Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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None
Description
If you declare an interceptor in the configuration but you don't specify the type, flume-agent dies with an opaque NPE. Instead it should die with a message warning that the interceptor doesn't have a type. You can see this using the following config file:
{{
receiver1.sources = gen
receiver1.sinks = null
receiver1.channels = ch1
receiver1.channels.ch1.type = memory
receiver1.sources.gen.type = seq
receiver1.sources.gen.channels = ch1
receiver1.sinks.null.type = null
receiver1.sinks.null.channel = ch1
receiver1.sources.gen.interceptors = int_a
}}
Result is:
{{
12/07/22 17:34:11 ERROR properties.PropertiesFileConfigurationProvider: Failed to load configuration data. Exception follows.
java.lang.NullPointerException
at org.apache.flume.interceptor.InterceptorBuilderFactory.lookup(InterceptorBuilderFactory.java:31)
at org.apache.flume.interceptor.InterceptorBuilderFactory.newInstance(InterceptorBuilderFactory.java:44)
at org.apache.flume.channel.ChannelProcessor.configureInterceptors(ChannelProcessor.java:104)
}}