diff --git a/apps/routerconsole/java/src/net/i2p/router/web/SummaryBarRenderer.java b/apps/routerconsole/java/src/net/i2p/router/web/SummaryBarRenderer.java
index 29223c7bf..002f7983b 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/SummaryBarRenderer.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/SummaryBarRenderer.java
@@ -18,6 +18,7 @@ import net.i2p.router.RouterContext;
 import net.i2p.router.news.NewsEntry;
 import net.i2p.router.news.NewsManager;
 import net.i2p.util.PortMapper;
+import net.i2p.util.SystemVersion;
 
 /**
  *  Refactored from summarynoframe.jsp to save ~100KB
@@ -345,6 +346,13 @@ public class SummaryBarRenderer {
                .append(_t("Warning: ECDSA is not available. Update your Java or OS"))
                .append("</a></h4>\n");
         }
+        if (!SystemVersion.isJava7()) {
+            buf.append("<hr><h4>")
+               .append(_t("Warning: Java version {0} is no longer supported by I2P.", System.getProperty("java.version")))
+               .append(' ')
+               .append(_t("Update Java to version {0} or higher to receive I2P updates.", "7"))
+               .append("</h4>\n");
+        }
         return buf.toString();
     }
 
@@ -665,6 +673,11 @@ public class SummaryBarRenderer {
         return Messages.getString(s, _context);
     }
 
+    /** @since 0.9.23 */
+    private String _t(String s, Object o) {
+        return Messages.getString(s, o, _context);
+    }
+
     /**
      *  Where the translation is to two words or more,
      *  prevent splitting across lines