We have the following splat:
java.lang.IllegalArgumentException at com.google.common.base.Preconditions.checkArgument(Preconditions.java:129) at org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate.instantiateTransformed(ImmutableOffsetMapTemplate.java:103) at org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate$Ordered.instantiateTransformed(ImmutableOffsetMapTemplate.java:34) at org.opendaylight.yangtools.yang.data.util.ListEntryNodeDataWithSchema$Keyed.write(ListEntryNodeDataWithSchema.java:62) at org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema.write(CompositeNodeDataWithSchema.java:223) at org.opendaylight.yangtools.yang.data.util.ListNodeDataWithSchema.write(ListNodeDataWithSchema.java:39) at org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema.write(CompositeNodeDataWithSchema.java:223) at org.opendaylight.yangtools.yang.data.util.AbstractNodeDataWithSchema.write(AbstractNodeDataWithSchema.java:99) at org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream.parse(JsonParserStream.java:192) at org.opendaylight.restconf.nb.rfc8040.databind.JsonResourceBody.streamTo(JsonResourceBody.java:34) at org.opendaylight.restconf.nb.rfc8040.databind.ResourceBody.toNormalizedNode(ResourceBody.java:64) at org.opendaylight.restconf.nb.rfc8040.databind.AbstractResourceBodyTest.parse(AbstractResourceBodyTest.java:86) at org.opendaylight.restconf.nb.rfc8040.databind.JsonResourceBodyTest.testMissingKeys(JsonResourceBodyTest.java:109) at java.base/java.lang.reflect.Method.invoke(Method.java:568) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
This is quite ugly, as we have no message. Audit ImmutableOffsetMapTemplate and make sure we use descriptive exceptions.