Extracting the Confluence 2.0 package created a large number of "LongLink" errors as shown below:

harvea@server:/home/harvea/confluence-2.0-std> tar xvf confluence-2.0-std.tar
[...snip...]
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 104 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/GraphVizMacro.j, 577 bytes, 2 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 105 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/FlowChartMacro., 833 bytes, 2 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 108 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/BaseGraphVizMac, 937 bytes, 2 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 101 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/GraphMacro.java, 616 bytes, 2 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 105 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/GraphVizHelper., 4377 bytes, 9 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/DotRunner.java, 5842 bytes, 12 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 103 bytes, 1 tape blocks
x confluence-2.0-std/plugins/graphviz/src/java/com/atlassian/confluence/extra/graphviz/DiGraphMacro.ja, 626 bytes, 2 tape blocks
tar: ././@LongLink: typeflag 'L' not recognized, converting to regular file
x ././@LongLink, 106 bytes, 1 tape blocks

Any ideas?