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<channel>
    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-38798] shard registry busy-loops in commitTransaction</title>
                <link>https://jira.mongodb.org/browse/SERVER-38798</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If a node is down, the shard registry will hammer retries with no backoff.  This generates so much system log that it overloads logkeeper and makes it difficult to diagnose problems:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard1:secondary1] 2018-12-23T23:49:10.133+0000 I REPL     [replexec-4] Member localhost:20004 is now in state RS_DOWN&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinD&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;ata(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard1:secondary1] 2018-12-23T23:49:10.133+0000 D REPL_HB  [replexec-4] Scheduling heartbeat to localhost:20004 at 2018-12-23T23:49:10.633Z&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;:: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [TransactionCoordinatorService-6] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Connecting to localhost:20004&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Failed to connect to localhost:20004 - HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Dropping all pooled connections to localhost:20004 due to HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinD&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;ata(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [TransactionCoordinatorService-0] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Connecting to localhost:20004&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Failed to connect to localhost:20004 - HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 I ASIO     [ShardRegistry] Dropping all pooled connections to localhost:20004 due to HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.133+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [TransactionCoordinatorService-1] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Connecting to localhost:20004&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Failed to connect to localhost:20004 - HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Dropping all pooled connections to localhost:20004 due to HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [TransactionCoordinatorService-2] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Connecting to localhost:20004&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Failed to connect to localhost:20004 - HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Dropping all pooled connections to localhost:20004 due to HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 D TXN      [TransactionCoordinatorService-5] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.134+0000 I ASIO     [ShardRegistry] Connecting to localhost:20004&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.135+0000 I ASIO     [ShardRegistry] Failed to connect to localhost:20004 - HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.135+0000 I ASIO     [ShardRegistry] Dropping all pooled connections to localhost:20004 due to HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.135+0000 D TXN      [ShardRegistry] Coordinator shard got response {} for { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.135+0000 D TXN      [ShardRegistry] Coordinator shard received a retryable error in response to { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } }from shard shard-rs1 :: caused by :: HostUnreachable: Error connecting to localhost:20004 (127.0.0.1:20004) :: caused by :: Connection refused, resending command.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[ShardedClusterFixture:job0:shard0:primary] 2018-12-23T23:49:10.135+0000 D TXN      [TransactionCoordinatorService-3] Coordinator going to send command { commitTransaction: 1, commitTimestamp: Timestamp(1545608949, 136), lsid: { id: UUID(&quot;c8a55cb6-25f8-4b51-8491-ae9d4735c37e&quot;), uid: BinData(0, E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855) }, txnNumber: 362, autocommit: false, writeConcern: { w: &quot;majority&quot; } } to shard shard-rs1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;This behavior happened in the linked BF, but it&apos;s very difficult to actually download the logs from that failure; I have pasted in a portion of the log here for reference.&lt;/p&gt;</description>
                <environment></environment>
        <key id="662607">SERVER-38798</key>
            <summary>shard registry busy-loops in commitTransaction</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                    </labels>
                <created>Fri, 28 Dec 2018 20:19:12 +0000</created>
                <updated>Wed, 16 Jan 2019 15:28:53 +0000</updated>
                            <resolved>Wed, 16 Jan 2019 15:28:43 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2116923" author="kaloian.manassiev" created="Wed, 16 Jan 2019 15:28:43 +0000"  >&lt;p&gt;The transaction coordinator retry logic was rewritten as part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37880&quot; title=&quot;Add in backoff for retrying sending commit and abort messages&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37880&quot;&gt;&lt;del&gt;SERVER-37880&lt;/del&gt;&lt;/a&gt; and now there will not be busy loop and also there is now &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0cb2195939494660334db8e9d0a52509caeb621c/src/mongo/db/transaction_coordinator_futures_util_test.cpp#L300&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;test&lt;/a&gt; to ensure that no infinite-length chain is crated by the retry loop.&lt;/p&gt;</comment>
                            <comment id="2107240" author="milkie" created="Mon, 7 Jan 2019 16:12:29 +0000"  >&lt;p&gt;I think this also can result in this process crash:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2018-12-07T21:23:53.186+0000 F - [TransactionCoordinatorService-18] Invariant failure depth &amp;lt; kMaxDepth src/mongo/util/future.h 413&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2018-12-07T21:23:53.186+0000 F - [TransactionCoordinatorService-18] &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;***aborting after invariant() failure&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2018-12-07T21:23:53.197+0000 F - [TransactionCoordinatorService-18] Got signal: 6 (Aborted).&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;0x7fb600d49a21 0x7fb600d48c39 0x7fb600d4911d 0x7fb5fd3087e0 0x7fb5fcf97495 0x7fb5fcf98c75 0x7fb5ff2b166d 0x7fb5ff5a2d6f 0x7fb5ff5a3335 0x7fb5ff5c3496 0x7fb5ff5b4a6e 0x7fb600413a05 0x7fb600413fdc 0x7fb6004149c6 0x7fb600e672f0 0x7fb5fd300aa1 0x7fb5fd04dbdd&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;This invariant only fires in debug mode.  It looks like the future system can get overwhelmed when it goes into this tight loop.&lt;/p&gt;</comment>
                            <comment id="2101886" author="milkie" created="Fri, 28 Dec 2018 20:20:39 +0000"  >&lt;p&gt;Note that this particular failure generated 14 log messages per millisecond, for two hours until the test timed out.&lt;/p&gt;</comment>
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