ArrayIndexOutOfBoundsException when doing "undo" on whiteboard

[GoogleCodeExporter]

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(AbstractPo
llingIoProcessor.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

Original issue reported on code.google.com by ritza...@gmail.com on 7 Jan 2011 at 6:21

[GoogleCodeExporter]

Original comment by ffdixon@gmail.com on 7 Feb 2011 at 4:50

• Added labels: Component-Whiteboard, Stability

[GoogleCodeExporter]

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

Original comment by ffdixon@gmail.com on 28 Mar 2012 at 3:18

• Added labels: Milestone-Release0.8

[GoogleCodeExporter]

Fixed when working on Fit-to-Width

Original comment by ritza...@gmail.com on 28 Mar 2012 at 3:24

• Changed state: Fixed