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From "Daniel Kulp (JIRA)" <>
Subject [jira] [Updated] (CXF-4778) Require Command Line Option for wsdl2java to set Maximum Heap Memory Size
Date Fri, 24 Mar 2017 15:29:41 GMT


Daniel Kulp updated CXF-4778:
    Component/s: Tooling

> Require Command Line Option for wsdl2java to set Maximum Heap Memory Size
> -------------------------------------------------------------------------
>                 Key: CXF-4778
>                 URL:
>             Project: CXF
>          Issue Type: Bug
>          Components: Tooling
>    Affects Versions: 2.4.3
>            Reporter: Rouble
>            Priority: Minor
>   Original Estimate: 24h
>  Remaining Estimate: 24h
> By default wsdl2Java is coded to use 128M of maximum memory heap space.
> These days, however, WSDLs are starting to become very large and complex beasts - and
sometimes wsdl2java will run out of heap space while creating its internal data structures.
This is not an issue with memory management within wsdl2java, but rather a consequence of
large WSDLs.
> Because of CXF-2081, we have the ability to set the maximum memory heap size, however
it requires manually modifying wsdl2java. This is not ideal. 
> This JIRA is requesting two things:
> a) A command line option -Xmx to wsdltojava, that allows users to set the maximum heap
memory size.
> b) Upping the default maximum heap memory size to 256M. I leave this up to the development
team to decide.
> Another option is for wsdl2java to inherit all the JAVA_OPTS from the environment. So,
if someone properly sets -Xmx in the environment variable JAVA_OPTS, wsdl2java will pick it
up. This is probably a better solution that will address more use cases.

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