updated Dockerfile and debug logging

Dockerfile

@@ -131,6 +131,8 @@ RUN if [ "$VERSION_ODD" = "latest" ] ; then \
 #    && rm -r /tmp/encoding
 #clone the latest version of https://github.com/music-encoding/encoding-tools/
 RUN git clone --depth 1 -b main https://github.com/music-encoding/encoding-tools /tmp/encoding \
+    && cd /tmp/encoding    
+    && git rev-parse HEAD > /tmp/encoding/GITHASH \
     && mkdir -p  ${MEI_SOURCES_HOME}/music-stylesheets/encoding-tools \
     && cp -r /tmp/encoding/*  ${MEI_SOURCES_HOME}/music-stylesheets/encoding-tools \
     && rm -r /tmp/encoding
@@ -203,7 +205,7 @@ RUN curl -s -L -o /tmp/mei200.zip https://github.com/music-encoding/music-encodi
     && git rev-parse HEAD > /tmp/meidev/GITHASH \
     && mkdir -p  ${MEI_SOURCES_HOME}/music-encoding/meidev \
     && cp -r /tmp/meidev/*  ${MEI_SOURCES_HOME}/music-encoding/meidev \
-    && curl -s -L -o ${MEI_SOURCES_HOME}/music-encoding/meidev/source/mei-source_canonicalized.xml https://raw.githubusercontent.com/music-encoding/schema/main/dev/mei-source_canonicalized.xml \
+    && curl -s -L -o ${MEI_SOURCES_HOME}/music-encoding/meidev/source/mei-source_canonicalized.xml https://raw.githubusercontent.com/music-encoding/schema/main/dev/mei-source_canonicalized_v5.1-dev.xml \
     && rm -r /tmp/meidev
 
 #https://github.com/Edirom/data-configuration - no releases, clone most recent version in dev branch and move to correct folder

src/main/java/pl/psnc/dl/ege/webapp/servlet/InfoServlet.java

@@ -6,6 +6,8 @@
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import pl.psnc.dl.ege.webapp.servlethelpers.Info;
 
 import javax.servlet.ServletException;
@@ -24,6 +26,7 @@
         @Tag(name = "ege-webservice", description = "Conversion, Validation and Customization")
 })
 public class InfoServlet extends HttpServlet {
+    private static final Logger LOGGER = LogManager.getLogger(InfoServlet.class);
     Info info = new Info();
     @Override
     @GET
@@ -39,6 +42,7 @@ public class InfoServlet extends HttpServlet {
     })
     public void doGet(@Parameter(hidden = true) HttpServletRequest request, @Parameter(hidden = true) HttpServletResponse response)
             throws IOException, ServletException {
+        LOGGER.debug("REQUEST: " + request.getRequestURL() + " " + request.getContextPath() + " " + request.toString());
         info.doGetHelper(request, response, this);
     }