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org.xml.sax.SAXParseException: Content is not allowed in prolog. at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580) at org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:370) at org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:97) at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:129) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at org.apache.naming.NamingContext.lookup(NamingContext.java:792) at org.apache.naming.NamingContext.lookup(NamingContext.java:152) at org.apache.catalina.realm.UserDatabaseRealm.start(UserDatabaseRealm.java:222) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1003) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:440) at org.apache.catalina.core.StandardService.start(StandardService.java:450) at org.apache.catalina.core.StandardServer.start(StandardServer.java:683) at org.apache.catalina.startup.Catalina.start(Catalina.java:537) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)