Error in spring application context schema

Question

I have a maven-spring project in Eclipse and I have this annoying error message in one of my spring contexts:

Referenced file contains errors (jar:file:/M2_HOME/repository/org/springframework/spring-beans/3.1.2.RELEASE/spring-beans-3.1.2.RELEASE.jar!/org/springframework/beans/ factory/xml/spring-tool-3.1.xsd). For more information, right click on the message in the Problems View and select "Show Details..."

The show setails leads to this:

I using spring-data-jpa 1.2.0.RELEASE and the rest of my spring jars are 3.1.3.RELEASE. Regarding spring-data-commons-core - I don't even have a dependency to this jar in my pom but I can see it in my m2 repository along with spring-data-commons-parent and both of version 1.4.0.RELEASE, I don't know why (maybe those are part of spring-data-jpa?).

My application context schema:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xsi:schemaLocation="
   http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
   http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
   http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.2.xsd">

I don't understand why I keep getting this error. Basically it has no effect what so ever, The app compiles, deployed and runs just fine, it is just this annoying red error mark in Eclipse that drives me crazy :)

Answer 1

I recently had a similar problem in latest Eclipse (Kepler) and fixed it by disabling the option "Honour all XML schema locations" in Preferences > XML > XML Files > Validation. It disables validation for references to the same namespaces that point to different schema locations, only taking the first found generally in the XML file being validated. This option comes from the Xerces library.

WTP Doc: http://www.eclipse.org/webtools/releases/3.1.0/newandnoteworthy/sourceediting.php

Xerces Doc: http://xerces.apache.org/xerces2-j/features.html#honour-all-schemaLocations