[ https://issues.apache.org/jira/browse/HTTPCORE-631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098831#comment-17098831 ]
ASF subversion and git services commented on HTTPCORE-631: ---------------------------------------------------------- Commit 425e5b4feeb4549889dbd3dc0d8e2fffdafc110d in httpcomponents-core's branch refs/heads/HTTPCORE-631 from Oleg Kalnichevski [ https://gitbox.apache.org/repos/asf?p=httpcomponents-core.git;h=425e5b4 ] HTTPCORE-631: Revised i/o reactor shutdown sequence and resource de-allocation > HttpAsyncClient 5.0 file descriptor leak > ---------------------------------------- > > Key: HTTPCORE-631 > URL: https://issues.apache.org/jira/browse/HTTPCORE-631 > Project: HttpComponents HttpCore > Issue Type: Bug > Components: HttpCore NIO > Affects Versions: 5.0 > Reporter: Ben Tindall > Priority: Minor > Fix For: 5.0.1 > > Attachments: apacheleaktest.tar > > > It seems that HttpAsyncClient doesn't close all its file descriptors with the > close() operation. Consider the following test: > {code:java} > @Test > public void leakApache() throws Exception { > for (int i = 0; i < 10000; i++) { > CloseableHttpAsyncClient client = null; > try { > client = HttpAsyncClientBuilder.create().build(); > System.out.println(i); > } catch (Throwable e) { > e.printStackTrace(); > } finally { > if (client != null) > client.close(); > } > Thread.sleep(10); > } > Thread.sleep(300000); > } > {code} > After around 280 iterations I start seeing this error message > (java.io.IOException: *Too many open files*): > {code:java} > java.lang.IllegalStateException: Unexpected failure opening I/O selector > at > org.apache.hc.core5.reactor.AbstractSingleCoreIOReactor.<init>(AbstractSingleCoreIOReactor.java:60) > at > org.apache.hc.core5.reactor.SingleCoreIOReactor.<init>(SingleCoreIOReactor.java:81) > at > org.apache.hc.core5.reactor.DefaultConnectingIOReactor.<init>(DefaultConnectingIOReactor.java:71) > at > org.apache.hc.client5.http.impl.async.HttpAsyncClientBuilder.build(HttpAsyncClientBuilder.java:924) > at com.mimecast.micro.rest.BenTest.leakApache(BenTest.java:77) > 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) > at > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > at org.junit.runner.JUnitCore.run(JUnitCore.java:137) > at > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) > at > com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) > at > com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230) > at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58) > Caused by: java.io.IOException: Too many open files > at sun.nio.ch.IOUtil.makePipe(Native Method) > at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:84) > at > sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:42) > at java.nio.channels.Selector.open(Selector.java:227) > at > org.apache.hc.core5.reactor.AbstractSingleCoreIOReactor.<init>(AbstractSingleCoreIOReactor.java:58) > ... 26 more {code} > If I run lsof i see around 10k files. These files do not get released until > the whole test closes. > Is there something I'm missing? > Thanks, > Ben -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@hc.apache.org For additional commands, e-mail: dev-h...@hc.apache.org