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Posted to dev@velocity.apache.org by "Robert Brandner (JIRA)" <de...@velocity.apache.org> on 2010/10/15 21:31:35 UTC
[jira] Created: (VELTOOLS-130) ViewToolManager constructor
ViewToolManager(servletContext) throws NPE always
ViewToolManager constructor ViewToolManager(servletContext) throws NPE always
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Key: VELTOOLS-130
URL: https://issues.apache.org/jira/browse/VELTOOLS-130
Project: Velocity Tools
Issue Type: Bug
Components: VelocityView
Affects Versions: 2.0
Environment: Ubuntu 10.10, JDK 1.6.21, Tomcat 6.0.20
Reporter: Robert Brandner
Priority: Minor
Invoking the constructor ViewToolManager(servletContext) always fails with an NPE. The reason for this is, that it invokes super(true, true) before setting the member variable servletContext with the provided servletContext.
The parent class' constructor invokes autoConfigure(true) which invokes ServletUtils.getConfiguration(servletPath). At this moment servletPath can only be null as it is not set yet. And that finally leads to a NPE in the first line of the getConfiguration method:
Object obj = application.getAttribute(CONFIGURATION_KEY);
Workaround: Use a constructor without autoconfiguration and invoke autoConfigure(true) afterwards.
ViewToolManager vm = new ViewToolmanager(servletContext, false, false);
vm.autoConfigure(true);
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[jira] Resolved: (VELTOOLS-130) ViewToolManager constructor
ViewToolManager(servletContext) throws NPE always
Posted by "Nathan Bubna (JIRA)" <de...@velocity.apache.org>.
[ https://issues.apache.org/jira/browse/VELTOOLS-130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Nathan Bubna resolved VELTOOLS-130.
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Resolution: Fixed
Fix Version/s: 2.x
2.0.x
Nice catch. I'm sorry to admit, i've never tried ViewToolManager with autoconfig as true. I just committed a fix. You can build from the trunk or wait for the next release. And no, i don't know when that will be. :)
> ViewToolManager constructor ViewToolManager(servletContext) throws NPE always
> -----------------------------------------------------------------------------
>
> Key: VELTOOLS-130
> URL: https://issues.apache.org/jira/browse/VELTOOLS-130
> Project: Velocity Tools
> Issue Type: Bug
> Components: VelocityView
> Affects Versions: 2.0
> Environment: Ubuntu 10.10, JDK 1.6.21, Tomcat 6.0.20
> Reporter: Robert Brandner
> Priority: Minor
> Fix For: 2.0.x, 2.x
>
>
> Invoking the constructor ViewToolManager(servletContext) always fails with an NPE. The reason for this is, that it invokes super(true, true) before setting the member variable servletContext with the provided servletContext.
> The parent class' constructor invokes autoConfigure(true) which invokes ServletUtils.getConfiguration(servletPath). At this moment servletPath can only be null as it is not set yet. And that finally leads to a NPE in the first line of the getConfiguration method:
> Object obj = application.getAttribute(CONFIGURATION_KEY);
> Workaround: Use a constructor without autoconfiguration and invoke autoConfigure(true) afterwards.
> ViewToolManager vm = new ViewToolmanager(servletContext, false, false);
> vm.autoConfigure(true);
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