Attempting to play http://reavers.us.oracle.com/flv/BlackPearl.flv gives this exception:

Exception in thread "Thread-7" java.nio.BufferOverflowException
at java.nio.Buffer.nextPutIndex(Buffer.java:495)
at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:145)
at com.sun.media.jfxmedia.metadata.MetadataParser.getNextByte(MetadataParser.java:267)
at com.sun.media.jfxmedia.metadata.MetadataParser.getShort(MetadataParser.java:321)
at com.sun.media.jfxmedia.metadata.FLVMetadataParser.readDataValue(FLVMetadataParser.java:140)
at com.sun.media.jfxmedia.metadata.FLVMetadataParser.skipObject(FLVMetadataParser.java:199)
at com.sun.media.jfxmedia.metadata.FLVMetadataParser.readDataValue(FLVMetadataParser.java:156)
at com.sun.media.jfxmedia.metadata.FLVMetadataParser.parseDataTag(FLVMetadataParser.java:122)
at com.sun.media.jfxmedia.metadata.FLVMetadataParser.parse(FLVMetadataParser.java:87)
at com.sun.media.jfxmedia.metadata.MetadataParser.run(MetadataParser.java:177)

Note that the FLV stream contains an unsupported type of video encoding. In theory the audio track should still play.

Magic: FLV
Version: 1
Has audio: yes
Has video: yes
Offset: 9
--- Tag #1 at 0xD (13) ---
Tag type: Meta
Body length: 810
Timestamp: 0
* Metadata event name: onMetaData
* Metadata contents: {
    'duration' => 55.615
    'videodatarate' => 327.298318799
    'lastkeyframetimestamp' => 54.88
    'lastkeyframelocation' => 2266152
    'creator' => 'YouTube, Inc.'
    'metadatacreator' => 'YouTube Metadata Injector.'
    'haskeyframes' => true
    'hasmetadata' => true
    'keyframes' => {
        'times': [
            0
            0.08
            0.12
            0.16
            0.2
            0.24
            0.28
            0.32
            0.36
            0.4
            0.44
            0.52
            0.6
            0.92
            10.32
            20.32
            26.28
            30.28
            40.28
            42.88
            52.88
            54.04
            54.08
            54.12
            54.16
            54.2
            54.24
            54.28
            54.32
            54.88
        ]
        'filepositions': [
            1115
            4373
            6673
            9190
            11562
            14403
            16726
            19332
            21761
            24359
            26834
            30521
            34218
            45994
            391635
            799350
            1030640
            1276846
            1691447
            1820508
            2194910
            2241030
            2243688
            2246095
            2248670
            2251035
            2253752
            2256103
            2258581
            2266152
        ]
        '': 1.11253910098e-308
        '': 7.50957150051e-308
    }
}
* Missing: 28 bytes
Previous tag size: 0
--- Tag #2 at 0x346 (838) ---
Tag type: Audio
Body length: 262
Timestamp: 0
* Sound type: Mono
* Sound size: 16 bits
* Sound rate: 22 kHz
* Sound format: MP3
Previous tag size: 273
--- Tag #3 at 0x45B (1115) ---
Tag type: Video
Body length: 1994
Timestamp: 0
* Video codec: Sorensen H.263
* Video frame type: keyframe
Previous tag size: 2005