Test: java/nio/Buffer/LimitDirectMemory.java

Exception in thread "main" java.lang.OutOfMemoryError: Cannot reserve 8192 bytes of direct buffer memory (allocated: 0, limit: 10)
at java.base/java.nio.Bits.reserveMemory(Bits.java:178)
at java.base/java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:105)
at java.base/java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:363)
at java.base/sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:242)
at java.base/sun.nio.ch.IOUtil.read(IOUtil.java:304)
at java.base/sun.nio.ch.IOUtil.read(IOUtil.java:284)
at java.base/sun.nio.ch.FileChannelImpl.implRead(FileChannelImpl.java:251)
at java.base/sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:231)
at java.base/sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:74)
at java.base/sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
at java.base/java.io.InputStream.read(InputStream.java:220)
at java.base/java.util.Properties$LineReader.readLine(Properties.java:505)
at java.base/java.util.Properties.load0(Properties.java:421)
at java.base/java.util.Properties.load(Properties.java:410)

This test deliberately sets -XX:MaxDirectMemorySize=10 and this failure shows that the core libs code is now requiring at least 8K of direct memory buffers where previously it did not.