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

["Akshay Gehi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEANUTILS-509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akshay Gehi updated BEANUTILS-509:
----------------------------------
    Attachment: WrapDynaCache.patch

> 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
>            Priority: Major
>         Attachments: WrapDynaCache.patch, 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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