Docker容器中运行flume及启动不输出运行日志问题

flume配置文件如下：

# Name the components on this agent app1.sources = r1 app1.sinks = k1 app1.channels = c1 # Describe/configure the source app1.sources.r1.type = avro app1.sources.r1.bind = 0.0.0.0 app1.sources.r1.port = 44444 # Describe the sink #a1.sinks.k1.type = logger app1.sinks.k1.type = file_roll app1.sinks.k1.sink.directory = /var/log/my/app1 app1.sinks.k1.sink.rollInterval=86400 app1.sinks.k1.sink.batchSize=100 app1.sinks.k1.sink.serializer=text app1.sinks.k1.sink.serializer.appendNewline = false # Use a channel which buffers events in memory app1.channels.c1.type = memory app1.channels.c1.capacity = 1000 app1.channels.c1.transactionCapacity = 100 app1.channels.c1.byteCapacity = 100000000 app1.channels.c1.byteCapacityBufferPercentage = 10 # Bind the source and sink to the channel app1.sources.r1.channels = c1 app1.sinks.k1.channel = c1 # Name the components on this agent app2.sources = r2 app2.sinks = k2 app2.channels = c2 # Describe/configure the source app2.sources.r2.type = avro app2.sources.r2.bind = 0.0.0.0 app2.sources.r2.port = 44445 # Describe the sink #a1.sinks.k1.type = logger app2.sinks.k2.type = file_roll app2.sinks.k2.sink.directory = /var/log/my/app2 app2.sinks.k2.sink.rollInterval=86400 app2.sinks.k2.sink.batchSize=100 app2.sinks.k2.sink.serializer=text app2.sinks.k2.sink.serializer.appendNewline = false # Use a channel which buffers events in memory app2.channels.c2.type = memory app2.channels.c2.capacity = 1000 app2.channels.c2.transactionCapacity = 100 app2.channels.c2.byteCapacity = 100000000 app2.channels.c2.byteCapacityBufferPercentage = 10 # Bind the source and sink to the channel app2.sources.r2.channels = c2 app2.sinks.k2.channel = c2