tomcat job problem

[Jama]

Hello

yesterday the QP0ZSPWT job under tomcat stuck, and we cant kill, killed by abnormal.
Now we cant start it, seem like starting but 1-2 sec and stop,
i find this log :


GRAVE: Class loader creation threw exception
java.io.IOException: bad path error
at java.lang.Throwable.<init>(Throwable.java:195)
at java.lang.Exception.<init>(Exception.java:41)
at java.io.IOException.<init>(IOException.java:40)
at java.io.Os400FileSystem.canonicalize(Native Method)
at java.io.File.getCanonicalPath(File.java:521)
at org.apache.catalina.startup.ClassLoaderFactory.cre ateClassLoader(ClassLoaderFactory.java:231)
at org.apache.catalina.startup.Bootstrap.createClassL oader(Bootstrap.java:180)
at org.apache.catalina.startup.Bootstrap.initClassLoa ders(Bootstrap.java:104)
at org.apache.catalina.startup.Bootstrap.init(Bootstr ap.java:213)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:410)

anyone have idei what is this problem?