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https://issues.apache.org/jira/browse/YARN-6321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905372#comment-15905372
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Jason Lowe commented on YARN-6321:
----------------------------------
Sample stacktrace from a timeout:
{noformat}
java.lang.Exception: test timed out after 1000 milliseconds
at java.util.zip.Inflater.inflateBytes(Native Method)
at java.util.zip.Inflater.inflate(Inflater.java:259)
at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:152)
at sun.misc.Resource.getBytes(Resource.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:462)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
at java.lang.Class.getConstructor0(Class.java:3075)
at java.lang.Class.getConstructor(Class.java:1825)
at
org.apache.hadoop.yarn.factories.impl.pb.RecordFactoryPBImpl.newRecordInstance(RecordFactoryPBImpl.java:62)
at org.apache.hadoop.yarn.util.Records.newRecord(Records.java:36)
at
org.apache.hadoop.yarn.api.records.Resource.newInstance(Resource.java:68)
at
org.apache.hadoop.yarn.util.resource.TestResources.createResource(TestResources.java:28)
at
org.apache.hadoop.yarn.util.resource.TestResources.testCompareToWithNoneResource(TestResources.java:43)
{noformat}
Clearly the test is just doing startup-related classpath stuff which happened
to take a bit longer than normal.
> TestResources test timeouts are too aggressive
> ----------------------------------------------
>
> Key: YARN-6321
> URL: https://issues.apache.org/jira/browse/YARN-6321
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Reporter: Jason Lowe
>
> TestResources is using 1 second timeouts which can cause a spurious test
> failure when the test machine hits an I/O hiccup or other temporary slowness.
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