Bug 90521 [Import/Export] NumberFormatException during import zip file
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/TarInputStream.java
pos = 100 + 24;
		StringBuffer size = new StringBuffer();
		for(i = 0; i < 12; i++) {
			if(header[pos + i] == 0) break;
			size.append((char) header[pos + i]);
		}
		if(size.charAt(0) != '0') size.insert(0, '0');
		int fileSize = Integer.decode(size.toString()).intValue();
		entry.setSize(fileSize);
		nextEOF = fileSize;
		if(fileSize % 512 > 0) {
			nextEntry = fileSize + (512 - (fileSize % 512));
		} else {
			nextEntry = fileSize;
		}
		filepos += (nextEntry + 512);
		return entry;
	}
	/**
	 * Moves ahead to the next file in the tar archive and returns
	 * a TarEntry object describing it.
	 * 
	 * @return the next entry in the tar file
	 * @throws TarException
	 * @throws IOException
	 */
	public TarEntry getNextEntry() throws TarException, IOException {
		TarEntry entry = getNextEntryInternal();
		if(entry != null && entry.getName().equals("././@LongLink")) {