Eclipse jsp jstl error – Cannot find the tag library descriptor for http://java.sun.com/jsp/jstl/core

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You get that error for the missing tld when standard.jar and jstl.jar are not found. If you are using maven, adding the following should fix it. <!– standard.jar –> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> <!– JSTL –> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.1.2</version> </dependency> Try restarting Eclipse if the error doesn’t go away after adding this. Do […]

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Eclipse tip: Add a short cut key to Skip All Breakpoints

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Eclipse doesn’t have a short cut key bound by default to the ‘Skip all breakpoints’ functionality. Here is how you can set one. While you are at it, you probably want to define a few more shortcuts to functionality you use frequently. In Eclipse, go to Window > Preferences > Type in ‘Keys’ in the […]

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Debug with Step Filters in Eclipse

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I got this excellent debugging tip from a colleague at work recently. Most of the time when you are debugging, you want to be looking at your own code. Not code from libraries or the JDK or even the ‘framework’ parts of your own code base. You can configure the Eclipse Java debugger to not […]

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Conditional breakpoints in Java development with Eclipse

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Imagine that you have a screen that shows a large list of items with several columns of data for each row. One of the items is showing odd data. You want to step though the code to see what is happening for that row. If you set a normal breakpoint, you’ll have to break and […]

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Configuring Eclipse to use a JDK at a location with spaces in it

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I was setting up my Eclipse environment with some new plugins today and ran into some trouble, which seems to have bothered many souls as I gather from the posts I found when trying to fix the problem. Some tools/plugins/features in Eclipse may need to use a JDK rather than a JRE. Sometimes you may […]

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