Unable to create a zip file using the Zip filesystem provider anymore?

Francis Galiegue fgaliegue at gmail.com
Fri Apr 29 17:31:33 UTC 2016


OK, so, final sample:

----
fge at erwin:/tmp$ cat Foo.java
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.FileSystems;
import java.nio.file.FileSystem;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Collections;

public final class Foo
{
    private static final Path ZIP = Paths.get("/tmp/t.zip");

    private static final String ENTRY = "foo";

    private Foo()
    {
        throw new Error("instantiation not permitted");
    }

    public static void main(final String... args)
        throws IOException
    {
        final URI uri = URI.create("jar:" + ZIP.toUri());

        try (
            final FileSystem fs = FileSystems.newFileSystem(uri,
                Collections.singletonMap("create", "true"));
        ) {
            final Path entry = fs.getPath(ENTRY);
            final BasicFileAttributes attrs = Files.readAttributes(entry,
                BasicFileAttributes.class);
            System.out.println(attrs.creationTime());
        }
    }
}

fge at erwin:/tmp$ javac Foo.java
fge at erwin:/tmp$ java Foo
Exception in thread "main" java.util.zip.ZipError: zip END header not found
at com.sun.nio.zipfs.ZipFileSystem.zerror(ZipFileSystem.java:1605)
at com.sun.nio.zipfs.ZipFileSystem.findEND(ZipFileSystem.java:1021)
at com.sun.nio.zipfs.ZipFileSystem.initCEN(ZipFileSystem.java:1030)
at com.sun.nio.zipfs.ZipFileSystem.<init>(ZipFileSystem.java:130)
at com.sun.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:117)
at java.nio.file.FileSystems.newFileSystem(FileSystems.java:326)
at java.nio.file.FileSystems.newFileSystem(FileSystems.java:276)
at Foo.main(Foo.java:28)
----

That should demonstrate the point...

-- 
Francis Galiegue, fgaliegue at gmail.com, https://github.com/fge
JSON Schema in Java: http://json-schema-validator.herokuapp.com
Parsers in pure Java: https://github.com/fge/grappa


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