Index: apache-tomcat-9.0.33-src/build.xml
===================================================================
--- apache-tomcat-9.0.33-src.orig/build.xml
+++ apache-tomcat-9.0.33-src/build.xml
@@ -1891,7 +1891,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1913,7 +1913,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1934,7 +1934,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1955,7 +1955,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1976,7 +1976,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -1994,9 +1994,10 @@ Apache Tomcat ${version} native binaries
       docencoding="UTF-8"
       charset="UTF-8"
       additionalparam="-breakiterator -notimestamp"
+	  source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -2016,7 +2017,7 @@ Apache Tomcat ${version} native binaries
       source="${compile.source}"
       maxmemory="512m"
       failonerror="true"
-      failonwarning="true">
+      failonwarning="false">
       <classpath>
         <path refid="compile.classpath"/>
         <path location="${ant.core.lib}"/>
@@ -2027,8 +2028,6 @@ Apache Tomcat ${version} native binaries
       <link href="../elapi"/>
       <link href="../websocketapi"/>
       <link href="../jaspicapi"/>
-      <link href="https://docs.oracle.com/javase/8/docs/api/"/>
-      <link href="https://javaee.github.io/javaee-spec/javadocs/"/>
       <packageset dir="${tomcat.dist}/src/java/">
         <include name="org/**"/>
         <exclude name="org/apache/el/parser/**"/>