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Posted to dev@kafka.apache.org by Manikumar Reddy O <ma...@gmail.com> on 2015/06/25 18:24:24 UTC

Review Request 35880: Patch for KAFKA-2295

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/
-----------------------------------------------------------

Review request for kafka.


Bugs: KAFKA-2295
    https://issues.apache.org/jira/browse/KAFKA-2295


Repository: kafka


Description
-------

Implemente the approach given in JIRA description. This is to support dynamically loaded envirornments


Diffs
-----

  clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
  clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
  clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
  core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 

Diff: https://reviews.apache.org/r/35880/diff/


Testing
-------


Thanks,

Manikumar Reddy O


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Guozhang Wang <wa...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review91337
-----------------------------------------------------------

Ship it!


Ship It!

- Guozhang Wang


On July 6, 2015, 6:05 a.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated July 6, 2015, 6:05 a.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Addessing Guozhang's comments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Guozhang Wang <wa...@gmail.com>.

> On July 6, 2015, 3:50 p.m., Guozhang Wang wrote:
> > core/src/main/scala/kafka/utils/CoreUtils.scala, line 221
> > <https://reviews.apache.org/r/35880/diff/2/?file=999581#file999581line221>
> >
> >     Can we use scala's Utils.createObject here?
> 
> Manikumar Reddy O wrote:
>     Are you sugessting to use Utils.newInstance()? We dont have scala's Utils.scala. Am I missing something?

My bad, this is not a issue.


- Guozhang


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90488
-----------------------------------------------------------


On July 6, 2015, 6:05 a.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated July 6, 2015, 6:05 a.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Addessing Guozhang's comments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Manikumar Reddy O <ma...@gmail.com>.

> On July 6, 2015, 3:50 p.m., Guozhang Wang wrote:
> > clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java, line 57
> > <https://reviews.apache.org/r/35880/diff/2/?file=999580#file999580line57>
> >
> >     Is this intentional?

yes. Now ClassNotFoundException will be thrown from Utils.newInstance() as KafkaException.


> On July 6, 2015, 3:50 p.m., Guozhang Wang wrote:
> > clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java, line 266
> > <https://reviews.apache.org/r/35880/diff/2/?file=999578#file999578line266>
> >
> >     Can we use Utils.newInstance here as well?

Here we only need Class Object.


> On July 6, 2015, 3:50 p.m., Guozhang Wang wrote:
> > core/src/main/scala/kafka/utils/CoreUtils.scala, line 221
> > <https://reviews.apache.org/r/35880/diff/2/?file=999581#file999581line221>
> >
> >     Can we use scala's Utils.createObject here?

Are you sugessting to use Utils.newInstance()? We dont have scala's Utils.scala. Am I missing something?


- Manikumar Reddy


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90488
-----------------------------------------------------------


On July 6, 2015, 6:05 a.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated July 6, 2015, 6:05 a.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Addessing Guozhang's comments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Guozhang Wang <wa...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90488
-----------------------------------------------------------



clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java (line 266)
<https://reviews.apache.org/r/35880/#comment143588>

    Can we use Utils.newInstance here as well?



clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java (line 57)
<https://reviews.apache.org/r/35880/#comment143589>

    Is this intentional?



core/src/main/scala/kafka/utils/CoreUtils.scala (line 221)
<https://reviews.apache.org/r/35880/#comment143590>

    Can we use scala's Utils.createObject here?


- Guozhang Wang


On July 6, 2015, 6:05 a.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated July 6, 2015, 6:05 a.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Addessing Guozhang's comments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Manikumar Reddy O <ma...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/
-----------------------------------------------------------

(Updated Aug. 20, 2015, 12:17 p.m.)


Review request for kafka.


Bugs: KAFKA-2295
    https://issues.apache.org/jira/browse/KAFKA-2295


Repository: kafka


Description (updated)
-------

Code Rebase


Diffs (updated)
-----

  clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java 156ec14c9c099448cc1d8347191eef4c02591faa 
  clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
  clients/src/main/java/org/apache/kafka/common/utils/Utils.java c58b74144ba01f04ec17d8ca7bd3d231fd6fb3a8 
  clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
  core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 

Diff: https://reviews.apache.org/r/35880/diff/


Testing
-------


Thanks,

Manikumar Reddy O


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Manikumar Reddy O <ma...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/
-----------------------------------------------------------

(Updated July 6, 2015, 6:05 a.m.)


Review request for kafka.


Bugs: KAFKA-2295
    https://issues.apache.org/jira/browse/KAFKA-2295


Repository: kafka


Description (updated)
-------

Addessing Guozhang's comments


Diffs (updated)
-----

  clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
  clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
  clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
  clients/src/test/java/org/apache/kafka/common/config/AbstractConfigTest.java db1b0ee9113215b5ad7fda0f93915f3bdd34ac55 
  core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 

Diff: https://reviews.apache.org/r/35880/diff/


Testing
-------


Thanks,

Manikumar Reddy O


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Manikumar Reddy O <ma...@gmail.com>.

> On July 3, 2015, 1:46 a.m., Guozhang Wang wrote:
> > clients/src/main/java/org/apache/kafka/common/utils/Utils.java, line 512
> > <https://reviews.apache.org/r/35880/diff/1/?file=992171#file992171line512>
> >
> >     I think thread.getContextClassLoader() will never return null:
> >     
> >     http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html#getContextClassLoader()

I agree. javadoc says "Returns: the context ClassLoader for this Thread, or null indicating the system class loader (or, failing that, the bootstrap class loader)".  I added this code for completeness.


> On July 3, 2015, 1:46 a.m., Guozhang Wang wrote:
> > clients/src/main/java/org/apache/kafka/common/utils/Utils.java, line 496
> > <https://reviews.apache.org/r/35880/diff/1/?file=992171#file992171line496>
> >
> >     How about add a createObject function in Utils.java like coreUtils.scala and let other java code calls it?

we already have Utils.newInstance() method.  If required, we can add createObject() method.


- Manikumar Reddy


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90305
-----------------------------------------------------------


On June 25, 2015, 4:25 p.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated June 25, 2015, 4:25 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Implemented the approach given in JIRA description. This is to support dynamically loaded envirornments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Guozhang Wang <wa...@gmail.com>.

> On July 3, 2015, 1:46 a.m., Guozhang Wang wrote:
> > clients/src/main/java/org/apache/kafka/common/utils/Utils.java, line 496
> > <https://reviews.apache.org/r/35880/diff/1/?file=992171#file992171line496>
> >
> >     How about add a createObject function in Utils.java like coreUtils.scala and let other java code calls it?
> 
> Manikumar Reddy O wrote:
>     we already have Utils.newInstance() method.  If required, we can add createObject() method.

How about adding a

public static Object newInstance(String className)

alsong with

public static Object newInstance(Class<?> c)

and make all references of Class.forName in java code calling this function?


- Guozhang


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90305
-----------------------------------------------------------


On June 25, 2015, 4:25 p.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated June 25, 2015, 4:25 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Implemented the approach given in JIRA description. This is to support dynamically loaded envirornments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Guozhang Wang <wa...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/#review90305
-----------------------------------------------------------



clients/src/main/java/org/apache/kafka/common/utils/Utils.java (line 496)
<https://reviews.apache.org/r/35880/#comment143323>

    How about add a createObject function in Utils.java like coreUtils.scala and let other java code calls it?



clients/src/main/java/org/apache/kafka/common/utils/Utils.java (line 512)
<https://reviews.apache.org/r/35880/#comment143322>

    I think thread.getContextClassLoader() will never return null:
    
    http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html#getContextClassLoader()


- Guozhang Wang


On June 25, 2015, 4:25 p.m., Manikumar Reddy O wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/35880/
> -----------------------------------------------------------
> 
> (Updated June 25, 2015, 4:25 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-2295
>     https://issues.apache.org/jira/browse/KAFKA-2295
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Implemented the approach given in JIRA description. This is to support dynamically loaded envirornments
> 
> 
> Diffs
> -----
> 
>   clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
>   clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
>   clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
>   core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 
> 
> Diff: https://reviews.apache.org/r/35880/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Manikumar Reddy O
> 
>


Re: Review Request 35880: Patch for KAFKA-2295

Posted by Manikumar Reddy O <ma...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/35880/
-----------------------------------------------------------

(Updated June 25, 2015, 4:25 p.m.)


Review request for kafka.


Bugs: KAFKA-2295
    https://issues.apache.org/jira/browse/KAFKA-2295


Repository: kafka


Description (updated)
-------

Implemented the approach given in JIRA description. This is to support dynamically loaded envirornments


Diffs
-----

  clients/src/main/java/org/apache/kafka/common/config/AbstractConfig.java bae528d31516679bed88ee61b408f209f185a8cc 
  clients/src/main/java/org/apache/kafka/common/config/ConfigDef.java 4170bcc7def5b50d8aa20e8e84089c35b705b527 
  clients/src/main/java/org/apache/kafka/common/utils/Utils.java af9993cf9b3991f1e61e1201c94e19bc1bf76a68 
  core/src/main/scala/kafka/utils/CoreUtils.scala 168a18d380c200ee566eccb6988dd1ae85ed5b09 

Diff: https://reviews.apache.org/r/35880/diff/


Testing
-------


Thanks,

Manikumar Reddy O