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From "Greg Lee-Shoy (JIRA)" <j...@apache.org>
Subject [jira] Created: (AXIS2-2899) "Too many open files" exception when hotdeployment set to true, after loading configurationContext multiple times
Date Wed, 04 Jul 2007 03:02:04 GMT
"Too many open files" exception when hotdeployment set to true, after loading configurationContext
multiple times
-----------------------------------------------------------------------------------------------------------------

                 Key: AXIS2-2899
                 URL: https://issues.apache.org/jira/browse/AXIS2-2899
             Project: Axis 2.0 (Axis2)
          Issue Type: Bug
          Components: deployment
    Affects Versions: 1.2
         Environment: Windows XP, 
Sun JRE 1.4.2 or IBM JRE 1.4.2,
running JUnit test from within Eclipse 3.2.2
            Reporter: Greg Lee-Shoy
            Priority: Minor


-When configuration context is loaded about 400 times using createConfigurationContextFromFileSystem(
), and hotdeployment is set to true, the following error occurs: java.io.IOException: Too
many open files.  
-if hotdeployment is set to false, this error does not occur even after loading configurationContext
100,000 times
-if there is a check in getURLsForAllJars() in org.apache.axis2.deployment.util.Utils to see
if a URL has file protocol (and not creating a temp file if it does) the threshold is raised
to 2826 times, after which an OutOfMemoryError occurs.

The JUnit test is:

import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import junit.framework.TestCase;

public class LoadConfigFromFileTest extends TestCase {

	public LoadConfigFromFileTest(String name)
	{
		super(name);
	}
	
	public void testLoadConfig1000Times()
	{
		try
		{
			
			ConfigurationContext configContext = null;
			
			String axis2Conf = "C:\\Java\\axis2\\conf\\axis2.xml";
			String repoDir = "C:\\Java\\axis2";
		
			for( int i = 0; i < 1000; i++)
			{
				System.out.println("Iteration " + i);
				configContext = ConfigurationContextFactory.createConfigurationContextFromFileSystem(
					repoDir, axis2Conf);
				configContext = null;
			}
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
	}
}

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