java.util.ConcurrentModificationException

Oracle Community | 666705 | 1 decade ago
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    Foreign JMS and XA

    Google Groups | 1 decade ago | Dmitri Maximovich
    java.util.ConcurrentModificationException
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    java.util.ConcurrentModificationException while getObjectById

    objectmix.com | 1 year ago
    java.util.ConcurrentModificationException
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    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; }

    Spring JIRA | 1 decade ago | Torsten Juergeleit
    java.util.ConcurrentModificationException
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  5. 0

    why ConcurrentModificationException ?

    Oracle Community | 1 decade ago | 843790
    java.util.ConcurrentModificationException
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    Foreign JMS and XA

    Oracle Community | 1 decade ago | 3004
    java.util.ConcurrentModificationException

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Root Cause Analysis

  1. java.util.ConcurrentModificationException

    No message provided

    at java.util.HashMap$HashIterator.nextEntry()
  2. Java RT
    HashMap$KeyIterator.next
    1. java.util.HashMap$HashIterator.nextEntry(HashMap.java:782)
    2. java.util.HashMap$KeyIterator.next(HashMap.java:818)
    2 frames