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From "sunil (JIRA)" <>
Subject [jira] [Created] (BEANUTILS-509) WeakHashmap enters into infinite loop in
Date Thu, 31 May 2018 03:43:00 GMT
sunil created BEANUTILS-509:

             Summary: WeakHashmap enters into infinite loop in
                 Key: BEANUTILS-509
             Project: Commons BeanUtils
          Issue Type: Bug
          Components: DynaBean
    Affects Versions: 1.8.2
            Reporter: sunil
         Attachments: console.log.backup

We noticed that our application was using too much of CPU , all the 6 cores were used. 

On capturing the thread dump we saw that large number of threads were in the running state
and in :

at java.util.WeakHashMap.get(
 at org.apache.commons.beanutils.WrapDynaClass.createDynaClass(


So we are suspecting that the thread has entered into indefinite while loop and hogging all
the CPU resources.

I have attached the thread dump for reference.  


what is the solution for this issue?

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