better handling on encoding problems

...
sun.io.MalformedInputException
	at sun.io.ByteToCharUTF8.convert(ByteToCharUTF8.java:262)
	at sun.nio.cs.StreamDecoder$ConverterSD.convertInto(StreamDecoder.java:316)
	at sun.nio.cs.StreamDecoder$ConverterSD.implRead(StreamDecoder.java:366)
	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:252)
	at java.io.InputStreamReader.read(InputStreamReader.java:212)
	at java.io.BufferedReader.fill(BufferedReader.java:157)
	at java.io.BufferedReader.readLine(BufferedReader.java:320)
	at java.io.BufferedReader.readLine(BufferedReader.java:383)
	at com.cenqua.fisheye.perforce.client.P4OutputLineProcessor.processOutput(P4OutputLineProcessor.java:29)
	at com.cenqua.fisheye.perforce.client.P4Exec$4.processOutput(P4Exec.java:180)
	at com.cenqua.fisheye.perforce.client.P4Process$2.doTask(P4Process.java:130)
	at com.cenqua.fisheye.util.LatchedRunnable.run(LatchedRunnable.java:19)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:678)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:703)
	at java.lang.Thread.run(Thread.java:811)
..............
sun.io.MalformedInputException:null : 
com.cenqua.fisheye.perforce.client.P4ClientException: sun.io.MalformedInputException:null : 
	at com.cenqua.fisheye.perforce.client.P4Client.getChangeLists(P4Client.java:138)
	at com.cenqua.fisheye.perforce.P4Scanner.slurpRevisionBlock(P4Scanner.java:173)
	at com.cenqua.fisheye.rep.RepositoryScanner.processRevisions(RepositoryScanner.java:410)
	at com.cenqua.fisheye.rep.RepositoryScanner.slurpRepository(RepositoryScanner.java:284)
	at com.cenqua.fisheye.rep.RepositoryScanner.slurp(RepositoryScanner.java:203)
	at com.cenqua.fisheye.rep.RepositoryScanner.ping(RepositoryScanner.java:131)
	at com.cenqua.fisheye.perforce.P4RepositoryEngine.doSlurp(P4RepositoryEngine.java:75)
	at com.cenqua.fisheye.rep.RepositoryEngine.slurp(RepositoryEngine.java:342)
	at com.cenqua.fisheye.rep.ping.OneOffPingRequest.doRequest(OneOffPingRequest.java:28)
	at com.cenqua.fisheye.rep.ping.PingRequest.process(PingRequest.java:90)
	at com.cenqua.fisheye.rep.RepositoryHandle.processPingRequests(RepositoryHandle.java:123)
	at com.cenqua.fisheye.rep.RepositoryHandle.queuePingRequest(RepositoryHandle.java:113)
	at com.cenqua.fisheye.rep.ping.PingRequest.run(PingRequest.java:57)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:678)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:703)
	at java.lang.Thread.run(Thread.java:811)

... change 28307
... time 1267455428
... user g_sspana
... client g_sspana_G
... status submitted
... desc Issue with build player on build machine:
error: "The system cannot find the batch label specified - player"
but label exists