BitnamiでpearのDBライブラリがインストールできない

【環境】
Windows10
Bitnami redmine-3.3.1-0

【やりたいこと】
pearでDBライブラリをインストールしたい。

【現在の事象】
リストは下記のような感じ。

bash
1C:\Bitnami\redmine-3.3.1-0>pear list
2INSTALLED PACKAGES, CHANNEL PEAR.PHP.NET:
3=========================================
4PACKAGE          VERSION STATE
5Archive_Tar      1.3.7   stable
6Console_Getopt   1.3.1   stable
7Console_Table    1.1.4   stable
8Mail             1.2.0   stable
9Net_SMTP         1.6.1   stable
10Net_Socket       1.0.10  stable
11Structures_Graph 1.0.4   stable

DBをインストールしようとすると下記のようになります。

bash
1C:\Bitnami\redmine-3.3.1-0>pear install DB
2WARNING: "pear/DB" is deprecated in favor of "pear/MDB2"
3WARNING: "pear/Console_Getopt" is deprecated in favor of "pear/Console_GetoptPlus"
4pear/PEAR requires package "pear/Archive_Tar" (version >= 1.4.0), installed version is 1.3.7
5pear/PEAR requires package "pear/Structures_Graph" (recommended version 1.1.1), installed version is 1.0.4
6pear/PEAR requires package "pear/Console_Getopt" (recommended version 1.4.1), installed version is 1.3.1
7pear/DB requires package "pear/PEAR" (version >= 1.10.0)
8downloading XML_Util-1.3.0.tgz ...
9Starting to download XML_Util-1.3.0.tgz (17,351 bytes)
10......done: 17,351 bytes
11could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\XML_Util-1.3.0.tgz"
12Download of "pear/XML_Util" succeeded, but it is not a valid package archive
13Error: cannot download "pear/XML_Util"
14Download failed
15install failed

upgradeが必要かと思って実行したのですが、できませんでした。

bash
1C:\Bitnami\redmine-3.3.1-0>pear upgrade PEAR
2WARNING: "pear/Console_Getopt" is deprecated in favor of "pear/Console_GetoptPlus"
3downloading PEAR-1.10.1.tgz ...
4Starting to download PEAR-1.10.1.tgz (296,139 bytes)
5.............................................................done: 296,139 bytes
6could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\PEAR-1.10.1.tgz"
7Download of "pear/PEAR" succeeded, but it is not a valid package archive
8Error: cannot download "pear/PEAR"
9downloading Archive_Tar-1.4.2.tgz ...
10Starting to download Archive_Tar-1.4.2.tgz (20,624 bytes)
11...done: 20,624 bytes
12could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\Archive_Tar-1.4.2.tgz"
13Download of "pear/Archive_Tar" succeeded, but it is not a valid package archive
14Error: cannot download "pear/Archive_Tar"
15downloading Structures_Graph-1.1.1.tgz ...
16Starting to download Structures_Graph-1.1.1.tgz (12,579 bytes)
17...done: 12,579 bytes
18could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\Structures_Graph-1.1.1.tgz"
19Download of "pear/Structures_Graph" succeeded, but it is not a valid package archive
20Error: cannot download "pear/Structures_Graph"
21downloading Console_Getopt-1.4.1.tgz ...
22Starting to download Console_Getopt-1.4.1.tgz (5,672 bytes)
23...done: 5,672 bytes
24could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\Console_Getopt-1.4.1.tgz"
25Download of "pear/Console_Getopt" succeeded, but it is not a valid package archive
26Error: cannot download "pear/Console_Getopt"
27downloading XML_Util-1.3.0.tgz ...
28Starting to download XML_Util-1.3.0.tgz (17,351 bytes)
29...done: 17,351 bytes
30could not extract the package.xml file from "C:\Bitnami\redmine-3.3.1-0\php\pear\download\XML_Util-1.3.0.tgz"
31Download of "pear/XML_Util" succeeded, but it is not a valid package archive
32Error: cannot download "pear/XML_Util"
33Download failed
34upgrade failed