private void closeCache() throws CacheException {
    if (cache != null) {
      txRegion = null;
      nonTxRegion = null;
      Cache c = cache;
      cache = null;
      c.close();
    }
  }
Ensure that the ignoreJTA Region setting works

@since GemFire 4.1.1
geode-core/src/integrationTest/java/org/apache/geode/JtaNoninvolvementJUnitTest.java