jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/util/ParserPool.java

@@ -44,10 +44,14 @@
     private SAXParserFactory factory;
 
     public ParserPool(int capacity) {
         queue = new ArrayBlockingQueue<SAXParser>(capacity);
         factory = SAXParserFactory.newInstance("com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl", SAAJUtil.getSystemClassLoader());
+        try {
+            factory.setFeature("jdk.xml.resetSymbolTable", true);
+        } catch(SAXException | ParserConfigurationException e) {
+        }
         factory.setNamespaceAware(true);
         for (int i = 0; i < capacity; i++) {
            try {
                 queue.put(factory.newSAXParser());
             } catch (InterruptedException ex) {