java.util.ConcurrentModificationException

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  • Foreign JMS and XA
    via by Dmitri Maximovich,
  • Concurrent calls from within different threads (servlets) to AbstractApplicationContext.getBeansOfType() leads to the following exception: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782) at java.util.HashMap$KeyIterator.next(HashMap.java:818) at org.springframework.beans.factory.support.AbstractBeanFactory.getSingletonNames(AbstractBeanFactory.java:481) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:1 at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:468) at de.deka.techarch.spring.bean.BeanUtils.getFirstInterceptedBeanOfType(BeanUtils.java:67) at de.deka.dekanet.service.context.BusinessServiceFactory.getService(BusinessServiceFactory.java:86) Our code which calls ListableBeanFactory.getBeansOfType() is as follows: /** * Returns the first bean from the {@link Map} returned by * <code>ListableBeanFactory.getBeansOfType(type, true, true)</code> * which is an instances of {@link java.lang.reflect.Proxy}</code>. */ public static final Object getFirstProxiedBeanOfType( ListableBeanFactory factory, Class type) { Map names = factory.getBeansOfType(type, true, true); Iterator iter = names.keySet().iterator(); while (iter.hasNext()) { String name = (String)iter.next(); Object bean = factory.getBean(name); if (bean instanceof Proxy) { return bean; } } return null; }
    via by Torsten Juergeleit,
  • why ConcurrentModificationException ?
    via by 843790,
  • Foreign JMS and XA
    via by 3004,
  • Foreign JMS and XA
    via by 3004,
  • Exceptions in CVS Team Synchronize
    via by ed.burnette,
    • java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:782) at java.util.HashMap$KeyIterator.next(HashMap.java:818)

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