[ 
https://issues.apache.org/jira/browse/HDFS-15929?focusedWorklogId=573536&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-573536
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ASF GitHub Bot logged work on HDFS-15929:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 29/Mar/21 14:48
            Start Date: 29/Mar/21 14:48
    Worklog Time Spent: 10m 
      Work Description: GauthamBanasandra commented on pull request #2826:
URL: https://github.com/apache/hadoop/pull/2826#issuecomment-809441562


   This PR fixes some warnings reported as part of 
https://github.com/apache/hadoop/pull/2792.


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 573536)
    Time Spent: 50m  (was: 40m)

> Replace RAND_pseudo_bytes in util.cc
> ------------------------------------
>
>                 Key: HDFS-15929
>                 URL: https://issues.apache.org/jira/browse/HDFS-15929
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: libhdfs++
>    Affects Versions: 3.4.0
>            Reporter: Gautham Banasandra
>            Assignee: Gautham Banasandra
>            Priority: Critical
>              Labels: pull-request-available
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> RAND_pseudo_bytes was deprecated in OpenSSL 1.1.1. We get the following 
> warning during compilation that it's deprecated -
> {code}
> /mnt/c/Users/Gautham/projects/apache/wsl/hadoop/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc:
>  In function ‘std::string hdfs::GetRandomClientName()’:
> /mnt/c/Users/Gautham/projects/apache/wsl/hadoop/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc:78:31:
>  warning: ‘int RAND_pseudo_bytes(unsigned char*, int)’ is deprecated 
> [-Wdeprecated-declarations]
>    78 |   RAND_pseudo_bytes(&buf[0], 8);
>       |                               ^
> In file included from /usr/include/openssl/e_os2.h:13,
>                  from /usr/include/openssl/ossl_typ.h:19,
>                  from /usr/include/openssl/rand.h:14,
>                  from 
> /mnt/c/Users/Gautham/projects/apache/wsl/hadoop/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.h:29,
>                  from 
> /mnt/c/Users/Gautham/projects/apache/wsl/hadoop/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc:19:
> /usr/include/openssl/rand.h:44:1: note: declared here
>    44 | DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
>       | ^~~~~~~~~~~~~~~~~~
> /mnt/c/Users/Gautham/projects/apache/wsl/hadoop/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/util.cc:78:31:
>  warning: ‘int RAND_pseudo_bytes(unsigned char*, int)’ is deprecated 
> [-Wdeprecated-declarations]
>    78 |   RAND_pseudo_bytes(&buf[0], 8);
>       |                               ^
> {code}



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