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https://issues.apache.org/struts/browse/STR-3119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_42785
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Niall Pemberton commented on STR-3119:
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Although some exceptions lack constructors which take a throwable the
initCause(Throwable) method was added in JDK 1.4 - its slightly more verbose,
but this can be done using JDK 1.4:
IllegalStateException ex = new IllegalStateException("..");
ex.initCause(cause);
throw ex;
> Standardize exceptions rethrows to contain root cause (JDK 5)
> -------------------------------------------------------------
>
> Key: STR-3119
> URL: https://issues.apache.org/struts/browse/STR-3119
> Project: Struts 1
> Issue Type: Improvement
> Components: Core, Extras, Scripting, Taglibs, Tiles 1 Plugin
> Affects Versions: 1.4.0
> Environment: Operating System: All
> Platform: All
> Reporter: Paul Benedict
> Assignee: Paul Benedict
> Priority: Minor
> Fix For: Future
>
>
> STR-2437 added the root cause to exceptions as much as possible in JDK 1.4,
> but IllegalStateException and IllegalArgumentException do not participate in
> this practice until JDK 5.
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