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fix possible NPE when restarting a tomcat with serialized session 

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1443484 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Olivier Lamy 2013-02-07 14:03:07 +00:00
parent 9c07475c30
commit 9ff7c33332
1 changed files with 24 additions and 6 deletions
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20
archiva-modules/archiva-web/archiva-webdav/src/main/java/org/apache/archiva/webdav/util/TemporaryGroupIndexSessionCleaner.java
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@ -50,12 +50,19 @@ public class TemporaryGroupIndexSessionCleaner
public void sessionCreated( HttpSessionEvent httpSessionEvent )
{
// ensure the map is here to avoid NPE
if ( httpSessionEvent.getSession().getAttribute( TEMPORARY_INDEX_SESSION_KEY ) == null )
{
httpSessionEvent.getSession().setAttribute( TEMPORARY_INDEX_SESSION_KEY,
new HashMap<String, TemporaryGroupIndex>() );
}
if ( indexMerger == null )
{
WebApplicationContext webApplicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(
httpSessionEvent.getSession().getServletContext() );
indexMerger = webApplicationContext.getBean( IndexMerger.class );
}
}
public void sessionDestroyed( HttpSessionEvent httpSessionEvent )
{
@ -67,8 +74,19 @@ public class TemporaryGroupIndexSessionCleaner
{
log.info( "cleanup temporaryGroupIndex {} directory {}", temporaryGroupIndex.getIndexId(),
temporaryGroupIndex.getDirectory().getAbsolutePath() );
indexMerger.cleanTemporaryGroupIndex( temporaryGroupIndex );
getIndexMerger( httpSessionEvent ).cleanTemporaryGroupIndex( temporaryGroupIndex );
}
}
private IndexMerger getIndexMerger( HttpSessionEvent httpSessionEvent )
{
if ( indexMerger == null )
{
WebApplicationContext webApplicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(
httpSessionEvent.getSession().getServletContext() );
indexMerger = webApplicationContext.getBean( IndexMerger.class );
}
return indexMerger;
}
}