We should never throw NPEs so this is clearly a bug in FtpServer. Could you please open a JIRA issues with the stacktrace and further details (also the test case if possible)?
/niklas 2009/4/14 Ulysess Lee 李宇光 <[email protected]>: > Hi, > When I write a Testcase to make a proformance test for Apache ftp server, > and I only use ONE ftp account in many threads to upload different files, > then after about 10 users loged in, > it throws exception: > > > [2009-04-14 09:30:52,973] [WARN ] DefaultFtpHandler [[email protected]] > [125.88.130.8] - RequestHandler.service() > java.lang.NullPointerException > at > java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:768) > at > org.apache.ftpserver.impl.DefaultFtpStatistics$UserLogins.loginsFromInetAddress(DefaultFtpStatistics.java:90) > at > org.apache.ftpserver.impl.DefaultFtpStatistics.getCurrentUserLoginNumber(DefaultFtpStatistics.java:259) > at org.apache.ftpserver.command.impl.USER.execute(USER.java:152) > at > org.apache.ftpserver.impl.DefaultFtpHandler.messageReceived(DefaultFtpHandler.java:169) > at > org.apache.ftpserver.listener.nio.FtpHandlerAdapter.messageReceived(FtpHandlerAdapter.java:65) > > most likey a thread lock problem? >
