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https://issues.apache.org/jira/browse/FELIX-4995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Valentin Valchev resolved FELIX-4995.
-------------------------------------
Resolution: Fixed
Assignee: Valentin Valchev
Fix Version/s: webconsole-4.2.12
fixed in svn commit: r1694628
> NPE when updating Apache Felix OSGi Management Console configuration without
> a password
> ---------------------------------------------------------------------------------------
>
> Key: FELIX-4995
> URL: https://issues.apache.org/jira/browse/FELIX-4995
> Project: Felix
> Issue Type: Bug
> Components: Web Console
> Affects Versions: webconsole-4.2.10
> Reporter: Valentin Valchev
> Assignee: Valentin Valchev
> Fix For: webconsole-4.2.12
>
>
> The following exception occurs, when you try to save the webconsole
> configuration from the web console config plugin:
> {code}
> java.lang.NullPointerException
>
> java.security.MessageDigest$Delegate(java.security.MessageDigest).update(byte[])
> line: 293
>
> java.security.MessageDigest$Delegate(java.security.MessageDigest).digest(byte[])
> line: 368
>
> org.apache.felix.webconsole.internal.servlet.Password.hashPassword(byte[],
> java.lang.String) line: 178
>
> org.apache.felix.webconsole.internal.servlet.Password.hashPassword(java.lang.String,
> byte[]) line: 118
>
> org.apache.felix.webconsole.internal.servlet.Password.hashPassword(java.lang.String)
> line: 77
> {code}
> The implementation obviously expects password to be always set.
> However initially the configuration doesn't exist and when you create it with
> web console, the password is not set yet.
> However, if you do not edit the password in the configuration dialog, it is
> set to a PASSWORD_PLACEHOLDER_VALUE = "unmodifed".
> Then the following code becomes the reason of the problem, because of the
> incorrect assumption:
> {code}
> // assumption: config is not null and as a non-null password String property
> final String pwd = ( String ) config.get( OsgiManager.PROP_PASSWORD );
> final String hashedPassword = Password.hashPassword( pwd );
> {code}
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