--- apache-tomcat-9.0.27-src/build.xml	2019-10-07 12:01:06.000000000 +0200
+++ apache-tomcat-9.0.27-src/build.xml	2019-11-16 00:52:57.833495494 +0100
@@ -1859,7 +1859,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1881,7 +1881,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1902,7 +1902,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1923,7 +1923,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1944,7 +1944,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1962,9 +1962,10 @@
       docencoding="UTF-8"
       charset="UTF-8"
       additionalparam="-breakiterator -notimestamp"
+	  source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1984,7 +1985,7 @@
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1995,8 +1996,6 @@
       <link href="../elapi"/>
       <link href="../websocketapi"/>
       <link href="../jaspicapi"/>
-      <link href="https://docs.oracle.com/javase/8/docs/api/"/>
-      <link href="https://javaee.github.io/javaee-spec/javadocs/"/>
       <packageset dir="${tomcat.dist}/src/java/">
         <include name="org/**"/>
         <exclude name="org/apache/el/parser/**"/>