I have posted my xml files only.
Pleased find below an example of the log.
Has I have a test instance of Alfresco, I have just modified the xml and the restart the app.
2015-01-22 16:16:41,275 ERROR [extensions.webscripts.AbstractRuntime] [ajp-bio-8009-exec-12] Exception from executeScript - redirecting to status template error: 00220000 Wrapped Exception (with status template): 00220006 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js': Namespace prefix ft is not mapped to a namespace URI
org.springframework.extensions.webscripts.WebScriptException: 00220000 Wrapped Exception (with status template): 00220006 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js': Namespace prefix ft is not mapped to a namespace URI
at org.springframework.extensions.webscripts.AbstractWebScript.createStatusException(AbstractWebScript.java:1126)
at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:171)
at org.alfresco.repo.web.scripts.RepositoryContainer$3.execute(RepositoryContainer.java:470)
at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:454)
at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:532)
at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:600)
at org.alfresco.repo.web.scripts.RepositoryContainer.executeScriptInternal(RepositoryContainer.java:380)
at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:261)
at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378)
at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)
at org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.alfresco.scripts.ScriptException: 00220006 Failed to execute script 'classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js': Namespace prefix ft is not mapped to a namespace URI
at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:204)
at org.alfresco.repo.processor.ScriptServiceImpl.execute(ScriptServiceImpl.java:212)
at org.alfresco.repo.processor.ScriptServiceImpl.executeScript(ScriptServiceImpl.java:174)
at org.alfresco.repo.web.scripts.RepositoryScriptProcessor.executeScript(RepositoryScriptProcessor.java:102)
at org.springframework.extensions.webscripts.AbstractWebScript.executeScript(AbstractWebScript.java:1364)
at org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:86)
… 33 more
Caused by: org.alfresco.service.namespace.NamespaceException: Namespace prefix ft is not mapped to a namespace URI
at org.alfresco.service.namespace.QName.createQName(QName.java:102)
at org.alfresco.service.namespace.QName.createQName(QName.java:124)
at org.alfresco.repo.jscript.ScriptNode.createQName(ScriptNode.java:3471)
at org.alfresco.repo.jscript.ScriptNode.specializeType(ScriptNode.java:1718)
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:606)
at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:126)
at org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:225)
at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16._c_main_1(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js:24)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16.call(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js)
at org.mozilla.javascript.optimizer.OptRuntime.callName0(OptRuntime.java:74)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16._c_script_0(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js:33)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16.call(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js)
at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:394)
at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3091)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16.call(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js)
at org.mozilla.javascript.gen.classpath__alfresco_templates_webscripts_org_alfresco_slingshot_documentlibrary_type_post_json_js_16.exec(classpath*:alfresco/templates/webscripts/org/alfresco/slingshot/documentlibrary/type.post.json.js)
at org.alfresco.repo.jscript.RhinoScriptProcessor.executeScriptImpl(RhinoScriptProcessor.java:502)
at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:200)
… 38 more