RFR: [XS] 8228650: runtime/SharedArchiveFile/CheckDefaultArchiveFile.java test fails on AIX

[Baesken, Matthias]

Thanks  for the review !

Best regards, Matthias

> -----Original Message-----
> From: mikhailo.seledtsov at oracle.com <mikhailo.seledtsov at oracle.com>
> Sent: Samstag, 27. Juli 2019 00:57
> To: Baesken, Matthias <matthias.baesken at sap.com>; 'hotspot-
> dev at openjdk.java.net' <hotspot-dev at openjdk.java.net>
> Subject: Re: RFR: [XS] 8228650:
> runtime/SharedArchiveFile/CheckDefaultArchiveFile.java test fails on AIX
> 
> Looks good to me,
> 
> Misha
> 
> On 7/26/19 6:25 AM, Baesken, Matthias wrote:
> > Hello, please review this small  CDS test related fix .
> >
> > Currently the runtime/SharedArchiveFile/CheckDefaultArchiveFile.java
> test fails on AIX .
> > It runs into this NPE :
> >
> > java.lang.NullPointerException
> > at java.base/sun.nio.fs.UnixPath.normalizeAndCheck(UnixPath.java:75)
> > at java.base/sun.nio.fs.UnixPath.<init>(UnixPath.java:69)
> > at java.base/sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:279)
> > at java.base/java.nio.file.Path.of(Path.java:147)
> > at java.base/java.nio.file.Paths.get(Paths.java:69)
> > at CheckDefaultArchiveFile.main(CheckDefaultArchiveFile.java:51)
> > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMet
> hodAccessorImpl.java:62)
> > at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Delega
> tingMethodAccessorImpl.java:43)
> > at java.base/java.lang.reflect.Method.invoke(Method.java:567)
> > at
> com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapp
> er.java:127)
> > at java.base/java.lang.Thread.run(Thread.java:830)
> >
> > Reason is that the path to the classes.jsa is null, which is correct on a non
> CDS platform (like AIX).
> > See the coding :
> >
> > jdk/src/hotspot/share/runtime/arguments.hpp  :
> >
> >        static char* get_default_shared_archive_path()
> NOT_CDS_RETURN_(NULL);
> >
> > jdk/src/hotspot/share/runtime/arguments.cpp  :
> >
> > 3477 #if INCLUDE_CDS
> > 3478 // Sharing support
> > 3479 // Construct the path to the archive
> > 3480 char* Arguments::get_default_shared_archive_path() {
> >
> >
> > However the test does not handle this case correctly.
> > AIX has CDS disabled, it is currently not supported on the platform .
> >
> > jdk/make/autoconf/hotspot.m4  :
> >
> > 495  # Disable CDS on AIX.
> > 496  if test "x$OPENJDK_TARGET_OS" = "xaix"; then
> > 497    ENABLE_CDS="false"
> > 498    if test "x$enable_cds" = "xyes"; then
> > 499      AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --
> enable-cds.])
> > 500    fi
> > 501  fi
> >
> >
> > Bug/webrev :
> >
> > https://bugs.openjdk.java.net/browse/JDK-8228650
> >
> > http://cr.openjdk.java.net/~mbaesken/webrevs/8228650.0/
> >
> >
> > Thanks, Matthias