[jira] [Created] (KARAF-3122) Blueprint bean loaded multiple times

["Krzysztof Sobkowiak (JIRA)" <ji...@apache.org>]

Krzysztof Sobkowiak created KARAF-3122:
------------------------------------------

             Summary: Blueprint bean loaded multiple times
                 Key: KARAF-3122
                 URL: https://issues.apache.org/jira/browse/KARAF-3122
             Project: Karaf
          Issue Type: Bug
    Affects Versions: 2.3.6
            Reporter: Krzysztof Sobkowiak
         Attachments: test.jar, test.xml

The attached jar contains following class

{code}
package com;
public class Test {
   public void init() throws Exception { System.out.println("Starting ..."); }
}
{code}
 
The attached blueprint file initializes the bean using the {{init}} method. If the both files are deployed using hot deploy, the method {{init}} seems to be called twice after Karaf restart.

{code}
karaf@root> Starting ...
Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
Compiler warnings:
  WARNING:  'org.apache.xerces.jaxp.SAXParserImpl: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.'
Starting ...
{code}

After deleting the {{data}} directory before starting Karaf, the method is called once

{code}
karaf@root> Warning:  org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
Compiler warnings:
  WARNING:  'org.apache.xerces.jaxp.SAXParserImpl: Property 'http://javax.xml.XMLConstants/property/accessExternalDTD' is not recognized.'
Starting ...
{code}

The bean is probably started once from the cached bundle and next is refreshed when it is detected in {{deploy}} directory. 

This effect does not occur in Karaf {{2.x}}, {{3.0.x}} and {{master}} 




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