ReportServer Forum

TZM

Member

Registered: 2016-08-23

Reportserver showing a weird "null" error

Im getting an error which looks like this. Cant go past this screen :

Once i restart tomcat, I cannot even access the RS link

This is what catalina.out contains (post tomcat restart) :

Exception in thread "dwdaemon-MaintenanceServiceImpl-2465" java.lang.NoClassDefFoundError: ch/qos/logback/classic/spi/ThrowableProxy
    at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:121)
    at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
    at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
    at ch.qos.logback.classic.Logger.warn(Logger.java:713)
    at net.datenwerke.rs.utils.daemon.DwDaemonImpl.run(DwDaemonImpl.java:42)
    at java.lang.Thread.run(Thread.java:745)
11:13:02.453 WARN  n.d.rs.utils.daemon.DwDaemonWatchdog - Restarted DwDaemon net.datenwerke.rs.utils.eventlogger.jpa.JpaEventLoggerServiceImpl
Exception in thread "dwdaemon-JpaEventLoggerServiceImpl-2476" java.lang.NoClassDefFoundError: ch/qos/logback/classic/spi/ThrowableProxy
    at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:121)
    at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
    at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
    at ch.qos.logback.classic.Logger.warn(Logger.java:713)
    at net.datenwerke.rs.utils.daemon.DwDaemonImpl.run(DwDaemonImpl.java:42)
    at java.lang.Thread.run(Thread.java:745)
11:13:11.256 WARN  n.d.rs.utils.daemon.DwDaemonWatchdog - Restarted DwDaemon net.datenwerke.gf.service.maintenance.MaintenanceServiceImpl
Exception in thread "dwdaemon-MaintenanceServiceImpl-2466" java.lang.NoClassDefFoundError: ch/qos/logback/classic/spi/ThrowableProxy
    at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:121)
    at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
    at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
    at ch.qos.logback.classic.Logger.warn(Logger.java:713)
    at net.datenwerke.rs.utils.daemon.DwDaemonImpl.run(DwDaemonImpl.java:42)
    at java.lang.Thread.run(Thread.java:745)
11:14:02.454 WARN  n.d.rs.utils.daemon.DwDaemonWatchdog - Restarted DwDaemon net.datenwerke.rs.utils.eventlogger.jpa.JpaEventLoggerServiceImpl
Exception in thread "dwdaemon-JpaEventLoggerServiceImpl-2477" java.lang.NoClassDefFoundError: ch/qos/logback/classic/spi/ThrowableProxy
    at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:121)
    at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
    at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
    at ch.qos.logback.classic.Logger.warn(Logger.java:713)
    at net.datenwerke.rs.utils.daemon.DwDaemonImpl.run(DwDaemonImpl.java:42)
    at java.lang.Thread.run(Thread.java:745)

help !

thanks,

TZM

Arno Mittelbach

datenwerke

Registered: 2012-02-14

Re: Reportserver showing a weird "null" error

The errors that you see are most probably subsequent errors indicating that something during the startup went wrong. Could you check the logfiles for any additional information=

Cheers,
Arno