Thank you Ralph and Gary for your prompt response.
Perhaps I was not clear, the HierarchyDynamicMBean exists in the
log4j-1.214.jar and our app uses it and there are no errors.
As we are trying to migrate to log4j-core-2.17.1, we noticed that
HierarchyDynamicMBean is not part of log4j-core-2.17.1.jar and it is throwing
errors.
My question are,
is HierarchyDynamicMBean included in log4j 2?
Is there an alternative solution/class?
Can the HierarchyDynamicMBean class be packaged part of log4j2?
Can the HierarchyDynamicMBean be extracted from log4j-1 and add it log4j-2?
Any suggestions on how to migrate log4j2?
Thank you
Shaib
-Original Message-
From: Ralph Goers
Sent: Monday, March 21, 2022 6:48 PM
To: Log4J Users List
Subject: [External] Re: org.apache.logging.log4j.jmx.HierarchyDynamicMBean not
found in log4j 2
I’m confused. Log4j 1.x used the package org.apache.log4j. Log4j 2.x uses
org.apache.logging.log4j. So how was that class part of Log4j 1.x?
Indeed -
https://secure-web.cisco.com/1aJ9StItuostdVVrk_AythzsM_-usieWrcWBvKR5Qo3pDj-R-rqduf1Y2dmHEnQf7kTAgDnS7ieZqSYFjy1d9JuT-msPOSykVoeBj4ENeM7b1Np8LTq4WujNs7qJ4Py-OZipVC4xVhgEOq1F1Yx4F_XNOHbBqw8fMHk4L6qidmMp2XYmiM6H9QAkHWYxOO8qcFhVD1zfR7iNjIkY9ypNtfAMEmXmZAj-Xo4nE3Kr-zmXVaVyV_kcUU4Xrbe2eU3rr12RxqNu7sSsy9321TvgucXV4sevmlK6Tr_W4Ur4G8BDQWhQyUbNElOJ63Pw449k83uc65i9ZzA4-X6ZRDpk2dRTLFlha1aoPXA-g3Js5eXWfCLfQglFITMzJVQWwvdusIvq5A6VK4BYVlc2zsbr5fuB7o23Gli4izJk9dlmS1FtfeN7OIYtkx8-osLuNwrT92Fy9IZI84qSAoIuKDvYIfg/https%3A%2F%2Flogging.apache.org%2Flog4j%2F1.2%2Fapidocs%2Forg%2Fapache%2Flog4j%2Fjmx%2FHierarchyDynamicMBean.html
indicates the package name you show below is wrong.
Although Gary just added the JMX components to log4j-1.2-api I don’t believe
you should actually use them.
Log4j 2 comes with its own JMX support and since the design of Log4j 2 is
different than Log4j 1 I suspect not everything in 1.x will work as expected.
Ralph
> On Mar 21, 2022, at 4:34 PM, Gary Gregory wrote:
>
> Shaib,
>
> That whole package was never ported into the log4j-1.2-api module.
>
> I just added the missing package for API binary compatibility.
>
> Do note the package Javadoc: "This package lets you manage log4j
> settings using JMX. It is unfortunately not of production quality."
>
> There is no testing for behavioral compatibility, this is currently
> only to avoid class not found errors. It is unlikely to work as expected.
>
> You can find this code in the 'release-2.x' branch and snapshot builds
> on
> https://secure-web.cisco.com/18xOszRxVXXg0W1jCjpnCfB8pC5Rw4x-luLF26Hrg
> OY2ky_t5a3FqIGLmgeGdQ6ttTnECbjZ3Nk-699lYMF40iEi4rEGeMMAAvj8smCJ64OUOyh
> AJ2hAr93ffe461mOOwkF5JtMmkPLqBsQIZ6_o1yMzw_a3BN4Hokco1HsJcqDxKv7LavsEB
> 7pTMF-khL2mlTZENnuVFjldZguehKFiAs4NlE3KxHXnrWTPxqxYynOgVf35UxinOwLVgVw
> JC8UXInw42EpIe0rnrC3m7Au8C3YPIKn5DzhMwfDA4jqWQiLHUlFlm_gink-LLToBy9aI9
> GOoi67SDMlsYuS9BQzbttA1cjWsp-2_Bs0WKLFBu4Dppe5I_rqTEbkF6M7uGuWIJ2zicdT
> hd7t6zTOxpvfJtzvk5AD8ahB8fH-zzEHX3KGAzbZ7nB6yJwi_P3NaA1gbCZnus1DUOe6z1
> 4KJa5gG4qQ/https%3A%2F%2Frepository.apache.org%2Fcontent%2Frepositorie
> s%2Fsnapshots%2F
>
> Gary
>
> On Mon, Mar 21, 2022 at 5:13 PM Shaib Al-Agily
> wrote:
>
>> Hello,
>>
>> Per Apache's website recommendations, our company is in the process
>> of migrating some of its applications from log4j-1.2.14 to log4j-core-2.17.1.
>>
>> Class "org.apache.logging.log4j.jmx.HierarchyDynamicMBean" is
>> referenced in one of our application and that is generating an error.
>> It appears class org.apache.logging.log4j.jmx.HierarchyDynamicMBean
>> is not implemented in log4j 2.
>>
>> Questions:
>> 1. Is the class
>> org.apache.logging.log4j.jmx.HierarchyDynamicMBean implemented in log4j 2?
>> Where?
>> 2. Is it merged in another class?
>> 3. Is there an alternative class/solution?
>>
>> Thank you very much
>>
>> Shaib
>>
>>
>>
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