Modify Meters is not working with REST CLIENT

URL-

http://localhost:8080/restconf/operational/opendaylight-inventory:nodes/node/openflow:1/meter/12

Request body-

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<meter xmlns="urn:opendaylight:flow:inventory">
<meter-name>Foo</meter-name>
<meter-band-headers>
<meter-band-header>
<band-burst-size>444</band-burst-size>
<band-id>0</band-id>
<band-rate>234</band-rate>
<dscp-remark-burst-size>5</dscp-remark-burst-size>
<dscp-remark-rate>16</dscp-remark-rate>
<perc_level>1</perc_level>
<meter-band-types>
<flags>ofpmbt-dscp-remark</flags>
</meter-band-types>
</meter-band-header>
</meter-band-headers>
<container-name>abcd</container-name>
<flags>meter-burst</flags>
<meter-id>12</meter-id>
</meter>

Response headers-

500 Internal Server Error

Log in controller-

odes.Node[key=NodeKey [_id=Uri [_value=openflow:1]]]]]], augmentation=[]]
2014-01-24 15:12:12.907 IST [pool-22-thread-5] ERROR o.o.c.m.s.c.i.service.TwoPhaseCommit - Transaction: DOM-15384 Request Commit failed
java.lang.IllegalArgumentException: Supplied composite node is not configurational.
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:92) ~[bundlefile:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations.checkConfigurational(YangDataOperations.java:51) ~[na:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations.merge(YangDataOperations.java:30) ~[na:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations._mergeMultiple(YangDataOperations.java:79) ~[na:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations.mergeMultiple(YangDataOperations.java:209) ~[na:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations.mergeContainer(YangDataOperations.java:183) ~[na:na]
at org.opendaylight.yangtools.yang.util.YangDataOperations.merge(YangDataOperations.java:42) ~[na:na]
at org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareDataStoreAdapter.mergeData(SchemaAwareDataStoreAdapter.java:159) ~[na:na]
at org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareDataStoreAdapter$NormalizedDataModification.mergeConfigurationData(SchemaAwareDataStoreAdapter.java:318) ~[na:na]
at org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareDataStoreAdapter$NormalizedDataModification.mergeConfigurationData(SchemaAwareDataStoreAdapter.java:289) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.AbstractDataModification.putConfigurationData(AbstractDataModification.java:70) ~[bundlefile:na]
at org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareDataStoreAdapter.prepareMergedTransaction(SchemaAwareDataStoreAdapter.java:176) ~[na:na]
at org.opendaylight.controller.sal.dom.broker.impl.SchemaAwareDataStoreAdapter.requestCommit(SchemaAwareDataStoreAdapter.java:115) ~[na:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:76) [bundlefile:na]
at org.opendaylight.controller.md.sal.common.impl.service.TwoPhaseCommit.call(TwoPhaseCommit.java:31) [bundlefile:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)