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From "Madhan Neethiraj (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (RANGER-769) Can't connect to Solr server because of Httpcore issue in HBase
Date Sat, 12 Dec 2015 01:30:46 GMT

    [ https://issues.apache.org/jira/browse/RANGER-769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053919#comment-15053919

Madhan Neethiraj commented on RANGER-769:

[~aneela] Replacing http-*.jar(s) under hbase/lib with newer versions can cause errors in
HBase. The goal of RANGER-586 was to avoid adding libraries to component classpath - due to
potential impact to the component functionality. Instead, the libraries that are needed by
Ranger plugins should be placed in ranger-<type>-plugin-impl directory; the plugin will
load the contents of this directory dynamically at runtime - only in the context of the authorization
calls from the component.

Inline with this approach, the necessary http-* libraries should simply be added to ranger-hbase-plugin-impl
folder. There should be no changes needed to the libraries in hbase/lib directory. Please
let me know if I can help with further details.

> Can't connect to Solr server because of Httpcore issue in HBase
> ---------------------------------------------------------------
>                 Key: RANGER-769
>                 URL: https://issues.apache.org/jira/browse/RANGER-769
>             Project: Ranger
>          Issue Type: Bug
>            Reporter: Aneela Saleem
>            Assignee: Aneela Saleem
> When we install HBase plugin, httpcore is not supplied to HBase lib folder.
> And HBase uses httpcore.4.1.3 version which is not compatible with hhtpclient.4.2.5 that
causes following exception:
>  FATAL [org.apache.ranger.audit.queue.AuditBatchQueue0] destination.SolrAuditDestination:
Can't connect to Solr server. URL=[]
> java.lang.NoSuchFieldError: DEF_CONTENT_CHARSET
>         at org.apache.http.impl.client.DefaultHttpClient.setDefaultHttpParams(DefaultHttpClient.java:175)
>         at org.apache.http.impl.client.DefaultHttpClient.createHttpParams(DefaultHttpClient.java:158)
>         at org.apache.http.impl.client.AbstractHttpClient.getParams(AbstractHttpClient.java:448)
>         at org.apache.solr.client.solrj.impl.HttpClientUtil.setConnectionTimeout(HttpClientUtil.java:267)
>         at org.apache.solr.client.solrj.impl.LBHttpSolrClient.setConnectionTimeout(LBHttpSolrClient.java:460)
>         at org.apache.ranger.audit.destination.SolrAuditDestination.connect(SolrAuditDestination.java:116)
>         at org.apache.ranger.audit.destination.SolrAuditDestination.log(SolrAuditDestination.java:138)
>         at org.apache.ranger.audit.queue.AuditBatchQueue.runDoAs(AuditBatchQueue.java:320)
>         at org.apache.ranger.audit.queue.AuditBatchQueue$1.run(AuditBatchQueue.java:217)
>         at org.apache.ranger.audit.queue.AuditBatchQueue$1.run(AuditBatchQueue.java:215)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:356)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1594)
>         at org.apache.ranger.audit.queue.AuditBatchQueue.run(AuditBatchQueue.java:223)
>         at java.lang.Thread.run(Thread.java:745)

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