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https://issues.apache.org/jira/browse/VELOCITY-621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12637533#action_12637533
]
SebastianWagner commented on VELOCITY-621:
------------------------------------------
At the moment you get errors like:
DEBUG] [pool-4-thread-16] org.apache.velocity - CommonsLogLogChute name is
'org.apache.velocity'
[DEBUG] [pool-4-thread-16] org.apache.velocity - Starting Apache Velocity
v1.6-dev (compiled: 2007-04-04 11:16:14)
[DEBUG] [pool-4-thread-16] org.apache.velocity - Default Properties File:
org/apache/velocity/runtime/defaults/velocity.properties
[DEBUG] [pool-4-thread-16] org.apache.velocity - Trying to use logger class
org.apache.velocity.runtime.log.AvalonLogChute
[DEBUG] [pool-4-thread-16] org.apache.velocity - Target log system for
org.apache.velocity.runtime.log.AvalonLogChute is not available
(java.lang.NoClassDefFoundError: org/apache/log/format/Formatter). Falling
back to next log system...
[DEBUG] [pool-4-thread-16] org.apache.velocity - Trying to use logger class
org.apache.velocity.runtime.log.Log4JLogChute
[DEBUG] [pool-4-thread-16] org.apache.velocity - Target log system for
org.apache.velocity.runtime.log.Log4JLogChute is not available
(java.lang.NoClassDefFoundError: org/apache/log4j/Appender). Falling back to
next log system...
[DEBUG] [pool-4-thread-16] org.apache.velocity - Trying to use logger class
org.apache.velocity.runtime.log.JdkLogChute
[INFO] [pool-4-thread-16] org.apache.velocity - Failed to initialize an
instance of org.apache.velocity.runtime.log.JdkLogChute with the current
runtime configuration.
java.lang.IllegalArgumentException: Bad level "WARN"
at java.util.logging.Level.parse(Level.java:336)
at org.apache.velocity.runtime.log.JdkLogChute.init(JdkLogChute.java:65)
at
org.apache.velocity.runtime.log.LogManager.createLogChute(LogManager.java:150)
at
org.apache.velocity.runtime.log.LogManager.updateLog(LogManager.java:243)
at
org.apache.velocity.runtime.RuntimeInstance.initializeLog(RuntimeInstance.java:728)
at
org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:240)
at
org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:548)
at
org.apache.velocity.runtime.RuntimeSingleton.init(RuntimeSingleton.java:241)
at org.apache.velocity.app.Velocity.init(Velocity.java:97)
at org.openmeetings.app.templates.VelocityLoader.<init>(Unknown Source)
at org.openmeetings.app.templates.RegisterUserTemplate.<init>(Unknown
Source)
at
org.openmeetings.app.templates.RegisterUserTemplate.getInstance(Unknown Source)
at org.openmeetings.app.data.user.Emailmanagement.sendMail(Unknown
Source)
at
org.openmeetings.app.data.user.Usermanagement.registerUserInit(Unknown Source)
at org.openmeetings.app.data.user.Usermanagement.registerUser(Unknown
Source)
at org.openmeetings.app.remote.MainService.registerUserByObject(Unknown
Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:201)
at
org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:119)
at org.red5.server.net.rtmp.RTMPHandler.invokeCall(RTMPHandler.java:158)
at org.red5.server.net.rtmp.RTMPHandler.onInvoke(RTMPHandler.java:410)
at
org.red5.server.net.rtmp.BaseRTMPHandler.messageReceived(BaseRTMPHandler.java:146)
at
org.red5.server.net.rtmp.RTMPMinaIoHandler.messageReceived(RTMPMinaIoHandler.java:126)
at
org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived(AbstractIoFilterChain.java:570)
at
org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
at
org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)
at
org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)
at
org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java:220)
at
org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(ExecutorFilter.java:264)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:613)
> Update to SLF4J or workaround?
> ------------------------------
>
> Key: VELOCITY-621
> URL: https://issues.apache.org/jira/browse/VELOCITY-621
> Project: Velocity
> Issue Type: Improvement
> Components: Engine
> Affects Versions: 1.4, 1.5
> Reporter: SebastianWagner
>
> I know that it has been discussed one year ago in VELOCITY-392
> but there is need for at least a workaround for people who are forced to use
> slf4j.
> For example other frameworks did already switch like Hibernate.
> So there is now definitely need for something to enable Velocity to run
> without errors in a environment with log4j-over-slf4j.
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