Test failures in LDAP authentication: Failed to bind an LDAP service

 
testAuthenticateFail(org.apache.jackrabbit.oak.security.authentication.ldap.LdapProviderTest): Failed to bind an LDAP service (1024) to the service registry.
testGetGroups2(org.apache.jackrabbit.oak.security.authentication.ldap.LdapProviderTest): Failed to bind an LDAP service (1024) to the service registry.
org.apache.jackrabbit.oak.security.authentication.ldap.LdapDefaultLoginModuleTest: Failed to bind an LDAP service (1024) to the service registry.
testGetUserByUserId(org.apache.jackrabbit.oak.security.authentication.ldap.LdapProviderTest): Failed to bind an LDAP service (1024) to the service registry.

java.net.BindException: Address already in use]
	at org.apache.directory.server.ldap.LdapServer.startNetwork(LdapServer.java:528)
	at org.apache.directory.server.ldap.LdapServer.start(LdapServer.java:394)
	at org.apache.directory.server.unit.AbstractServerTest.setUp(AbstractServerTest.java:273)
	at org.apache.jackrabbit.oak.security.authentication.ldap.InternalLdapServer.setUp(InternalLdapServer.java:37)
	at org.apache.jackrabbit.oak.security.authentication.ldap.LdapLoginTestBase.beforeClass(LdapLoginTestBase.java:86)
	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$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: java.net.BindException: Address already in use
	at sun.nio.ch.Net.bind0(Native Method)
	at sun.nio.ch.Net.bind(Net.java:444)
	at sun.nio.ch.Net.bind(Net.java:436)
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
	at org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:198)
	at org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:51)
	at org.apache.mina.core.polling.AbstractPollingIoAcceptor.registerHandles(AbstractPollingIoAcceptor.java:547)
	at org.apache.mina.core.polling.AbstractPollingIoAcceptor.access$400(AbstractPollingIoAcceptor.java:68)
	at org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.run(AbstractPollingIoAcceptor.java:422)
	at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
	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:745)