[jira] Created: (JSPWIKI-610) Too fast shutdown causes hang

[Janne Jalkanen (JIRA)]

Too fast shutdown causes hang
-----------------------------

                 Key: JSPWIKI-610
                 URL: https://issues.apache.org/jira/browse/JSPWIKI-610
             Project: JSPWiki
          Issue Type: Bug
          Components: Core & storage
    Affects Versions: 3.0
         Environment: OSX 10.5.8, 2.4 GHz Core2Duo.
            Reporter: Janne Jalkanen
            Priority: Minor


Running WikiEngine.shutdown() too fast after WikiEngine initialization causes 
it to hang.  Sample code.

{code}
        WikiEngine engine = null;
        try
        {
            engine = WikiEngine.getInstance( new MockServletContext("JSPWiki"), 
props );
        }
        catch( Exception e )
        {
            System.err.println("Error starting JSPWiki: "+e.getMessage());
            e.printStackTrace( System.err );
            System.exit(5);
        }

//        Thread.sleep(10);
        
        try
        {
            ContentManager mgr = engine.getContentManager();
        }
        finally
        {
            engine.shutdown();
        }
        
{code}

Depending on whether the Thread.sleep() is commented in or out this hangs or 
passes.  My guess is that it's a race condition with some of the Threads that 
we start.

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