Gotcha: JUnit tests fail on Eclipse with a mysterious Xerces error

Jul 28, 2006· Philip Jacob

Note to archeologists and readers: this was written a long time ago and is maintained simply for historical reasons.

I had a strange problem occurring with some JUnit tests

java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredElementImpl.getTextContent()Ljava/lang/String;

at com.whirlycott.cache.CacheManager.configure(Unknown Source)

at com.whirlycott.cache.CacheManager.(Unknown Source)

at com.whirlycott.cache.CacheManager.(Unknown Source)

…

Turns out that if you have Commons Configuration specified in your Maven POM, you’ll get this error. You need to specify this in pom.xml:




commons-configuration
commons-configuration
1.1
compile


xerces
xerces


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… and specify xercesImpl 2.6.2 as a dependency. Things will work again.