log4j2.configuration wasn't loading

web/src/main/java/lcsb/mapviewer/web/config/WebAppInitializer.java

 package lcsb.mapviewer.web.config;
 
+import java.net.URL;
+import java.util.EnumSet;
+
+import javax.servlet.*;
+
+import org.apache.logging.log4j.core.LoggerContext;
+import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
+
 import lcsb.mapviewer.annotation.SpringAnnotationConfig;
 import lcsb.mapviewer.api.SpringRestApiConfig;
 import lcsb.mapviewer.common.Configuration;
 import lcsb.mapviewer.persist.SpringPersistConfig;
 import lcsb.mapviewer.services.SpringServiceConfig;
-import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
-
-import javax.servlet.*;
-import java.util.EnumSet;
 
 public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
 
@@ -45,6 +49,21 @@ public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServlet
     assert container.setInitParameter("javax.faces.DEFAULT_SUFFIX", ".xhtml");
     assert container.setInitParameter("javax.faces.FACELETS_SKIP_COMMENTS", "true");
 
+    // FIXME: Why does this not work?
+    // assert container.setInitParameter("log4jConfigLocation",
+    // "/WEB-INF/resources/log4j2.properties");
+
+    // Workaround for above
+    String file = "/WEB-INF/resources/log4j2.properties";
+    try {
+      URL configStream = container.getResource(file);
+      LoggerContext context = (org.apache.logging.log4j.core.LoggerContext) org.apache.logging.log4j.LogManager
+          .getContext(false);
+      context.setConfigLocation(configStream.toURI());
+    } catch (Exception e) {
+      logger.error("Problem with loading log4j configuration: " + file);
+    }
+
     SessionCookieConfig cookieConfig = container.getSessionCookieConfig();
     cookieConfig.setName(Configuration.AUTH_TOKEN);
     cookieConfig.setHttpOnly(false);