RFR(T) 8233855 [TESTBUG] appcds/FieldLayoutFlags.java failed to clean up files after test

[Harold Seigel]

Looks good and trivial.

Thanks, Harold

On 11/8/2019 1:52 PM, Ioi Lam wrote:
> https://bugs.openjdk.java.net/browse/JDK-8233855
>
> In the test library code used by this test, the following close() is 
> missing.
> For some reason, the problem shows up only in this test, probably 
> because this
> test has opened the zipfile more often than other test cases.
>
> $ hg diff
> diff -r ad157fab6bf5 
> test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java
> --- a/test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java    Thu Nov 
> 07 16:26:57 2019 -0800
> +++ b/test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java    Fri Nov 
> 08 10:50:08 2019 -0800
> @@ -343,6 +343,7 @@
>              newFile.renameTo(oldFile);
>              System.out.println("firstJar = " + firstJar + " Modified");
>          } else {
> +            zipFile.close();
>              System.out.println("firstJar = " + firstJar);
>          }
>      }
>
> I ran the test again in tier4 and now it passed.
>
> Thanks
> - Ioi