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Posted to issues@commons.apache.org by "sunil (JIRA)" <ji...@apache.org> on 2018/05/31 03:43:00 UTC

[jira] [Created] (BEANUTILS-509) WeakHashmap enters into infinite loop in WrapDynaClass.java

sunil created BEANUTILS-509:
-------------------------------

             Summary: WeakHashmap enters into infinite loop in WrapDynaClass.java
                 Key: BEANUTILS-509
                 URL: https://issues.apache.org/jira/browse/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(WeakHashMap.java:403)
 at org.apache.commons.beanutils.WrapDynaClass.createDynaClass(WrapDynaClass.java:425)

 

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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