Petals ESB Container

sample-0 2014/09/03 21:29:37,012 GMT+0200 SEVERE [Petals.Container.Components.petals-se-eip] : Unexpected internal error near index 1
\
 ^
java.util.regex.PatternSyntaxException: Unexpected internal error near index 1
\
 ^
        at java.util.regex.Pattern.error(Pattern.java:1713)
        at java.util.regex.Pattern.compile(Pattern.java:1466)
        at java.util.regex.Pattern.<init>(Pattern.java:1133)
        at java.util.regex.Pattern.compile(Pattern.java:823)
        at java.lang.String.split(String.java:2292)
        at java.lang.String.split(String.java:2334)
        at com.ebmwebsourcing.easycommons.io.FileSystemHelper.getRelativePath(FileSystemHelper.java:359)
        at org.ow2.petals.log.handler.PetalsPayloadDumperFileHandler.dumpMessageExchange(PetalsPayloadDumperFileHandler.java:139)
        at org.ow2.petals.log.handler.PetalsPayloadDumperFileHandler.publish(PetalsPayloadDumperFileHandler.java:107)
        at java.util.logging.Logger.log(Logger.java:509)
        at java.util.logging.Logger.doLog(Logger.java:531)
        at java.util.logging.Logger.log(Logger.java:575)
        at org.ow2.petals.component.framework.process.MessageExchangeProcessor.processAsProvider(MessageExchangeProcessor.java:462)
        at org.ow2.petals.component.framework.process.MessageExchangeProcessor.process(MessageExchangeProcessor.java:342)
        at org.ow2.petals.component.framework.process.MessageExchangeProcessor.run(MessageExchangeProcessor.java:257)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
        at java.lang.Thread.run(Thread.java:662)