Unable to start blueprint container for bundle org.infinispan.multimap/9.4.1.Final org.osgi.service.blueprint.container.Component Definition Exception: Unable to validate xml

Using infinispan-multimap in equinox, when starting server i got this error:

14:52:24.059 [Blueprint Extender: 3] ERROR o.a.a.b.c.BlueprintContainerImpl - Unable to start blueprint container for bundle org.infinispan.multimap/9.4.1.Final
org.osgi.service.blueprint.container.ComponentDefinitionException: Unable to validate xml
at org.apache.aries.blueprint.parser.Parser.validate(Parser.java:349) ~[org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at org.apache.aries.blueprint.parser.Parser.validate(Parser.java:336) ~[org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:345) [org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:278) [org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_45]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_45]
at org.apache.aries.blueprint.container.ExecutorServiceWrapper.run(ExecutorServiceWrapper.java:106) [org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:45) [org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_45]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_45]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_45]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.3: Element 'blueprint' cannot have character [children], because the type's content type is element-only.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:437) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:325) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:458) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3237) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.elementLocallyValidComplexType(XMLSchemaValidator.java:3200) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.elementLocallyValidType(XMLSchemaValidator.java:3160) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.processElementContent(XMLSchemaValidator.java:3062) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleEndElement(XMLSchemaValidator.java:2140) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.endElement(XMLSchemaValidator.java:859) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.jaxp.validation.DOMValidatorHelper.finishNode(DOMValidatorHelper.java:342) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.jaxp.validation.DOMValidatorHelper.validate(DOMValidatorHelper.java:247) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.jaxp.validation.DOMValidatorHelper.validate(DOMValidatorHelper.java:190) ~[na:1.8.0_45]
at com.sun.org.apache.xerces.internal.jaxp.validation.ValidatorImpl.validate(ValidatorImpl.java:109) ~[na:1.8.0_45]
at javax.xml.validation.Validator.validate(Validator.java:124) ~[na:1.8.0_45]
at org.apache.aries.blueprint.parser.Parser.validate(Parser.java:346) ~[org.apache.aries.blueprint.core_1.9.0.jar:1.9.0]
... 14 common frames omitted

Looking at the org.infinispan.multimap_9.4.1.Final.jar\OSGI-INF\blueprint\blueprint.xml i found that it contains ${services}. Look like some pre-processing need to run when packaging this bundle to replace that place holder with <service> tag

Also noticed that the bundle contain service file to be loaded by ServiceLoader which is not available in an OSGI env, if this is the only way to load service then perhaps, the manifest of the bundle also need to specify that it require a service mediator