--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	Mon Oct 31 18:06:03 2016 -0700
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java	Tue Nov 01 10:14:42 2016 -0400
@@ -39,6 +39,7 @@
 import java.nio.file.FileSystemNotFoundException;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
+import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.ProviderNotFoundException;
@@ -66,6 +67,7 @@
 import javax.lang.model.SourceVersion;
 import javax.tools.JavaFileManager;
 import javax.tools.JavaFileManager.Location;
+import javax.tools.JavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.StandardJavaFileManager.PathFactory;
 import javax.tools.StandardLocation;
@@ -137,7 +139,11 @@
     }
 
     Path getPath(String first, String... more) {
-        return pathFactory.getPath(first, more);
+        try {
+            return pathFactory.getPath(first, more);
+        } catch (InvalidPathException ipe) {
+            throw new IllegalArgumentException(ipe);
+        }
     }
 
     public void close() throws IOException {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/T8132562/ClassPathWithDoubleQuotesTest.java	Tue Nov 01 10:14:42 2016 -0400
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2016, 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 8132562
+ * @summary javac fails with CLASSPATH with double-quotes as an environment variable
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.ToolBox toolbox.JavacTask
+ * @run main ClassPathWithDoubleQuotesTest
+*/
+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import toolbox.TestRunner;
+import toolbox.JarTask;
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class ClassPathWithDoubleQuotesTest extends TestRunner {
+
+    ToolBox tb;
+
+    private static final String ASrc = "public class A {}";
+    private static final String JarSrc = "public class J {}";
+    private static final String[] jarArgs = {"cf", "test/J.jar", "-C", "test", "J.java"};
+
+    public static void main(String... args) throws Exception {
+        new ClassPathWithDoubleQuotesTest().runTests();
+    }
+
+    ClassPathWithDoubleQuotesTest() {
+        super(System.err);
+        tb = new ToolBox();
+    }
+
+    public void runTests() throws Exception {
+        runTests(m -> new Object[] { Paths.get(m.getName()) });
+    }
+
+    @Test
+    public void test(Path base) throws Exception {
+        Path current = base.resolve(".");
+        tb.writeJavaFiles(current, ASrc, JarSrc);
+        new JarTask(tb).run(jarArgs).writeAll();
+
+        executeTask(new JavacTask(tb, Task.Mode.EXEC)
+                    .envVar("CLASSPATH", "\"test/J.jar" + File.pathSeparator + "test\"")
+                    .files("test/A.java"));
+
+        executeTask(new JavacTask(tb)
+                    .classpath("\"test/J.jar" + File.pathSeparator + "test\"")
+                    .files("test/A.java"));
+    }
+
+    void executeTask(JavacTask task) {
+        boolean isWindows = System.getProperty("os.name").startsWith("Windows");
+        Task.Expect whatToExpect = isWindows ? Task.Expect.FAIL : Task.Expect.SUCCESS;
+        try {
+            task.run(whatToExpect);
+            if (isWindows) {
+                throw new AssertionError("exception must be thrown");
+            }
+        } catch (IllegalArgumentException iae) {
+            if (!isWindows) {
+                throw new AssertionError("exception unexpectedly thrown");
+            }
+        } catch (Throwable t) {
+            throw new AssertionError("unexpected exception thrown");
+        }
+    }
+}