Drill fails to find the xpath function in hive

select xpath ('<a><b id="1"><c/></b><b id="2"><c/></b></a>','/descendant::c/ancestor::b/@id') from hive.hive_storage.dummy limit 1;
Error: SYSTEM ERROR: org.apache.drill.exec.exception.SchemaChangeException: Failure while trying to materialize incoming schema.  Errors:
 
Error in expression at index -1.  Error: Missing function implementation: [xpath(VARCHAR-REQUIRED, VARCHAR-REQUIRED)].  Full expression: --UNKNOWN EXPRESSION--..

Fragment 0:0

[Error Id: ec9b68fd-6720-41ca-9adc-c8b2d560a51c on qa-node190.qa.lab:31010] (state=,code=0)

org.apache.drill.exec.exception.SchemaChangeException: Failure while trying to materialize incoming schema.  Errors:

Error in expression at index -1.  Error: Missing function implementation: [xpath(VARCHAR-REQUIRED, VARCHAR-REQUIRED)].  Full expression: --UNKNOWN EXPRESSION--..
        at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:387) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:146) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:105) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:95) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.limit.LimitRecordBatch.innerNext(LimitRecordBatch.java:115) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:146) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:105) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:95) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:92) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:146) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:83) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:79) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:73) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:260) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:254) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at java.security.AccessController.doPrivileged(Native Method) [na:1.7.0_71]
        at javax.security.auth.Subject.doAs(Subject.java:415) [na:1.7.0_71]
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1566) [hadoop-common-2.5.1-mapr-1503.jar:na]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:254) [drill-java-exec-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.1.0-SNAPSHOT-rebuffed.jar:1.1.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]