ERROR: CVS Authentication failed: IOException
org.netbeans.lib.cvsclient.connection.AuthenticationException: I/O error while connecting to host xxx.
	at org.netbeans.lib.cvsclient.connection.PServerConnection.openConnection(PServerConnection.java:297)
	at org.netbeans.lib.cvsclient.connection.PServerConnection.open(PServerConnection.java:352)
	at org.netbeans.lib.cvsclient.Client$1.run(Client.java:374)
	at java.lang.Thread.run(Thread.java:724)
Caused by: java.net.SocketException: Too many open files
	at java.net.Socket.createImpl(Socket.java:447)
	at java.net.Socket.connect(Socket.java:577)
	at org.netbeans.lib.cvsclient.connection.PServerConnection.openConnection(PServerConnection.java:226)
	... 3 more
ERROR: Cvs task failed
Sending e-mails to: xxx@xxx.de
ERROR: Could not connect to SMTP host: xxx, port: 25
javax.mail.MessagingException: Could not connect to SMTP host: xxx, port: 25;
  nested exception is:
	java.net.SocketException: Too many open files
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1934)
	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:638)
	at javax.mail.Service.connect(Service.java:295)
	at javax.mail.Service.connect(Service.java:176)
	at javax.mail.Service.connect(Service.java:125)
	at javax.mail.Transport.send0(Transport.java:194)
	at javax.mail.Transport.send(Transport.java:124)
	at hudson.tasks.MailSender.execute(MailSender.java:116)
	at hudson.tasks.Mailer.perform(Mailer.java:117)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:781)
	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:753)
	at hudson.model.Build$BuildExecution.post2(Build.java:183)
	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:706)
	at hudson.model.Run.execute(Run.java:1690)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:230)
Caused by: java.net.SocketException: Too many open files
	at java.net.Socket.createImpl(Socket.java:447)
	at java.net.Socket.connect(Socket.java:577)
	at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:286)
	at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:231)
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1900)
	... 17 more
Finished: FAILURE