javac doesn't work with jar files with >64k entries

[Jonathan Gibbons]

Thanks, we'll look to get it fixed.

-- Jon

On 11/16/2012 03:09 PM, Martin Buchholz wrote:
> Here is a repro recipe:
>
>  $ for x in *.java bug-demo; do echo --- $x ---; cat $x; done; echo 
> ===;  ./bug-demo $JDK6 $JDK8
> --- A.java ---
> public class A {}
> --- Main.java ---
> public class Main {
>     public static void main(String[] args) {
>         System.out.println(new A());
>     }
> }
> --- MakeJar.java ---
> /*
>  * Copyright (c) 2011, 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 <http://www.oracle.com> if you need 
> additional information or have any
>  * questions.
>  */
>
> import java.io.*;
> import java.util.*;
> import java.util.zip.*;
>
> public class MakeJar {
>     public static void main(String[] args) throws Throwable {
>         File classFile = new File("A.class");
>         ZipOutputStream zos = null;
>         FileInputStream fis = null;
>         final int MAX = Short.MAX_VALUE * 2 + 10;
>         ZipEntry ze = null;
>         try {
>             zos = new ZipOutputStream(new FileOutputStream("a.jar"));
>             zos.setLevel(ZipOutputStream.STORED);
>             zos.setMethod(ZipOutputStream.STORED);
>             for (int i = 0; i < MAX ; i++) {
>                 ze = new ZipEntry("X" + i + ".txt");
>                 ze.setSize(0);
>                 ze.setCompressedSize(0);
>                 ze.setCrc(0);
>                 zos.putNextEntry(ze);
>             }
>
>             // add a class file
>             ze = new ZipEntry("A.class");
>             ze.setCompressedSize(classFile.length());
>             ze.setSize(classFile.length());
>             ze.setCrc(computeCRC(classFile));
>             zos.putNextEntry(ze);
>             fis = new FileInputStream(classFile);
>             for (int c; (c = fis.read()) >= 0;)
>                 zos.write(c);
>         } finally {
>             zos.close();
>             fis.close();
>         }
>     }
>
>     private static final long GIGA = 1024 * 1024 * 1024;
>     private static final int BUFFER_LEN = Short.MAX_VALUE * 2;
>
>     static long getCount(long minlength) {
>         return (minlength / BUFFER_LEN) + 1;
>     }
>
>     static long computeCRC(long minlength) {
>         CRC32 crc = new CRC32();
>         byte[] buffer = new byte[BUFFER_LEN];
>         long count = getCount(minlength);
>         for (long i = 0; i < count; i++) {
>             crc.update(buffer);
>         }
>         return crc.getValue();
>     }
>
>     static long computeCRC(File inFile) throws IOException {
>         byte[] buffer = new byte[8192];
>         CRC32 crc = new CRC32();
>         FileInputStream fis = null;
>         BufferedInputStream bis = null;
>         try {
>             fis = new FileInputStream(inFile);
>             bis = new BufferedInputStream(fis);
>             int n = bis.read(buffer);
>             while (n > 0) {
>                 crc.update(buffer, 0, n);
>                 n = bis.read(buffer);
>             }
>         } finally {
>             bis.close();
>             fis.close();
>         }
>         return crc.getValue();
>     }
> }
> --- bug-demo ---
> #!/bin/bash
> JDK6="$1" JDK8="$2"
> set -eu
> $JDK6/bin/java -fullversion
> $JDK8/bin/java -fullversion
> echo ----
> $JDK6/bin/javac A.java Main.java MakeJar.java
> $JDK6/bin/java MakeJar
> $JDK6/bin/jar tf a.jar A.class
> echo ----
> $JDK8/bin/javac -sourcepath / -classpath a.jar Main.java
> ===
> java full version "1.6.0_38-ea-b03"
> java full version "1.8.0-ea-b62"
> ----
> A.class
> ----
> Main.java:3: error: cannot find symbol
>         System.out.println(new A());
>                                ^
>   symbol:   class A
>   location: class Main
> 1 error

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