; Line#: 27; Column#: 118
javax.xml.transform.TransformerException: The prefix "hydra" for element "hydra:execute-pl" is not bound.
	at org.apache.xalan.transformer.TransformerImpl.fatalError(TransformerImpl.java:736)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:712)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1119)
	at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1097)
	at com.barcelo.filtros.miXSLTFilter.doFilter(miXSLTFilter.java:103)
	at com.caucho.server.http.FilterChainFilter.doFilter(FilterChainFilter.java:88)
	at com.caucho.server.http.Invocation.service(Invocation.java:315)
	at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
	at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:253)
	at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:170)
	at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
	at java.lang.Thread.run(Thread.java:595)