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From "Romain Manni-Bucau (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (OPENEJB-2111) Unchecked application exceptions, thrown in asynchronous business methods, are always wrapped in EJBException
Date Mon, 16 Mar 2015 18:50:38 GMT

     [ https://issues.apache.org/jira/browse/OPENEJB-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Romain Manni-Bucau resolved OPENEJB-2111.
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 5.0.0-Milestone-1
                   4.7.2
         Assignee: Romain Manni-Bucau

> Unchecked application exceptions, thrown in asynchronous business methods, are always
wrapped in EJBException
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: OPENEJB-2111
>                 URL: https://issues.apache.org/jira/browse/OPENEJB-2111
>             Project: OpenEJB
>          Issue Type: Bug
>          Components: ejb31, tomee
>    Affects Versions: 4.7.1
>            Reporter: Petras
>            Assignee: Romain Manni-Bucau
>             Fix For: 4.7.2, 5.0.0-Milestone-1
>
>
> Example of my business method:
> {code}
> @Asynchronous
> public Future<AttachmentWBean> convertToPDF(File file, String contentType)
>         throws FileConverterException, OperationCancelledException {
>     final ConversionResultWBean wsResult = invokeFileConverterWS(file, contentType);
>     return new AsyncResult<>(wsResult.getResultFile());
> }
> {code}
> FileConverterException is checked exception while OperationCancelledException class is
unchecked and declared as ApplicationException:
> {code}
> @ApplicationException
> public class OperationCancelledException extends RuntimeException {
>    //...
> }
> {code}
> The reason is that {{org.apache.openejb.async.AsynchronousPool.FutureAdapter#handleException}}
method does not check whether exception is an unchecked ApplicationException and always wrapps
it into EJBException. Only checked exceptions are returned directly:
> {code}
> private void handleException(Throwable e) throws ExecutionException {
>     //unwarp the exception to find the root cause
>     while (e.getCause() != null) {
>         e = e.getCause();
>     }
>     /*
>      * StatefulContainer.obtainInstance(Object, ThreadContext, Method)
>      * will return NoSuchObjectException instead of NoSuchEJBException             *
>      * when it can't obtain an instance.   Actually, the async client
>      * is expecting a NoSuchEJBException.  Wrap it here as a workaround.
>      */
>     if (e instanceof NoSuchObjectException) {
>         e = new NoSuchEJBException(e.getMessage(), (Exception) e);
>     }
>     final boolean isExceptionUnchecked = e instanceof Error || e instanceof RuntimeException;
>     // throw checked excpetion and EJBException directly.
>     if (!isExceptionUnchecked || e instanceof EJBException) {
>         throw new ExecutionException(e);
>     }
>     // wrap unchecked exception with EJBException before throwing.
>     throw e instanceof Exception ? new ExecutionException(new EJBException((Exception)
e))
>         : new ExecutionException(new EJBException(new Exception(e)));
> }
> {code}



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