RFR: 8193682: Infinite loop in ZipOutputStream.close()

Alan Bateman alanb at openjdk.java.net
Fri Sep 17 12:48:46 UTC 2021

On Wed, 15 Sep 2021 07:40:35 GMT, Ravi Reddy <rreddy at openjdk.org> wrote:

> Hi all,
> Please review this fix for Infinite loop in ZipOutputStream.close().
> The main issue here is when ever there is an exception during close operations on GZip we are not setting the deflator to a finished state which is leading to an infinite loop when we try writing on the same GZip instance( since we use while(!def.finished()) inside the write operation).
> Thanks,
> Ravi

src/java.base/share/classes/java/util/zip/DeflaterOutputStream.java line 249:

> 247:              out.close();
> 248:              closed = true;
> 249:              throw ioe;

Have you tried using try-finally instead?


PR: https://git.openjdk.java.net/jdk/pull/5522

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