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Editorial Team
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Asked: 2026-05-30T12:18:53+00:00

Unable to compile class for JSP Generated servlet error: @DefaultMessage(Last Updated: {0,date,medium} {0,time, HH:mm:ss

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Unable to compile class for JSP

Generated servlet error: @DefaultMessage(“Last Updated:
{0,date,medium} {0,time, HH:mm:ss (z)}”) ^^^^^^^^^^^^^^^ Syntax
error, annotations are only available if source level is 1.5

I’ve got such errors for all 1.5+ features like enums, annotations etc. during trying to open my gwt module in web browser in dev mode. Compilation process goes well. And my modules work in production/deployment mode. The error appears all over the project only when I open open my module in dev mode.

Compiler compliance level in eclipse is set to 1.6.

This error is the same as Issue 3557 BUT this is old issue for GWT 1.5-1.6 and I’m using GWT 2.3. Also I’m only one GWt developer in my project so I cannot compare my settings/copy eclipse project from someone’s workspace.

My waring/errors perspective output is clean, no connected messages with this problem. I’ve also tried to recheckout from repository and recreate my project in eclipse – but the situation is the same.

Also I’ve got another problem which I think may be connected with this one.

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1 Answer

  1. Editorial Team

    As you suggested yourself this is a very old GWT issue with the embedded development server.

    To get around this

    • you could use your own server (see -noserver option)
    • use one of the suggested workarounds in the issue(I used to write my own java class for brining up jetty with java 1.6 as the default compiler
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