeedInfo.seed([BE8A2D1EED13DDED]:0)
> FAILED: junit.framework.TestSuite.org.apache.solr.cloud.HttpPartitionTest
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