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https://issues.apache.org/jira/browse/SOLR-12265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16470531#comment-16470531
]
Varun Thacker commented on SOLR-12265:
--------------------------------------
The pom.xml explains this
{code:java}
<project xmlns="http://maven.apache.org/POM/4.0.0"; ...
<artifactId>jetty-start</artifactId>
...
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<createSourcesJar>true</createSourcesJar>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>shaded</shadedClassifierName>
<filters>
<filter>
<artifact>org.eclipse.jetty:jetty-util</artifact>
<includes>
<include>org/eclipse/jetty/util/JavaVersion*</include>
<include>org/eclipse/jetty/util/TopologicalSort*</include>
</includes>
</filter>
</filters>
<relocations>
<relocation>
<pattern>org.eclipse.jetty.util</pattern>
<shadedPattern>org.eclipse.jetty.start.shaded.util</shadedPattern>
</relocation>
</relocations>
...
</project>{code}
> Upgrade Jetty to 9.4.10
> -----------------------
>
> Key: SOLR-12265
> URL: https://issues.apache.org/jira/browse/SOLR-12265
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Priority: Major
> Fix For: 7.4, master (8.0)
>
> Attachments: SOLR-12265.patch
>
>
> Solr 7.3 upgraded to Jetty 9.4.8
> We're seeing this WARN very sporadically ( maybe one in every 100k requests )
> on the replica when indexing.
> {code:java}
> date time WARN [qtp768306356-580185] ? (:) -
> java.nio.channels.ReadPendingException: null
> at org.eclipse.jetty.io.FillInterest.register(FillInterest.java:58)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.io.AbstractEndPoint.fillInterested(AbstractEndPoint.java:353)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.io.AbstractConnection.fillInterested(AbstractConnection.java:134)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
> ~[jetty-server-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:289)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:149)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
> ~[jetty-io-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
> ~[jetty-util-9.4.8.v20171121.jar:9.4.8.v20171121]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0-zing_17.11.0.0]
> date time WARN [qtp768306356-580185] ? (:) - Read pending for
> org.eclipse.jetty.server.HttpConnection$BlockingReadCallback@2e98df28
> prevented AC.ReadCB@424271f8{HttpConnection@424271f8[p=HttpParser{s=START,0
> of
> -1},g=HttpGenerator@424273ae{s=START}]=>HttpChannelOverHttp@4242713d{r=141,c=false,a=IDLE,uri=null}<-DecryptedEndPoint@4242708d{/host:52824<->/host:port,OPEN,fill=FI,flush=-,to=1/86400}->HttpConnection@424271f8[p=HttpParser{s=START,0
> of -1},g=HttpGenerator@424273ae{s=START}]=>{code}
> When this happens the leader basically waits till it get's a
> SocketTimeoutException and then puts the replica into recovery.
> My motivation for upgrading to Jetty 9.4.9 is that the EatWhatYouKill was
> introduced in Jetty 9.4.x . I don't believe we saw this error in Jetty 9.3.x
> and then in Jetty 9.4.9 this class has undergone quite a few changes
> [https://github.com/eclipse/jetty.project/commit/0cb4f5629dca082eec943b94ec8ef4ca0d5f1aa4#diff-ae450a12d4eca85a437bd5082f698f48]
> .
>
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