Siddharth Ahuja created YARN-10207:
--------------------------------------
Summary: CLOSE_WAIT socket connection leaks during rendering of
(corrupted) aggregated logs on the JobHistoryServer Web UI
Key: YARN-10207
URL: https://issues.apache.org/jira/browse/YARN-10207
Project: Hadoop YARN
Issue Type: Bug
Components: yarn
Reporter: Siddharth Ahuja
Issue reproduced using the following steps:
# Ran a sample Hadoop MR Pi job, it had the id - application_1582676649923_0026.
# Copied an aggregated log file from HDFS to local FS:
{code}
hdfs dfs -get
/tmp/logs/systest/logs/application_1582676649923_0026/<nm_hostname>_8041
{code}
# Updated the TFile metadata at the bottom of this file with some junk to
corrupt the file :
*Before:*
{code}
^@^GVERSION*(^@&container_1582676649923_0026_01_000003^F^Dnone^A^Pª5²ª5²^C^Qdata:BCFile.index^Dnoneª5þ^M^M^Pdata:TFile.index^Dnoneª5È66^Odata:TFile.meta^Dnoneª5Â^F^F^@^@^@^@^@^B6^K^@^A^@^@Ñ^QÓh<91>µ×¶9ßA@<92>ºáP
{code}
*After:*
{code}
^@^GVERSION*(^@&container_1582676649923_0026_01_000003^F^Dnone^A^Pª5²ª5²^C^Qdata:BCFile.index^Dnoneª5þ^M^M^Pdata:TFile.index^Dnoneª5È66^Odata:TFile.meta^Dnoneª5Â^F^F^@^@^@^@^@^B6^K^@^A^@^@Ñ^QÓh<91>µ×¶9ßA@<92>ºáPblah
{code}
Notice "blah" added at the very end.
# Remove the existing aggregated log file that will need to be replaced by our
modified copy from step 3 (as otherwise HDFS will prevent it from placing the
file with the same name as it already exists):
{code}
hdfs dfs -rm -r -f
/tmp/logs/systest/logs/application_1582676649923_0026/<nm_hostname>_8041
{code}
# Upload the corrupted aggregated file back to HDFS:
{code}
hdfs dfs -put <nm_hostname>_8041
/tmp/logs/systest/logs/application_1582676649923_0026
{code}
# Visit HistoryServer Web UI
# Click on job_1582676649923_0026
# Click on "logs" link against the AM (assuming the AM ran on nm_hostname)
# Review the JHS logs, following exception will be seen:
{code}
2020-03-24 20:03:48,484 ERROR
org.apache.hadoop.yarn.webapp.View: Error getting logs for
job_1582676649923_0026
java.io.IOException: Not a valid BCFile.
at
org.apache.hadoop.io.file.tfile.BCFile$Magic.readAndVerify(BCFile.java:927)
at
org.apache.hadoop.io.file.tfile.BCFile$Reader.<init>(BCFile.java:628)
at
org.apache.hadoop.io.file.tfile.TFile$Reader.<init>(TFile.java:804)
at
org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogReader.<init>(AggregatedLogFormat.java:588)
at
org.apache.hadoop.yarn.logaggregation.filecontroller.tfile.TFileAggregatedLogsBlock.render(TFileAggregatedLogsBlock.java:111)
at
org.apache.hadoop.yarn.logaggregation.filecontroller.tfile.LogAggregationTFileController.renderAggregatedLogsBlock(LogAggregationTFileController.java:341)
at
org.apache.hadoop.yarn.webapp.log.AggregatedLogsBlock.render(AggregatedLogsBlock.java:117)
at
org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
at
org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
at
org.apache.hadoop.yarn.webapp.View.render(View.java:235)
at
org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
at
org.apache.hadoop.yarn.webapp.hamlet2.HamletImpl$EImp._v(HamletImpl.java:117)
at
org.apache.hadoop.yarn.webapp.hamlet2.Hamlet$TD.__(Hamlet.java:848)
at
org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:71)
at
org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82)
at
org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:212)
at
org.apache.hadoop.mapreduce.v2.hs.webapp.HsController.logs(HsController.java:202)
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
org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:162)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at
com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
at
com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
at
com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
at
com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
at
com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:941)
at
com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:875)
at
com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:829)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
at
com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
at
com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
at
com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
at
com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
at
com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
at
org.apache.hadoop.security.http.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:57)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
at
org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:110)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
at
org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1553)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
at
org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
at
org.eclipse.jetty.server.Server.handle(Server.java:539)
at
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
at
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
at
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:259)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
at
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
at
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:748)
{code}
# Run lsof -p 13224 | grep CLOSE_WAIT
{code}
java 13224 mapred 231u IPv4 138429719 0t0
TCP nm_hostname:53040-><datanode_hostname>:9866 (CLOSE_WAIT)
{code}
where 9866 is the Datanode port in my cluster.
As long as I repeat 6a & 6b, the CLOSE_WAIT instances keep increasing.
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