[Core] Error in scheduler when removing adaptor

[luis100]

When an adaptor is removed in the adminstration page, an null pointer exception occurs in scheduler.

15:37:04,418 INFO  [eu.scape_project.watch.adaptor.AdaptorManager] (http-localhost-127.0.0.1-8080-1) Shutting down plugin: c3po-0.0.5
15:37:04,419 ERROR [eu.scape_project.watch.web.TemplateService] (http-localhost-127.0.0.1-8080-1) Error invoking mustache controller method: boolean eu.scape_project.watch.web.Administration.redirectPostData() throws java.io.IOException: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_10]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_10]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_10]
    at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_10]
    at eu.scape_project.watch.web.TemplateService.execute(TemplateService.java:200) [classes:]
    at eu.scape_project.watch.web.TemplateService.service(TemplateService.java:111) [classes:]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
    at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
    at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_10]
Caused by: java.lang.NullPointerException
    at eu.scape_project.watch.scheduling.quartz.QuartzAdaptorCache.getAdaptorJobKey(QuartzAdaptorCache.java:41) [scout-core-0.1.0.jar:]
    at eu.scape_project.watch.scheduling.quartz.QuartzScheduler.stopAdaptor(QuartzScheduler.java:172) [scout-core-0.1.0.jar:]
    at eu.scape_project.watch.main.ScoutManager$2.onRemoved(ScoutManager.java:171) [scout-core-0.1.0.jar:]
    at eu.scape_project.watch.main.ScoutManager$2.onRemoved(ScoutManager.java:1) [scout-core-0.1.0.jar:]
    at eu.scape_project.watch.dao.DAO.fireOnRemoved(DAO.java:183) [scout-model-0.1.0.jar:]
    at eu.scape_project.watch.domain.SourceAdaptor.delete(SourceAdaptor.java:380) [scout-model-0.1.0.jar:]
    at eu.scape_project.watch.dao.AbstractDO.delete(AbstractDO.java:221) [scout-model-0.1.0.jar:]
    at eu.scape_project.watch.dao.SourceAdaptorDAO.delete(SourceAdaptorDAO.java:232) [scout-model-0.1.0.jar:]
    at eu.scape_project.watch.dao.DAO.delete(DAO.java:260) [scout-model-0.1.0.jar:]
    at eu.scape_project.watch.web.Administration.redirectPostData(Administration.java:67) [classes:]
    ... 20 more