diff --git a/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp b/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
index 7ac235986fb..1369a9a0e60 100644
--- a/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
+++ b/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
@@ -1478,6 +1478,9 @@ void LIR_Assembler::cmove(LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, L
           __ mov_double(result->as_double_reg(), c->as_jdouble(), acond);
 #endif // __SOFTFP__
           break;
+        case T_METADATA:
+          __ mov_metadata(result->as_register(), c->as_metadata(), acond);
+          break;
         default:
           ShouldNotReachHere();
       }
diff --git a/src/hotspot/share/c1/c1_LIR.hpp b/src/hotspot/share/c1/c1_LIR.hpp
index a9dfc6a0264..c50ca261da3 100644
--- a/src/hotspot/share/c1/c1_LIR.hpp
+++ b/src/hotspot/share/c1/c1_LIR.hpp
@@ -2439,7 +2439,7 @@ class LIR_OpVisitState: public StackObj {
   typedef enum { inputMode, firstMode = inputMode, tempMode, outputMode, numModes, invalidMode = -1 } OprMode;
 
   enum {
-    maxNumberOfOperands = 20,
+    maxNumberOfOperands = 21,
     maxNumberOfInfos = 4
   };
 
diff --git a/src/hotspot/share/prims/jvmtiImpl.cpp b/src/hotspot/share/prims/jvmtiImpl.cpp
index 2797bb2748f..d315df986dd 100644
--- a/src/hotspot/share/prims/jvmtiImpl.cpp
+++ b/src/hotspot/share/prims/jvmtiImpl.cpp
@@ -611,7 +611,7 @@ void VM_BaseGetOrSetLocal::doit() {
 
   frame fr = _jvf->fr();
   if (_set && _depth != 0 && Continuation::is_frame_in_continuation(_jvf->thread(), fr)) {
-    _result = JVMTI_ERROR_OPAQUE_FRAME; // deferred locals currently unsupported in continuations
+    _result = JVMTI_ERROR_OPAQUE_FRAME; // deferred locals are not fully supported in continuations
     return;
   }
 
@@ -644,6 +644,17 @@ void VM_BaseGetOrSetLocal::doit() {
     return;
   }
   if (_set) {
+    if (fr.is_heap_frame()) { // we want this check after the check for JVMTI_ERROR_INVALID_SLOT
+      assert(Continuation::is_frame_in_continuation(_jvf->thread(), fr), "sanity check");
+      // If the topmost frame is a heap frame, then it hasn't been thawed. This can happen
+      // if we are executing at a return barrier safepoint. The callee frame has been popped,
+      // but the caller frame has not been thawed. We can't support a JVMTI SetLocal in the callee
+      // frame at this point, because we aren't truly in the callee yet.
+      // fr.is_heap_frame() is impossible if a continuation is at a single step or breakpoint.
+      _result = JVMTI_ERROR_OPAQUE_FRAME; // deferred locals are not fully supported in continuations
+      return;
+    }
+
     // Force deoptimization of frame if compiled because it's
     // possible the compiler emitted some locals as constant values,
     // meaning they are not mutable.
diff --git a/src/java.base/share/classes/jdk/internal/jimage/ImageReader.java b/src/java.base/share/classes/jdk/internal/jimage/ImageReader.java
index 367ad1c5cfb..f12c39f3e81 100644
--- a/src/java.base/share/classes/jdk/internal/jimage/ImageReader.java
+++ b/src/java.base/share/classes/jdk/internal/jimage/ImageReader.java
@@ -458,7 +458,11 @@ public final class ImageReader implements AutoCloseable {
                     makeDirectories(path);
                 } else { // a resource
                     makeDirectories(childloc.buildName(true, true, false));
-                    newResource(dir, childloc);
+                    // if we have already created a resource for this name previously, then don't
+                    // recreate it
+                    if (!nodes.containsKey(childloc.getFullName(true))) {
+                        newResource(dir, childloc);
+                    }
                 }
             });
             dir.setCompleted(true);
@@ -753,6 +757,7 @@ public final class ImageReader implements AutoCloseable {
         }
 
         void addChild(Node node) {
+            assert !children.contains(node) : "Child " + node + " already added";
             children.add(node);
         }
 
diff --git a/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html b/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html
index f5f7d314e87..70f394d460c 100644
--- a/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html
+++ b/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html
@@ -5,7 +5,7 @@
   <title>AWT Threading Issues</title>
 </head>
 <!--
- Copyright (c) 2002, 2021, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2002, 2022, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
@@ -118,11 +118,7 @@ The implementation-specific details are given below.
 Implementation-dependent behavior.
 </h3>
 
-Prior to 1.4, the helper threads were never terminated.
-<p>
-Starting with 1.4, the behavior has changed as a result of the fix for
-<a href="https://bugs.java.com/view_bug.do?bug_id=4030718">
-4030718</a>. With the current implementation, AWT terminates all its
+AWT terminates all its
 helper threads allowing the application to exit cleanly when the
 following three conditions are true:
 <ul>
@@ -153,13 +149,7 @@ exit cleanly under normal conditions, it is not guaranteed that it
 will exit cleanly in all cases. Two examples:
 <ul>
   <li> Other packages can create displayable components for internal
-       needs and never make them undisplayable. See
-<a href="https://bugs.java.com/view_bug.do?bug_id=4515058">
-4515058</a>,
-<a href="https://bugs.java.com/view_bug.do?bug_id=4671025">
-4671025</a>, and
-<a href="https://bugs.java.com/view_bug.do?bug_id=4465537">
-4465537</a>.
+       needs and never make them undisplayable.
   <li> Both Microsoft Windows and X11 allow an application to send native
        events to windows that belong to another application. With this
        feature it is possible to write a malicious program that will
diff --git a/src/java.desktop/share/classes/javax/imageio/plugins/tiff/ExifTIFFTagSet.java b/src/java.desktop/share/classes/javax/imageio/plugins/tiff/ExifTIFFTagSet.java
index 443465ec59c..b48fcde60f0 100644
--- a/src/java.desktop/share/classes/javax/imageio/plugins/tiff/ExifTIFFTagSet.java
+++ b/src/java.desktop/share/classes/javax/imageio/plugins/tiff/ExifTIFFTagSet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,8 +32,8 @@ import java.util.List;
  * A class representing the tags found in an Exif IFD.  Exif is a
  * standard for annotating images used by most digital camera
  * manufacturers.  The Exif specification may be found at
- * <a href="http://www.exif.org/Exif2-2.PDF">
- * {@code http://www.exif.org/Exif2-2.PDF}
+ * <a href="https://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf">
+ * {@code https://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf}
  * </a>.
  *
  * <p> The definitions of the data types referenced by the field
diff --git a/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalLookAndFeel.java b/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalLookAndFeel.java
index 4142a92eb96..3fafcba2b59 100644
--- a/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalLookAndFeel.java
+++ b/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalLookAndFeel.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2140,8 +2140,7 @@ public class MetalLookAndFeel extends BasicLookAndFeel
 
     /**
      * Returns a {@code LayoutStyle} implementing the Java look and feel
-     * design guidelines as specified at
-     * <a href="http://www.oracle.com/technetwork/java/hig-136467.html">http://www.oracle.com/technetwork/java/hig-136467.html</a>.
+     * design guidelines.
      *
      * @return LayoutStyle implementing the Java look and feel design
      *         guidelines
diff --git a/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html b/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html
index f7c87746bd8..5596eb1cecd 100644
--- a/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html
+++ b/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html
@@ -5,7 +5,7 @@
   <title>Using the Multiplexing Look and Feel</title>
 </head>
 <!--
- Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 1998, 2022, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
@@ -33,19 +33,6 @@
 <main role="main">
 <h1>Using the Multiplexing Look and Feel</h1>
 
-<blockquote>
-<hr>
-<p>
-<i>
-This document is based on an article
-originally published in
-<a href="http://www.oracle.com/technetwork/java/javase/tech/articles-jsp-139072.html"
-   target="_top"><em>The Swing Connection</em></a>.
-</i>
-</p>
-<hr>
-</blockquote>
-
 <p>
 The Multiplexing look and feel lets
 you supplement an ordinary look and feel
diff --git a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/AttributeMap.java b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/AttributeMap.java
index adc78c15039..2b2f98a3205 100644
--- a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/AttributeMap.java
+++ b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/AttributeMap.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -39,7 +39,7 @@ import org.w3c.dom.Node;
  *
  * @xerces.internal
  *
- * @LastModified: Oct 2017
+ * @LastModified: June 2022
  */
 public class AttributeMap extends NamedNodeMapImpl {
 
@@ -117,7 +117,7 @@ public class AttributeMap extends NamedNodeMapImpl {
         } else {
             i = -1 - i; // Insert point (may be end of list)
             if (null == nodes) {
-                nodes = new ArrayList<>(5);
+                nodes = new ArrayList<>();
             }
             nodes.add(i, arg);
         }
@@ -193,7 +193,7 @@ public class AttributeMap extends NamedNodeMapImpl {
             } else {
                 i = -1 - i; // Insert point (may be end of list)
                 if (null == nodes) {
-                    nodes = new ArrayList<>(5);
+                    nodes = new ArrayList<>();
                 }
                 nodes.add(i, arg);
             }
@@ -591,7 +591,7 @@ public class AttributeMap extends NamedNodeMapImpl {
             else {
                 i = -1 - i; // Insert point (may be end of list)
                 if (null == nodes) {
-                    nodes = new ArrayList<>(5);
+                    nodes = new ArrayList<>();
                 }
                 nodes.add(i, arg);
             }
diff --git a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/DOMNormalizer.java b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/DOMNormalizer.java
index 4903448394b..22198efcbb8 100644
--- a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/DOMNormalizer.java
+++ b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/DOMNormalizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -89,7 +89,7 @@ import org.w3c.dom.Text;
  *
  * @author Elena Litani, IBM
  * @author Neeraj Bajaj, Sun Microsystems, inc.
- * @LastModified: Apr 2019
+ * @LastModified: June 2022
  */
 public class DOMNormalizer implements XMLDocumentHandler {
 
@@ -140,9 +140,6 @@ public class DOMNormalizer implements XMLDocumentHandler {
     /** Stores all namespace bindings on the current element */
     protected final NamespaceContext fLocalNSBinder = new NamespaceSupport();
 
-    /** list of attributes */
-    protected final List<Node> fAttributeList = new ArrayList<>(5);
-
     /** DOM Locator -  for namespace fixup algorithm */
     protected final DOMLocatorImpl fLocator = new DOMLocatorImpl();
 
@@ -885,9 +882,9 @@ public class DOMNormalizer implements XMLDocumentHandler {
         if (attributes != null) {
 
             // clone content of the attributes
-            attributes.cloneMap(fAttributeList);
-            for (int i = 0; i < fAttributeList.size(); i++) {
-                Attr attr = (Attr) fAttributeList.get(i);
+            List<Node> attrList = attributes.cloneMap(new ArrayList<>());
+            for (int i = 0; i < attrList.size(); i++) {
+                Attr attr = (Attr) attrList.get(i);
                 fLocator.fRelatedNode = attr;
 
                 if (DEBUG) {
diff --git a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/NamedNodeMapImpl.java b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/NamedNodeMapImpl.java
index 306aefc2432..a2b3e3269a5 100644
--- a/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/NamedNodeMapImpl.java
+++ b/src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/NamedNodeMapImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -56,7 +56,7 @@ import org.w3c.dom.Node;
  * @xerces.internal
  *
  * @since  PR-DOM-Level-1-19980818.
- * @LastModified: Jan 2018
+ * @LastModified: June 2022
  */
 public class NamedNodeMapImpl
     implements NamedNodeMap, Serializable {
@@ -197,7 +197,7 @@ public class NamedNodeMapImpl
         } else {
             i = -1 - i; // Insert point (may be end of list)
             if (null == nodes) {
-                nodes = new ArrayList<>(5);
+                nodes = new ArrayList<>();
             }
             nodes.add(i, arg);
         }
@@ -247,7 +247,7 @@ public class NamedNodeMapImpl
             } else {
                 i = -1 - i; // Insert point (may be end of list)
                 if (null == nodes) {
-                    nodes = new ArrayList<>(5);
+                    nodes = new ArrayList<>();
                 }
                 nodes.add(i, arg);
             }
@@ -562,7 +562,7 @@ public class NamedNodeMapImpl
             else {
                 i = -1 - i; // Insert point (may be end of list)
                 if (null == nodes) {
-                    nodes = new ArrayList<>(5);
+                    nodes = new ArrayList<>();
                 }
                 nodes.add(i, arg);
             }
diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java
index e6c76b3fd2a..6095a7a42bb 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java
@@ -97,6 +97,7 @@ import com.sun.tools.javac.tree.JCTree.JCSwitchExpression;
 import com.sun.tools.javac.tree.JCTree.LetExpr;
 import com.sun.tools.javac.tree.TreeInfo;
 import com.sun.tools.javac.util.Assert;
+import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
 import com.sun.tools.javac.util.List;
 
 /**
@@ -284,7 +285,7 @@ public class TransPatterns extends TreeTranslator {
                 names.fromString(target.syntheticNameChar() + "c" + target.syntheticNameChar() + component.name),
                                  component.erasure(types),
                                  currentMethodSym);
-            Symbol accessor = getAccessor(component);
+            Symbol accessor = getAccessor(tree.pos(), component);
             JCVariableDecl nestedTempVar =
                     make.VarDef(nestedTemp,
                                 make.App(make.QualIdent(accessor),
@@ -344,12 +345,8 @@ public class TransPatterns extends TreeTranslator {
         result = test != null ? test : makeLit(syms.booleanType, 1);
     }
 
-    private MethodSymbol getAccessor(RecordComponent component) {
+    private MethodSymbol getAccessor(DiagnosticPosition pos, RecordComponent component) {
         return component2Proxy.computeIfAbsent(component, c -> {
-            MethodSymbol realAccessor = (MethodSymbol) component.owner
-                                                 .members()
-                                                 .findFirst(component.name, s -> s.kind == Kind.MTH &&
-                                                                                 ((MethodSymbol) s).params.isEmpty());
             MethodType type = new MethodType(List.of(component.owner.erasure(types)),
                                              types.erasure(component.type),
                                              List.nil(),
@@ -359,7 +356,7 @@ public class TransPatterns extends TreeTranslator {
                                                   type,
                                                   currentClass);
             JCStatement accessorStatement =
-                    make.Return(make.App(make.Select(make.Ident(proxy.params().head), realAccessor)));
+                    make.Return(make.App(make.Select(make.Ident(proxy.params().head), c.accessor)));
             VarSymbol ctch = new VarSymbol(Flags.SYNTHETIC,
                     names.fromString("catch" + currentClassTree.pos + target.syntheticNameChar()),
                     syms.throwableType,
diff --git a/src/jdk.httpserver/share/classes/com/sun/net/httpserver/SimpleFileServer.java b/src/jdk.httpserver/share/classes/com/sun/net/httpserver/SimpleFileServer.java
index 2952a40b142..7b9331b86b8 100644
--- a/src/jdk.httpserver/share/classes/com/sun/net/httpserver/SimpleFileServer.java
+++ b/src/jdk.httpserver/share/classes/com/sun/net/httpserver/SimpleFileServer.java
@@ -42,8 +42,7 @@ import sun.net.httpserver.simpleserver.OutputFilter;
  * A simple HTTP file server and its components (intended for testing,
  * development and debugging purposes only).
  *
- * <p> A <a href="#server-impl">simple file server</a> is composed of three
- * components:
+ * <p> A simple file server is composed of three components:
  * <ul>
  *   <li> an {@link HttpServer HttpServer} that is bound to a given address, </li>
  *   <li> an {@link HttpHandler HttpHandler} that serves files from a given
diff --git a/test/hotspot/jtreg/ProblemList.txt b/test/hotspot/jtreg/ProblemList.txt
index 2ae606f04f9..2e9184cfc63 100644
--- a/test/hotspot/jtreg/ProblemList.txt
+++ b/test/hotspot/jtreg/ProblemList.txt
@@ -111,6 +111,7 @@ serviceability/sa/sadebugd/DebugdConnectTest.java 8239062,8270326 macosx-x64,mac
 serviceability/sa/TestRevPtrsForInvokeDynamic.java 8241235 generic-all
 
 serviceability/jvmti/ModuleAwareAgents/ThreadStart/MAAThreadStart.java 8225354 windows-all
+serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java 8286836 generic-all
 serviceability/dcmd/gc/RunFinalizationTest.java 8227120 linux-all,windows-x64
 
 serviceability/sa/ClhsdbCDSCore.java 8269982,8267433 macosx-aarch64,macosx-x64
diff --git a/test/hotspot/jtreg/compiler/c1/TestManyMethodParameters.java b/test/hotspot/jtreg/compiler/c1/TestManyMethodParameters.java
new file mode 100644
index 00000000000..de7fe3fb6be
--- /dev/null
+++ b/test/hotspot/jtreg/compiler/c1/TestManyMethodParameters.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2022 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 8288781
+ * @summary Test if a call with 8 integer + 13 float = 21 parameters can can be compiled.
+ *          On ppc all parameters can be passed in registers.
+ * @author Richard Reingruber
+ *
+ * @run main/othervm -Xbatch -XX:CompileCommand=dontinline,*::*dontinline* compiler.c1.TestManyMethodParameters
+ */
+
+package compiler.c1;
+
+public class TestManyMethodParameters {
+    public static void main(String[] args) {
+        for (int i = 30_000; i >= 0; i--) {
+            double sum = testMethod_01_dontinline();
+            if (sum != 127) {
+                throw new Error("Wrong sum: " + sum);
+            }
+        }
+    }
+
+    public static double testMethod_01_dontinline() {
+        return testMethod_01_manyArgs(1, 2, 3, 4, 5, 6, 7, 8,
+                                      1.0d, 2.0d, 3.0d, 4.0d, 5.0d, 6.0d, 7.0d, 8.0d, 9.0d, 10.0d, 11.0d, 12.0d, 13.0d);
+    }
+
+    public static double testMethod_01_manyArgs(long l1, long l2, long l3, long l4, long l5, long l6, long l7, long l8,
+                                                double d1, double d2, double d3, double d4, double d5, double d6, double d7,
+                                                double d8, double d9, double d10, double d11, double d12, double d13) {
+        return l1+l2+l3+l4+l5+l6+l7+l8+d1+d2+d3+d4+d5+d6+d7+d8+d9+d10+d11+d12+d13;
+    }
+}
diff --git a/test/hotspot/jtreg/runtime/classFileParserBug/Bad_NCDFE_Msg.java b/test/hotspot/jtreg/runtime/classFileParserBug/Bad_NCDFE_Msg.java
index e8c2377d7dd..215887f7bb3 100644
--- a/test/hotspot/jtreg/runtime/classFileParserBug/Bad_NCDFE_Msg.java
+++ b/test/hotspot/jtreg/runtime/classFileParserBug/Bad_NCDFE_Msg.java
@@ -21,7 +21,7 @@
  * questions.
  */
 
-/*
+/**
  * @test
  * @bug 8288976
  * @library /test/lib
@@ -31,7 +31,6 @@
  *          java.management
  * @compile C.java
  * @run driver Bad_NCDFE_Msg
- */
 
 import java.io.File;
 import jdk.test.lib.process.ProcessTools;
diff --git a/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java b/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java
index 258cb1f6a8b..57acce70046 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java
+++ b/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java
@@ -35,8 +35,7 @@ import java.util.concurrent.*;
 public class GetSetLocalTest {
     private static final String agentLib = "GetSetLocalTest";
 
-    static final int MSG_COUNT = 600*1000;
-    static final SynchronousQueue<String> QUEUE = new SynchronousQueue<>();
+    static SynchronousQueue<String> QUEUE;
     static native boolean completed();
     static native void enableEvents(Thread thread);
     static native void testSuspendedVirtualThreads(Thread thread);
@@ -56,19 +55,17 @@ public class GetSetLocalTest {
 
     static final Runnable PRODUCER = () -> {
         try {
-            for (int i = 0; i < MSG_COUNT; i++) {
-                if (completed()) {
-                    consumer.interrupt();
-                    break;
-                }
+            while (!completed()) {
                 producer("msg: ");
             }
-        } catch (InterruptedException e) { }
+            consumer.interrupt();
+        } catch (InterruptedException e) {
+        }
     };
 
     static final Runnable CONSUMER = () -> {
         try {
-            for (int i = 0; i < MSG_COUNT; i++) {
+            while(true) {
                 String s = QUEUE.take();
             }
         } catch (InterruptedException e) {
@@ -77,6 +74,7 @@ public class GetSetLocalTest {
     };
 
     public static void test1() throws Exception {
+        QUEUE = new SynchronousQueue<>();
         producer = Thread.ofVirtual().name("VThread-Producer").start(PRODUCER);
         consumer = Thread.ofVirtual().name("VThread-Consumer").start(CONSUMER);
 
@@ -101,6 +99,10 @@ public class GetSetLocalTest {
         }
 
         GetSetLocalTest obj = new GetSetLocalTest();
-        obj.runTest();
+
+        for (int i = 0; i < 200; i++) {
+            obj.runTest();
+        }
+
     }
 }
diff --git a/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/libGetSetLocalTest.cpp b/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/libGetSetLocalTest.cpp
index 2d82ed48f13..0ed229ad86b 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/libGetSetLocalTest.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/libGetSetLocalTest.cpp
@@ -232,7 +232,7 @@ test_GetLocal(jvmtiEnv *jvmti, JNIEnv *jni, jthread cthread, jthread vthread,
 
 static bool
 test_SetLocal(jvmtiEnv *jvmti, JNIEnv *jni, jthread cthread, jthread vthread,
-              int depth, int frame_count, Values *values) {
+              int depth, int frame_count, Values *values, bool at_event) {
   jvmtiError err;
 
   LOG("test_SetLocal: mounted: %d depth: %d fcount: %d\n", cthread != NULL, depth, frame_count);
@@ -288,7 +288,7 @@ test_SetLocal(jvmtiEnv *jvmti, JNIEnv *jni, jthread cthread, jthread vthread,
       fatal(jni, "JVMTI SetLocalObject for unmounted vthread pr depth > 0failed to return JVMTI_ERROR_OPAQUE_FRAME");
     }
     return false; // skip testing other types for unmounted vthread
-  } else if (err == JVMTI_ERROR_OPAQUE_FRAME) {
+  } else if (!at_event && err == JVMTI_ERROR_OPAQUE_FRAME) {
     LOG("JVMTI SetLocalObject for mounted vthread at depth=0 returned JVMTI_ERROR_OPAQUE_FRAME: %d\n", err);
     return false; // skip testing other types for compiled frame that can't be deoptimized
   }
@@ -309,7 +309,7 @@ test_SetLocal(jvmtiEnv *jvmti, JNIEnv *jni, jthread cthread, jthread vthread,
 }
 
 static void
-test_GetSetLocal(jvmtiEnv *jvmti, JNIEnv* jni, jthread vthread, int depth, int frame_count) {
+test_GetSetLocal(jvmtiEnv *jvmti, JNIEnv* jni, jthread vthread, int depth, int frame_count, bool at_event) {
   Values values0 = { NULL, NULL, 1, 2L, (jfloat)3.2F, (jdouble)4.500000047683716 };
   Values values1 = { NULL, NULL, 2, 3L, (jfloat)4.2F, (jdouble)5.500000047683716 };
   jthread cthread = get_carrier_thread(jvmti, jni, vthread);
@@ -319,8 +319,8 @@ test_GetSetLocal(jvmtiEnv *jvmti, JNIEnv* jni, jthread vthread, int depth, int f
 
   LOG("test_GetSetLocal: test_GetLocal with values0\n");
   test_GetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values0);
-  LOG("test_GetSetLocal: test_SetLocal with values1\n");
-  bool success = test_SetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values1);
+  LOG("test_GetSetLocal: test_SetLocal at_event: %d with values1\n", at_event);
+  bool success = test_SetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values1, at_event);
 
   if (!success) {
     goto End; // skip testing for compiled frame that can't be deoptimized
@@ -334,8 +334,8 @@ test_GetSetLocal(jvmtiEnv *jvmti, JNIEnv* jni, jthread vthread, int depth, int f
   } else {
     LOG("test_GetSetLocal: test_GetLocal with values1\n");
     test_GetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values1);
-    LOG("test_GetSetLocal: test_SetLocal with values0 to restore original local values\n");
-    test_SetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values0);
+    LOG("test_GetSetLocal: test_SetLocal at_event: %d with values0 to restore original local values\n", at_event);
+    test_SetLocal(jvmti, jni, cthread, vthread, depth, frame_count, &values0, at_event);
   }
  End:
   LOG("test_GetSetLocal: finished\n\n");
@@ -360,7 +360,7 @@ Breakpoint(jvmtiEnv *jvmti, JNIEnv* jni, jthread vthread,
 
   {
     int frame_count = get_frame_count(jvmti, jni, vthread);
-    test_GetSetLocal(jvmti, jni, vthread, depth, frame_count);
+    test_GetSetLocal(jvmti, jni, vthread, depth, frame_count, true /* at_event */);
   }
   deallocate(jvmti, jni, (void*)mname);
   deallocate(jvmti, jni, (void*)tname);
@@ -470,7 +470,7 @@ Java_GetSetLocalTest_testSuspendedVirtualThreads(JNIEnv *jni, jclass klass, jthr
 #if 0
       print_stack_trace(jvmti, jni, vthread);
 #endif
-      test_GetSetLocal(jvmti, jni, vthread, depth, frame_count);
+      test_GetSetLocal(jvmti, jni, vthread, depth, frame_count, false /* !at_event */);
     }
 
     err = jvmti->ResumeThread(vthread);
@@ -487,7 +487,11 @@ Java_GetSetLocalTest_testSuspendedVirtualThreads(JNIEnv *jni, jclass klass, jthr
 
 JNIEXPORT jboolean JNICALL
 Java_GetSetLocalTest_completed(JNIEnv *jni, jclass klass) {
-  return completed;
+  if (completed) {
+    completed = JNI_FALSE;
+    return JNI_TRUE;
+  }
+  return JNI_FALSE;
 }
 
 } // extern "C"
diff --git a/test/jaxp/javax/xml/jaxp/unittest/dom/DocumentTest.java b/test/jaxp/javax/xml/jaxp/unittest/dom/DocumentTest.java
index bd8cb264141..e2254f66262 100644
--- a/test/jaxp/javax/xml/jaxp/unittest/dom/DocumentTest.java
+++ b/test/jaxp/javax/xml/jaxp/unittest/dom/DocumentTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,15 +34,20 @@ import javax.xml.parsers.DocumentBuilderFactory;
 import org.testng.Assert;
 import org.testng.annotations.Listeners;
 import org.testng.annotations.Test;
+import org.w3c.dom.Attr;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
+import org.w3c.dom.bootstrap.DOMImplementationRegistry;
 import org.w3c.dom.events.Event;
 import org.w3c.dom.events.EventListener;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSParser;
 
 /*
  * @test
- * @bug 8213117 8222743
+ * @bug 8213117 8222743 8287076
  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  * @modules java.xml
  * @modules java.xml/com.sun.org.apache.xerces.internal.dom
@@ -56,6 +61,53 @@ public class DocumentTest {
     static final int DOC1 = 1;
     static final int DOC2 = 2;
 
+    /*
+     * @bug 8287076
+     * Verifies that Document::normalizeDocument returns the same result as that
+     * prior to JDK 10 (JDK-8181150).
+     * Attribute Name:
+     *     JDK 9:                   NS1:wsu and NS2:wsu2
+     *     After the JDK 10 change: wsu and wsu2
+    */
+    @Test
+    public void testNormalizeDocument() throws Exception {
+        final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
+        final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
+        final LSParser builder = impl.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
+        final LSInput input = impl.createLSInput();
+        input.setStringData("<xml/>");
+        final Document document = builder.parse(input);
+        final Element root = document.getDocumentElement();
+
+        // Generate a single element
+        final Element element = document.createElement("token");
+        final Attr attr = element.getOwnerDocument().createAttributeNS("http://blah.xsd", "wsu");
+        attr.setValue("Id");
+        element.setAttributeNodeNS(attr);
+
+        final Attr attr2 = element.getOwnerDocument().createAttributeNS("http://blah2.xsd", "wsu2");
+        element.setAttributeNodeNS(attr2);
+
+        final Attr attr3 = element.getOwnerDocument().createAttribute("aa");
+        element.setAttributeNodeNS(attr3);
+
+        final Attr attr4 = element.getOwnerDocument().createAttribute("zz");
+        element.setAttributeNodeNS(attr4);
+
+        final Attr attr5 = element.getOwnerDocument().createAttribute("tt");
+        element.setAttributeNodeNS(attr5);
+
+        root.appendChild(element);
+
+        document.normalizeDocument();
+
+        Node wsu = element.getAttributes().getNamedItemNS("http://blah.xsd", "wsu");
+        Node wsu2 = element.getAttributes().getNamedItemNS("http://blah2.xsd", "wsu2");
+
+        Assert.assertEquals(wsu.getNodeName(), "NS1:wsu");
+        Assert.assertEquals(wsu2.getNodeName(), "NS2:wsu2");
+    }
+
     /**
      * Verifies the adoptNode method. Before a node from a deferred DOM can be
      * adopted, it needs to be fully expanded.
diff --git a/test/jdk/ProblemList.txt b/test/jdk/ProblemList.txt
index e0b25ea4e59..da5d801ec2d 100644
--- a/test/jdk/ProblemList.txt
+++ b/test/jdk/ProblemList.txt
@@ -692,7 +692,6 @@ sanity/client/SwingSet/src/ButtonDemoScreenshotTest.java 8265770 macosx-all
 
 # core_tools
 
-tools/jlink/plugins/CompressorPluginTest.java                   8247407 generic-all
 
 ############################################################################
 
diff --git a/test/jdk/java/lang/Thread/jni/AttachCurrentThread/AttachTest.java b/test/jdk/java/lang/Thread/jni/AttachCurrentThread/AttachTest.java
index a0eea14bc5c..b93e7918014 100644
--- a/test/jdk/java/lang/Thread/jni/AttachCurrentThread/AttachTest.java
+++ b/test/jdk/java/lang/Thread/jni/AttachCurrentThread/AttachTest.java
@@ -63,8 +63,6 @@ public class AttachTest {
                 .executeTestJava(opts)
                 .outputTo(System.out)
                 .errorTo(System.out);
-        int exitValue = outputAnalyzer.getExitValue();
-        if (exitValue != 0)
-            throw new RuntimeException("Test failed");
+        outputAnalyzer.shouldHaveExitValue(0);
     }
 }
diff --git a/test/jdk/java/lang/Thread/jni/AttachCurrentThread/ImplicitAttach.java b/test/jdk/java/lang/Thread/jni/AttachCurrentThread/ImplicitAttach.java
index 112f5dc8815..e5924ba08af 100644
--- a/test/jdk/java/lang/Thread/jni/AttachCurrentThread/ImplicitAttach.java
+++ b/test/jdk/java/lang/Thread/jni/AttachCurrentThread/ImplicitAttach.java
@@ -52,7 +52,7 @@ public class ImplicitAttach {
                 .findStatic(ImplicitAttach.class, "callback", MethodType.methodType(void.class));
         MemorySegment upcallStub = abi.upcallStub(callback,
                 FunctionDescriptor.ofVoid(),
-                MemorySession.openImplicit());
+                MemorySession.global());
 
         // void start_threads(int count, void *(*f)(void *))
         SymbolLookup symbolLookup = SymbolLookup.loaderLookup();
diff --git a/test/jdk/tools/jimage/ImageReaderDuplicateChildNodesTest.java b/test/jdk/tools/jimage/ImageReaderDuplicateChildNodesTest.java
new file mode 100644
index 00000000000..bec32bee0f8
--- /dev/null
+++ b/test/jdk/tools/jimage/ImageReaderDuplicateChildNodesTest.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.internal.jimage.ImageReader;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @test
+ * @bug 8247407
+ * @summary Test that ImageReader doesn't create a Directory node with duplicate children
+ * @modules java.base/jdk.internal.jimage
+ * @run main ImageReaderDuplicateChildNodesTest
+ */
+public class ImageReaderDuplicateChildNodesTest {
+
+    /**
+     * Uses the ImageReader to open and read the JAVA_HOME/lib/modules image. Tests that the
+     * {@link ImageReader#findNode(String)} corresponding to a directory doesn't return a node
+     * with duplicate children in it.
+     */
+    public static void main(final String[] args) throws Exception {
+        final Path imagePath = Paths.get(System.getProperty("java.home"), "lib", "modules");
+        if (!Files.exists(imagePath)) {
+            // skip the testing in the absence of the image file
+            System.err.println("Skipping test since " + imagePath + " is absent");
+            return;
+        }
+        System.out.println("Running test against image " + imagePath);
+        final String integersParentResource = "/modules/java.base/java/lang";
+        final String integerResource = integersParentResource + "/Integer.class";
+        try (final ImageReader reader = ImageReader.open(imagePath)) {
+            // find the child node/resource first
+            final ImageReader.Node integerNode = reader.findNode(integerResource);
+            if (integerNode == null) {
+                throw new RuntimeException("ImageReader could not locate " + integerResource
+                        + " in " + imagePath);
+            }
+            // now find the parent node (which will represent a directory)
+            final ImageReader.Node parent = reader.findNode(integersParentResource);
+            if (parent == null) {
+                throw new RuntimeException("ImageReader could not locate " + integersParentResource
+                        + " in " + imagePath);
+            }
+            // now verify that the parent node which is a directory, doesn't have duplicate children
+            final List<ImageReader.Node> children = parent.getChildren();
+            if (children == null || children.isEmpty()) {
+                throw new RuntimeException("ImageReader did not return any child resources under "
+                        + integersParentResource + " in " + imagePath);
+            }
+            final Set<ImageReader.Node> uniqueChildren = new HashSet<>();
+            for (final ImageReader.Node child : children) {
+                final boolean unique = uniqueChildren.add(child);
+                if (!unique) {
+                    throw new RuntimeException("ImageReader returned duplicate child resource "
+                            + child + " under " + parent + " from image " + imagePath);
+                }
+            }
+        }
+    }
+}
diff --git a/test/langtools/tools/javac/patterns/ProxyMethodLookup.java b/test/langtools/tools/javac/patterns/ProxyMethodLookup.java
new file mode 100644
index 00000000000..3d0eefc8d4a
--- /dev/null
+++ b/test/langtools/tools/javac/patterns/ProxyMethodLookup.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8288120
+ * @summary Verify an appropriate accessor method is looked up.
+ * @compile --enable-preview -source ${jdk.version} ProxyMethodLookup.java
+ * @run main/othervm --enable-preview ProxyMethodLookup
+ */
+public class ProxyMethodLookup {
+
+    public static void main(String[] args) {
+        Object val = new R(new Component());
+        boolean b = val instanceof R(var c);
+   }
+
+    interface ComponentBase {}
+
+    record Component() implements ComponentBase {}
+
+    sealed interface Base {
+        ComponentBase c();
+    }
+
+    record R(Component c) implements Base {}
+}