Karaf cause OOME when running iOSGI integration tests on all environments

org.xml.sax.SAXParseException; lineNumber: 6; columnNumber: 3; The element type "hr" must be terminated by the matching end-tag "</hr>".
	at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
	at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
	at org.apache.karaf.features.internal.FeatureValidationUtil.validate(FeatureValidationUtil.java:52)
	at org.apache.karaf.features.internal.FeaturesServiceImpl.validateRepository(FeaturesServiceImpl.java:215)
	at org.apache.karaf.features.internal.FeaturesServiceImpl.internalAddRepository(FeaturesServiceImpl.java:257)
	at org.apache.karaf.features.internal.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:237)
	at org.apache.karaf.features.internal.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:225)
	at org.infinispan.it.osgi.features.OSGiKarafFeaturesTest.checkInstall(OSGiKarafFeaturesTest.java:87)
	at org.infinispan.it.osgi.features.OSGiKarafFeaturesTest.testCleanInstall(OSGiKarafFeaturesTest.java:71)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:67)
	at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:37)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:138)
	at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.invokeViaJUnit(JUnitProbeInvoker.java:124)
	at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.findAndInvoke(JUnitProbeInvoker.java:97)
	at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.call(JUnitProbeInvoker.java:73)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.ops4j.pax.exam.rbc.internal.RemoteBundleContextImpl.remoteCall(RemoteBundleContextImpl.java:80)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
	at sun.rmi.transport.Transport$1.run(Transport.java:177)
	at sun.rmi.transport.Transport$1.run(Transport.java:174)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)

java.io.EOFException
	at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2598)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1318)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
	at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
	at java.lang.Throwable.readObject(Throwable.java:914)
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
	at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
	at java.lang.Throwable.readObject(Throwable.java:914)
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
	at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:244)
	at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
	at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194)
	at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148)
	at com.sun.proxy.$Proxy20.remoteCall(Unknown Source)
	at org.ops4j.pax.exam.rbc.client.intern.RemoteBundleContextClientImpl$1.invoke(RemoteBundleContextClientImpl.java:101)
	at com.sun.proxy.$Proxy21.call(Unknown Source)
	at org.ops4j.pax.exam.rbc.client.intern.RemoteBundleContextClientImpl.call(RemoteBundleContextClientImpl.java:268)
	at org.ops4j.pax.exam.container.remote.RBCRemoteTarget.call(RBCRemoteTarget.java:65)
	at org.ops4j.pax.exam.karaf.container.internal.KarafTestContainer.call(KarafTestContainer.java:533)
	at org.ops4j.pax.exam.spi.reactors.SingletonStagedReactor.invoke(SingletonStagedReactor.java:113)
	at org.ops4j.pax.exam.spi.reactors.PerSuiteStagedReactor.invoke(PerSuiteStagedReactor.java:47)
	at org.ops4j.pax.exam.junit.impl.ProbeRunner$2.evaluate(ProbeRunner.java:278)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.ops4j.pax.exam.junit.impl.ProbeRunner.run(ProbeRunner.java:112)
	at org.ops4j.pax.exam.junit.PaxExam.run(PaxExam.java:93)
	at org.junit.runners.Suite.runChild(Suite.java:127)
	at org.junit.runners.Suite.runChild(Suite.java:26)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)

java.lang.OutOfMemoryError: Java heap space