pessoal nao estou conseguindo remover um objeto de uma lista, o escopo do meu managedBean é ViewScope, uso um filtro para abrir transacao,commitar e fechar;
<p:dataList value="#{acoesAdmBean.acoes}" var="a">
<p:column>
<p:panel>
#{a.nome}
<h:commandLink value="Editar">
<f:ajax render=":form"/>
<f:setPropertyActionListener value="#{a}" target="#{acoesAdmBean.acao}"/>
</h:commandLink>
<h:outputLabel value="|"/>
<h:commandLink value="Remover" action="#{acoesAdmBean.remover}">
<f:ajax render=":form :listaForm"/>
<f:setPropertyActionListener value="#{a}" target="#{acoesAdmBean.acao}"/>
</h:commandLink>
<br/>
#{a.descricao}
</p:panel>
</p:column>
</p:dataList>
public void remover(){
AcoesDAO dao = new AcoesDAO(getEm());
dao.remove(acao);
acao = new Acoes();
campanha = getEm().merge(campanha);
acoes = (List<Acoes>) campanha.getAcoes();
}
o erro
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
java.lang.IllegalStateException: Transaction not active
at org.hibernate.ejb.TransactionImpl.rollback(TransactionImpl.java:104)
at br.com.jsync.myjob.util.EntityManagerFiltro.doFilter(EntityManagerFiltro.java:57)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:619)