entityManager.getTransaction().begin();

org.apache.cxf.interceptor.Fault: Not allowed to create transaction on shared EntityManager - use Spring transactions or EJB CMT instead
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:167)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:94)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:94)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262)
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:122)
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:211)
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:213)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:154)
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:129)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:187)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:110)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:166)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalStateException: Not allowed to create transaction on shared EntityManager - use Spring transactions or EJB CMT instead
	at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:198)
	at $Proxy14.getTransaction(Unknown Source)
	at com.powerclick.security.dao.CredentialServiceImpl.saveUserInfo(CredentialServiceImpl.java:34)
	at com.powerclick.rsservices.UserGroups.saveUser(UserGroups.java:30)
	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:601)
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
	... 30 more

<bean id="boneCPDataSource" class="com.jolbox.bonecp.BoneCPDataSource" destroy-method="close">
      <property name="driverClass" value="org.postgresql.Driver"/>
      <property name="jdbcUrl" value="jdbc:postgresql://sparrow.provox.custvox/pwc"/>
      <property name="username" value="pwc"/>
      <property name="password" value="pwc"/>
      <property name="maxConnectionsPerPartition" value="5"/>
      <property name="minConnectionsPerPartition" value="10"/>
      <property name="partitionCount" value="3"/>
      <property name="acquireIncrement" value="5"/>
      <property name="statementsCacheSize" value="100"/>
      <property name="releaseHelperThreads" value="3"/>
  </bean>

<!-- Init EntityManagerFactory bean -->
  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" destroy-method="destroy">
    <property name="dataSource" ref="boneCPDataSource" />
    <property name="packagesToScan" value="com.powerclick.security.entity"/>
    <property name="persistenceUnitName" value="pwcOLTP"/>
      <property name="jpaVendorAdapter">
          <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
              <property name="database"    value="POSTGRESQL"/>
              <property name="generateDdl" value="false" />
              <property name="showSql" value="false" />
          </bean>
      </property>
      <property name="jpaPropertyMap">
          <map>
              <entry key="hibernate.dialect" value="org.hibernate.dialect.PostgreSQL82Dialect" />
              <entry key="hibernate.hbm2ddl.auto" value="update" />
              <entry key="hibernate.format_sql" value="true" />
              <entry key="hibernate.show_sql" value="false" />
              <entry key="hibernate.use_sql_comments" value="true" />
              <entry key="hibernate.jdbc.batch_size" value="100" />
              <entry key="hibernate.cache.use_second_level_cache" value="false" />
          </map>
      </property>
  </bean>

  <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
      <property name="entityManagerFactory" ref="entityManagerFactory" />
  </bean>

  <tx:annotation-driven transaction-manager="transactionManager" />