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Message-ID: <ab8e556c0705202340m112e9508od1e8cb692a6ce07c@mail.gmail.com>
Date: Mon, 21 May 2007 13:40:21 +0700
From: "Kevin Jackson" <foamdino@gmail.com>
To: "Ant Developers List" <dev@ant.apache.org>
Subject: Re: Retry task available in svn head
In-Reply-To: <EF39D77A486C234B9D9933091CE6D21EDAF4F1@z011034.bk.fin.local>
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References: <EF39D77A486C234B9D9933091CE6D21EDAF4F1@z011034.bk.fin.local>

Hi Jan,

> Would this be more useful?
>
>     public void execute() throws BuildException {
>         StringBuffer errorMessages = new StringBuffer();
>         for(int i=0; i<=retryCount; i++) {
>             try {
>                 nestedTask.perform();
>                 break;
>             } catch (Exception e) {
>                 if (i<retryCount) {
>                     log("Attempt ["+i+"] error occured, retrying...", e,
> Project.MSG_INFO);
>                     errorMessages.append(e.getMessage());
>
> errorMessages.append(getProject().getProperty("line.separator"));
>                 } else {
>                     errorMessages.append(e.getMessage());
>                     StringBuffer exceptionMessage = new StringBuffer();
>                     exceptionMessage.append("Task
> [").append(nestedTask.getTaskName());
>                     exceptionMessage.append("] failed after
> [").append(retryCount);
>                     exceptionMessage.append("] attempts, giving up.");
>
> exceptionMessage.append(getProject().getProperty("line.separator"));
>                     exceptionMessage.append("Error
> messages:").append(getProject().getProperty("line.separator"));
>                     exceptionMessage.append(errorMessages);
>                     throw new
> BuildException(exceptionMessage.toString(), getLocation());
>                 }
>             }
>         }
>     }
>
>
>   <target name="test-fail-and-retry">
>     <property name="i" value="3"/>
>     <property name="dest" value="${java.io.tmpdir}/dest"/>
>     <!-- just in case this ever becomes a legit url... -->
>     <property name="src" value="http://iojasodjojaosdj"/>
>       <retry retrycount="${i}">
>         <get src="${src}" dest="${dest}"/>
>       </retry>
>   </target>
>
>
> test-fail-and-retry:
>       [get] Getting: http://iojasodjojaosdj
>       [get] To: c:\temp\dest
>       [get] Error getting http://iojasodjojaosdj to c:\temp\dest
>     [retry] Attempt [0] error occured, retrying...
>       [get] Getting: http://iojasodjojaosdj
>       [get] To: c:\temp\dest
>       [get] Error getting http://iojasodjojaosdj to c:\temp\dest
>     [retry] Attempt [1] error occured, retrying...
>       [get] Getting: http://iojasodjojaosdj
>       [get] To: c:\temp\dest
>       [get] Error getting http://iojasodjojaosdj to c:\temp\dest
>     [retry] Attempt [2] error occured, retrying...
>       [get] Getting: http://iojasodjojaosdj
>       [get] To: c:\temp\dest
>       [get] Error getting http://iojasodjojaosdj to c:\temp\dest
>
> BUILD FAILED
> C:\TEMP\retry-test.xml:9: Task [get] failed after [3] attempts, giving
> up.
> Error messages:
> java.net.UnknownHostException: iojasodjojaosdj
> java.net.UnknownHostException: iojasodjojaosdj
> java.net.UnknownHostException: iojasodjojaosdj
> java.net.UnknownHostException: iojasodjojaosdj

Yes the output here looks more informative than before.  My +1 for
moving to your style of output

Kev

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