[
https://issues.apache.org/jira/browse/MAPREDUCE-6173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Junping Du updated MAPREDUCE-6173:
----------------------------------
Attachment: MAPREDUCE-6173.patch
> Document the configuration of deploying MR over distributed cache with
> enabling wired encryption at the same time
> -----------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6173
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6173
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: distributed-cache, documentation
> Affects Versions: 2.6.0
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: MAPREDUCE-6173.patch, Screen Shot for MAPREDUCE-6173.png
>
>
> Use the current documented configuration (specified in
> http://hadoop.apache.org/docs/stable/hadoop-mapreduce-client/hadoop-mapreduce-client-core/DistributedCacheDeploy.html)
> to work with the cluster enabling shuffle encryption
> (http://hadoop.apache.org/docs/stable/hadoop-mapreduce-client/hadoop-mapreduce-client-core/EncryptedShuffle.html)
> will cause the job failed with exception below:
> {noformat}
> 2014-10-10 02:17:16,600 WARN [fetcher#1]
> org.apache.hadoop.mapreduce.task.reduce.Fetcher: Failed to connect to
> tassapol-centos5nano1-3.cs1cloud.internal:13562 with 1 map outputs
> javax.net.ssl.SSLHandshakeException:
> sun.security.validator.ValidatorException: PKIX path building failed:
> sun.security.provider.certpath.SunCertPathBuilderException: unable to find
> valid certification path to requested target
> at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1731)
> at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:241)
> at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:235)
> at
> com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1206)
> at
> com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:136)
> at
> com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:593)
> at
> com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:529)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:925)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1170)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1197)
> at
> com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1181)
> at
> sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:434)
> at
> sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.setNewClient(AbstractDelegateHttpsURLConnection.java:81)
> at
> sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.setNewClient(AbstractDelegateHttpsURLConnection.java:61)
> at
> sun.net.www.protocol.http.HttpURLConnection.writeRequests(HttpURLConnection.java:584)
> at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1193)
> at
> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:379)
> at
> sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:318)
> at
> org.apache.hadoop.mapreduce.task.reduce.Fetcher.verifyConnection(Fetcher.java:427)
> {noformat}
> This is due to ssl-client.xml is not included in MR tar ball when we deploy
> it over distributed cache. Putting the ssl-client.xml on CLASSPATH of MR job
> can resolve the problem and we should document it.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
