XPath.selectText regression

There appears to be a regression in regards to the play.libs.XPath#selectText method:

    java.lang.RuntimeException: java.lang.UnsupportedOperationException
      at play.libs.XPath.selectText(XPath.java:95) ~[play-java_2.10.jar:2.1-SNAPSHOT]
      ...
    Caused by: java.lang.UnsupportedOperationException: null
      at java.util.AbstractList.add(AbstractList.java:131) ~[na:1.6.0_37]
      at java.util.AbstractList.add(AbstractList.java:91) ~[na:1.6.0_37]
      at org.springframework.util.xml.SimpleNamespaceContext.bindNamespaceUri(SimpleNamespaceContext.java:106) ~[spring-core-3.1.2.RELEASE.jar:3.1.2.RELEASE]
      at org.springframework.util.xml.SimpleNamespaceContext.setBindings(SimpleNamespaceContext.java:79) ~[spring-core-3.1.2.RELEASE.jar:3.1.2.RELEASE]
      at play.libs.XPath.selectText(XPath.java:89) ~[play-java_2.10.jar:2.1-SNAPSHOT]