Can you send a stack trace?
On 3/23/06, Fan Zeng <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I've got the following on a very busy system:
>
> java.lang.Exception: Template.merge() failure. The document is
> null, most likely due to parsing error.
>
> This has happened only once in the past few weeks when we generated
> hundreds of thousands of messages. Only a couple of VTL templates were
> used for the messages. We use velocity 1.4.
>
> The comments in the Velocity source code say "this shouldn't happen
> either, but just in case."
>
> What can I do to prevent the exception from happening.
>
> The methods below are copied from our source code. It should provide
> some ideas on how we use Velocity.
>
>
> private String transform(String normalizedName, VtlNotifyData
> vtlNotifyData) throws GLException {
> StringWriter writer = new StringWriter();
> VelocityContext context = vtlNotifyData.getVelocityContext();
>
> Template template = getTemplate(normalizedName);
> try {
> template.merge(context, writer);
> }
> catch (Exception e) {
> throw GLException.factory(e);
> }
>
> return writer.toString();
> }
>
> private Template getTemplate(String templateName) throws GLException {
> // theNotifyVelocityEngine is a static member
> if (theNotifyVelocityEngine == null) {
> try {
> theNotifyVelocityEngine = new VelocityEngine();
>
> theNotifyVelocityEngine.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM,
> new VelocityLogSystem());
> // set other properties
> ...
> }
>
> theNotifyVelocityEngine.init();
> }
> catch (Exception e) {
> throw GLException.factory(e);
> }
> }
>
> return theNotifyVelocityEngine.getTemplate(templateName);
> }
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
--
Forio Business Simulations
Will Glass-Husain
[EMAIL PROTECTED]
www.forio.com
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
