I have used Java Liberty to build my REST API services and deployed it on Bluemix. Everytime when I start running App on Bluemix and request one interface I got the following things from console:

 [WARNING ] The com.ibm.fordme.parking.service.Parking.findEligibleBays sub-resource locator contains an illegal entity parameter. The locator is ignored.  Remove the entity parameter from the sub-resource locator method definition.
 [WARNING ] The com.ibm.fordme.parking.service.Parking.findEligibleBays sub-resource locator contains an illegal entity parameter. The locator is ignored.  Remove the entity parameter from the sub-resource locator method definition.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.FileProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.ByteArrayProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.InputStreamProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.StringProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.ReaderProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.DataSourceProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.FormMultivaluedMapProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.SourceProvider$StreamSourceProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.SourceProvider$SAXSourceProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.SourceProvider$DOMSourceProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.StreamingOutputProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.xml.JAXBElementXmlProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.xml.JAXBXmlProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.atom.AtomEntryProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.atom.AtomFeedSyndFeedProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.atom.AtomEntrySyndEntryProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.app.CategoriesProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.csv.CsvSerializerProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.csv.CsvSyndFeedSerializerProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.csv.CsvDeserializerProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.FormatedExceptionProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.multipart.OutMultiPartProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.multipart.InMultiPartProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.multipart.BufferedInMultiPartProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.xml.JAXBCollectionXmlProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.xml.JAXBArrayXmlProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.json.JAXBArrayJSONProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class com.ibm.websphere.jaxrs.providers.json4j.JSON4JObjectProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class com.ibm.websphere.jaxrs.providers.json4j.JSON4JArrayProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.providers.jackson.WinkJacksonJaxbJsonProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.server.internal.providers.entity.html.HtmlProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.
 [WARNING ] The class org.apache.wink.common.internal.providers.entity.AssetProvider was already added to the JAX-RS runtime. The runtime is ignoring this value.  Check that this class was not returned in the javax.ws.rs.core.Application subclass getSingletons() and getClasses() methods.

Please help me figure out what was wrong.