ArrayIndexOutOfBoundsException when doing "undo" on whiteboard

[bigbluebutton-issue-import]

Originally reported on Google Code with ID 804

Saw this log on red5/log/red5.log

=====

2011-01-07 17:50:43,715 [NioProcessor-1] ERROR o.r.server.service.ServiceInvoker -
Error executing call: Service: whiteboard Method: undo Num Params: 0
2011-01-07 17:50:43,977 [NioProcessor-1] ERROR o.r.server.service.ServiceInvoker -
Service invocation error
java.lang.reflect.InvocationTargetException: null
        at sun.reflect.GeneratedMethodAccessor233.invoke(Unknown Source) [na:na]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[na:1.6.0_20]
        at java.lang.reflect.Method.invoke(Method.java:616) [na:1.6.0_20]
        at org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:200) [red5.jar:na]
        at org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:118) [red5.jar:na]
        at org.red5.server.net.rtmp.RTMPHandler.invokeCall(RTMPHandler.java:165) [red5.jar:na]
        at org.red5.server.net.rtmp.RTMPHandler.onInvoke(RTMPHandler.java:418) [red5.jar:na]
        at org.red5.server.net.rtmp.BaseRTMPHandler.messageReceived(BaseRTMPHandler.java:138)
[red5.jar:na]
        at org.red5.server.net.rtmp.RTMPMinaIoHandler.messageReceived(RTMPMinaIoHandler.java:180)
[red5.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
[mina-core-2.0.0-RC1.jar:na]
        at org.red5.server.net.filter.TrafficShapingFilter.messageReceived(TrafficShapingFilter.java:204)
[red5.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
[mina-core-2.0.0-RC1.jar:na]
        at 
org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
[mina-core-2.0.0-RC1.jar:na]
        at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
[mina-core-2.0.0-RC1.jar:na]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
[na:1.6.0_20]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
[na:1.6.0_20]
        at java.lang.Thread.run(Thread.java:636) [na:1.6.0_20]
Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.ArrayList.elementData(ArrayList.java:338) [na:1.6.0_20]
        at java.util.ArrayList.remove(ArrayList.java:415) [na:1.6.0_20]
        at org.bigbluebutton.conference.service.whiteboard.Page.undo(Page.java:54)
[Page.class:na]
        at org.bigbluebutton.conference.service.whiteboard.WhiteboardRoom.undo(WhiteboardRoom.java:91)
[WhiteboardRoom.class:na]
        at org.bigbluebutton.conference.service.whiteboard.WhiteboardApplication.undo(WhiteboardApplication.java:114)
[WhiteboardApplication.class:na]
        at org.bigbluebutton.conference.service.whiteboard.WhiteboardService.undo(WhiteboardService.java:80)
[WhiteboardService.class:na]
        ... 34 common frames omitted

Reported by ritzalam on 2011-01-07 18:21:07

[bigbluebutton-issue-import]

Reported by ffdixon on 2011-02-07 04:50:08

• Labels added: Component-Whiteboard, Stability

[bigbluebutton-issue-import]

Lots of work done on the whiteboard ... can we close this in 0.8?

Reported by ffdixon on 2012-03-28 03:18:00

• Labels added: Milestone-Release0.8

[bigbluebutton-issue-import]

Fixed when working on Fit-to-Width

Reported by ritzalam on 2012-03-28 15:24:19

• Status changed: Fixed