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https://issues.apache.org/jira/browse/KNOX-2762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harshil Jhaveri updated KNOX-2762:
----------------------------------
    Description: 
When giving space before the delimiter for composite.provider.names in 
composite authorisation provider. The topology deployment is failing and 
returning a null pointer exception.
The topology state:

{color:#e8bf6a}<provider>{color}{color:#e8bf6a} 
<role>{color}authorization{color:#e8bf6a}</role>{color}{color:#e8bf6a} 
<name>{color}CompositeAuthz{color:#e8bf6a}</name>{color}{color:#e8bf6a} 
<enabled>{color}true{color:#e8bf6a}</enabled>{color}{color:#e8bf6a} 
<param>{color}{color:#e8bf6a} 
<name>{color}composite.provider.names{color:#e8bf6a}</name>{color}{color:#e8bf6a}
 <value>{color}AclsAuthz 
,XASecurePDPKnox{color:#e8bf6a}</value>{color}{color:#e8bf6a} 
</param>{color}{color:#e8bf6a} <param>{color}{color:#e8bf6a} 
<name>{color}AclsAuthz.ranger.acl{color:#e8bf6a}</name>{color}{color:#e8bf6a} 
<value>*{color}{*};{*}*;*{color:#e8bf6a}</value>{color}{color:#e8bf6a} 
</param>{color}{color:#e8bf6a}</provider>{color}

{color:#e8bf6a}{color:#172b4d}CC: [~pzampino] [~smore] [~smolnar] {color}{color}

  was:
When giving space before the delimiter for composite.provider.names in 
composite authorisation provider. The topology deployment is failing and 
returning a null pointer exception.
The topology state:

{color:#e8bf6a}<provider>
{color}{color:#e8bf6a} <role>{color}authorization{color:#e8bf6a}</role>
{color}{color:#e8bf6a} <name>{color}CompositeAuthz{color:#e8bf6a}</name>
{color}{color:#e8bf6a} <enabled>{color}true{color:#e8bf6a}</enabled>
{color}{color:#e8bf6a} <param>
{color}{color:#e8bf6a} 
<name>{color}composite.provider.names{color:#e8bf6a}</name>
{color}{color:#e8bf6a} <value>{color}AclsAuthz 
,XASecurePDPKnox{color:#e8bf6a}</value>
{color}{color:#e8bf6a} </param>
{color}{color:#e8bf6a} <param>
{color}{color:#e8bf6a} <name>{color}AclsAuthz.ranger.acl{color:#e8bf6a}</name>
{color}{color:#e8bf6a} <value>{color}*;*;*{color:#e8bf6a}</value>
{color}{color:#e8bf6a} </param>
{color}{color:#e8bf6a}</provider>{color}


> Whitespaces around delimiters in composite provider names gives 
> NullPointerException
> ------------------------------------------------------------------------------------
>
>                 Key: KNOX-2762
>                 URL: https://issues.apache.org/jira/browse/KNOX-2762
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: KnoxCLI
>    Affects Versions: 1.6.0
>            Reporter: Harshil Jhaveri
>            Priority: Minor
>         Attachments: NPE gateway log.png
>
>
> When giving space before the delimiter for composite.provider.names in 
> composite authorisation provider. The topology deployment is failing and 
> returning a null pointer exception.
> The topology state:
> {color:#e8bf6a}<provider>{color}{color:#e8bf6a} 
> <role>{color}authorization{color:#e8bf6a}</role>{color}{color:#e8bf6a} 
> <name>{color}CompositeAuthz{color:#e8bf6a}</name>{color}{color:#e8bf6a} 
> <enabled>{color}true{color:#e8bf6a}</enabled>{color}{color:#e8bf6a} 
> <param>{color}{color:#e8bf6a} 
> <name>{color}composite.provider.names{color:#e8bf6a}</name>{color}{color:#e8bf6a}
>  <value>{color}AclsAuthz 
> ,XASecurePDPKnox{color:#e8bf6a}</value>{color}{color:#e8bf6a} 
> </param>{color}{color:#e8bf6a} <param>{color}{color:#e8bf6a} 
> <name>{color}AclsAuthz.ranger.acl{color:#e8bf6a}</name>{color}{color:#e8bf6a} 
> <value>*{color}{*};{*}*;*{color:#e8bf6a}</value>{color}{color:#e8bf6a} 
> </param>{color}{color:#e8bf6a}</provider>{color}
> {color:#e8bf6a}{color:#172b4d}CC: [~pzampino] [~smore] [~smolnar] 
> {color}{color}



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