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Editorial Team
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Asked: 2026-06-18T07:22:01+00:00

I am using GWT 2.5.0. I want to use some methods in org.apache.commons. GWT

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I am using GWT 2.5.0. I want to use some methods in org.apache.commons. GWT want source code also for adding external jar. So I downloaded source and class files and merge both in jar. It is not giving any error for some methods but some classes of org.apache refering other class outside this package. So it gives the following error

[ERROR] [rmchecking] - Errors in 'org/apache/commons/lang/StringUtils.java'
[ERROR] [rmchecking] - Line 237: The method isWhitespace(char) is undefined for the type Character

Is there any package in gwt that giving same facility of this org.apache.commons? or how to use this same package in gwt?

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1 Answer

  1. Editorial Team

    It is not really possible since StringUtils is based on java regular expression and the GWT regular
    expression emulator is based on a javascript. You will need to write it by your own

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