GGUS: https://ggus.eu/tech/ticket_show.php?ticket=93438

the CREAM logs may contain stack trace info which may waste the logs itself.
For example, if the leaseId doesn't exist for any reason, CREAM logs the related error with extra info not so much useful for debugging things:

18 Apr 2013 10:33:22,215 ERROR CREAM2Service - lease id "Condor#atlpan#voatlas296.cern.ch#voatlas296.cern.ch" not found!
org.glite.ce.creamapi.cmdmanagement.CommandException: lease id "Condor#atlpan#voatlas296.cern.ch#voatlas296.cern.ch" not found!
at org.glite.ce.cream.cmdmanagement.CommandManager.execute(CommandManager.java:307)
at org.glite.ce.cream.ws.CREAM2Service.jobRegister(CREAM2Service.java:889)
at org.glite.ce.creamapi.ws.cream2.CREAMMessageReceiverInOut.invokeBusinessLogic(CREAMMessageReceiverInOut.java:276)
at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
at java.lang.Thread.run(Thread.java:662)