Exception in thread "my-app-0.0.16-3be1aa47-d51d-4b0c-821a-a0b850359490-StreamThread-1" org.apache.kafka.streams.errors.StreamsException: failed to initialize processor KSTREAM-TRANSFORM-0000000004
at org.apache.kafka.streams.processor.internals.ProcessorNode.init(ProcessorNode.java:95)
at org.apache.kafka.streams.processor.internals.StreamTask.initTopology(StreamTask.java:517)
at org.apache.kafka.streams.processor.internals.StreamTask.initializeTopology(StreamTask.java:267)
at org.apache.kafka.streams.processor.internals.AssignedTasks.transitionToRunning(AssignedTasks.java:253)
at org.apache.kafka.streams.processor.internals.AssignedTasks.initializeNewTasks(AssignedTasks.java:79)
at org.apache.kafka.streams.processor.internals.TaskManager.updateNewAndRestoringTasks(TaskManager.java:318)
at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:839)
at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:777)
at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:747)
Caused by: java.lang.NullPointerException
at org.apache.kafka.streams.kstream.internals.KStreamFilter$KStreamFilterProcessor.process(KStreamFilter.java:43)
at org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:115)
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:146)
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:129)
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:93)