spring ldap pooling oracle (OID-Ldap) not supported?

i try to do pooling through PoolingContextSource

http://static.springsource.org/sprin...l/pooling.html

and get below error? does oracle(oid) ldap support pooling?

Quote:

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java.lang.UnsupportedOperationException: Not supported for this implementation at org.springframework.ldap.pool.factory.PoolingConte xtSource.getContext(PoolingContextSource.java:436) at org.springframework.ldap.core.LdapTemplate.authent icate(LdapTemplate.java:1434) at org.springframework.ldap.core.LdapTemplate.authent icate(LdapTemplate.java:1386) at com.company.iss.services.ISSServiceImpl.login(ISSS erviceImpl.java:98) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoi npointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethod Invocation.invokeJoinpoint(ReflectiveMethodInvocat ion.java:182) at org.springframework.aop.framework.ReflectiveMethod Invocation.proceed(ReflectiveMethodInvocation.java :149) at org.springframework.aop.interceptor.ExposeInvocati onInterceptor.invoke(ExposeInvocationInterceptor.j ava:89) at org.springframework.aop.framework.ReflectiveMethod Invocation.proceed(ReflectiveMethodInvocation.java :171) at org.springframework.aop.framework.JdkDynamicAopPro xy.invoke(JdkDynamicAopProxy.java:204) at $Proxy55.login(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)

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