--- old/src/java.base/share/classes/java/util/jar/JarFile.java 2015-10-07 19:05:37.000000000 +0100 +++ new/src/java.base/share/classes/java/util/jar/JarFile.java 2015-10-07 19:05:36.000000000 +0100 @@ -37,7 +37,6 @@ import java.security.AccessController; import java.security.CodeSource; import jdk.internal.misc.SharedSecrets; -import sun.misc.IOUtils; import sun.security.action.GetPropertyAction; import sun.security.util.ManifestEntryVerifier; import sun.security.util.SignatureFileVerifier; @@ -438,7 +437,12 @@ */ private byte[] getBytes(ZipEntry ze) throws IOException { try (InputStream is = super.getInputStream(ze)) { - return IOUtils.readFully(is, (int)ze.getSize(), true); + int len = (int)ze.getSize(); + byte[] b = is.readAllBytes(); + if (len != -1 && b.length != len) + throw new EOFException("Expected:" + len + ", read:" + b.length); + + return b; } }