Recording from Webcam: Null Pointer Exception in File Consumer
Hi,
I'm using Red5 1.0 rc1 to record from webcams. I received in the error
log the following null pointer exception, in file consumer class.
Any hint? I don't have any idea why it happened.
Best,
Roi
java.lang.NullPointerException: null
at
org.red5.server.stream.consumer.FileConsumer.uninit(FileConsumer.java:
405) ~[red5.jar:na]
at
org.red5.server.stream.consumer.FileConsumer.onPipeConnectionEvent(FileConsumer.java:
320) ~[red5.jar:na]
at
org.red5.server.messaging.AbstractPipe.firePipeConnectionEvent(AbstractPipe.java:
258) [red5.jar:na]
at
org.red5.server.messaging.AbstractPipe.fireProviderConnectionEvent(AbstractPipe.java:
248) [red5.jar:na]
at
org.red5.server.messaging.AbstractPipe.unsubscribe(AbstractPipe.java:
111) [red5.jar:na]
at
org.red5.server.stream.ClientBroadcastStream.close(ClientBroadcastStream.java:
200) [red5.jar:na]
at
org.red5.server.stream.StreamService.closeStream(StreamService.java:
75) [red5.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:
1.6.0_22]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
57) ~[na:1.6.0_22]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
43) ~[na:1.6.0_22]
at java.lang.reflect.Method.invoke(Method.java:616) ~[na:1.6.0_22]
at org.red5.server.service.ServiceInvoker.invoke(ServiceInvoker.java:
200) [red5.jar:na]
at org.red5.server.net.rtmp.RTMPHandler.invokeCall(RTMPHandler.java:
183) [red5.jar:na]
at org.red5.server.net.rtmp.RTMPHandler.onInvoke(RTMPHandler.java:
390) [red5.jar:na]
at
org.red5.server.net.rtmp.BaseRTMPHandler.messageReceived(BaseRTMPHandler.java:
134) [red5.jar:na]
at
org.red5.server.net.rtmp.RTMPMinaIoHandler.messageReceived(RTMPMinaIoHandler.java:
206) [red5.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain
$TailFilter.messageReceived(DefaultIoFilterChain.java:716) [mina-
core-2.0.2.jar:na]
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:
434) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access
$1200(DefaultIoFilterChain.java:46) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl
$1.messageReceived(DefaultIoFilterChain.java:796) [mina-
core-2.0.2.jar:na]
at org.apache.mina.filter.codec.ProtocolCodecFilter
$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:427) [mina-
core-2.0.2.jar:na]
at
org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:
245) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:
434) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access
$1200(DefaultIoFilterChain.java:46) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl
$1.messageReceived(DefaultIoFilterChain.java:796) [mina-
core-2.0.2.jar:na]
at
org.red5.server.net.rtmpe.RTMPEIoFilter.messageReceived(RTMPEIoFilter.java:
125) [red5.jar:na]
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:
434) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access
$1200(DefaultIoFilterChain.java:46) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl
$1.messageReceived(DefaultIoFilterChain.java:796) [mina-
core-2.0.2.jar:na]
at
org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:
119) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:
434) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:
426) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:
693) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:
646) [mina-core-2.0.2.jar:na]
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:
635) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access
$400(AbstractPollingIoProcessor.java:67) [mina-core-2.0.2.jar:na]
at org.apache.mina.core.polling.AbstractPollingIoProcessor
$Processor.run(AbstractPollingIoProcessor.java:1079) [mina-
core-2.0.2.jar:na]
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:
64) [mina-core-2.0.2.jar:na]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:
1110) [na:1.6.0_22]
at java.util.concurrent.ThreadPoolExecutor
$Worker.run(ThreadPoolExecutor.java:603) [na:1.6.0_22]
at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]