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Today I tried installing Symfony plugin dbFusionChartsPlugin but the install failed with following errors.

>> pear      symfony/dbFusionChartPlugin requires package
>> pear      "symfony/dbFusionChartPlugin" (version >= 0.8.1, version <=
>> pear      1.1.0, excluded versions: 1.1.0), downloaded version is 0.0.4
>> pear      No valid packages found

So I downloaded the package file dbFusionChartPlugin-0.0.4.tgz and untarred it. I tried peeping into code and found that the creator has created .tgz with a faulty package file. When I tried to package it again, I got an error:

$ pear package
Unable to open package.xml
Cannot package, errors in package file

Which I fixed by moving package-dbFusionChartPlugin.xml to package.xml file.

Next I tried again to package the plugin. This time I got different errors:

$ pear package
Error: <contents> can only contain <dir>, contains <file>.
Use <dir name="/"> as the first dir element
Parsing of package.xml from file "package.xml" failed
Cannot package, errors in package file

The content section is not populated with exact directory structure. So I fixed it by adding it to package.xml file and tried to package it again. pear reported few more errors:

Notice: Uninitialized string offset:  0 in PEAR/PackageFile/v2/Validator.php on line 1087
Error: Channel validator error: field "date" - invalid release date "[automatic]"
Error: Channel validator error: field "name" - package name "[automatic]" is invalid

After fixing all those errors I packaged the plugin again into .tgz file and executed command:

$ pear package

This time it packaged the plugin without any problems. Next I installed this plugin and everything went smoothly. The installation command was:

$ php symfony plugin-install /absolute/path/to/plugin/dbFusionChartPlugin-0.0.4.tgz

This package.xml file I used after fixing errors.

Summary

Download plugin package file dbFusionChartPlugin-0.0.4.tgz and untar it.

tar xzf dbFusionChartPlugin-0.0.4.tgzdbFusionChartPlugin-0.0.4

It will create a new directory called dbFusionChartPlugin-0.0.4 containing all plugin files.

Change to directory

$ cd dbFusionChartPlugin-0.0.4

Remove package-dbFusionChartPlugin.xml file

$ rm package-dbFusionChartPlugin.xml

Download this package.xml file and place it in dbFusionChartPlugin-0.0.4 directory

Package the plugin again using command while in directory dbFusionChartPlugin-0.0.4

$ pear package

This will create dbFusionChartPlugin-0.0.4.tgz in dbFusionChartPlugin-0.0.4 directory.

Change to your project directory and install plugin using command:

$ php symfony plugin-install /path/to/new/dbFusionChartPlugin-0.0.4.tgz

And you are good to go.