New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Could not apply extractor [..] NullPointerException #1676

Closed
nilsmeyer opened this Issue Jan 7, 2016 · 1 comment

Comments

Projects
None yet
2 participants
@nilsmeyer

nilsmeyer commented Jan 7, 2016

For an input I have the following extractor:
screen shot 2016-01-07 at 16 09 46

A certain message then causes a NullPointerException:

2016-01-07T15:58:34.489+01:00 ERROR [ExtractorFilter] Could not apply extractor ctxt_response extractor (id=795f7120-b48b-11e5-a7f3-00163e97248b)
java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:210)
at com.google.common.base.Joiner.toString(Joiner.java:433)
at com.google.common.base.Joiner$MapJoiner.appendTo(Joiner.java:365)
at com.google.common.base.Joiner$MapJoiner.appendTo(Joiner.java:393)
at com.google.common.base.Joiner$MapJoiner.join(Joiner.java:419)
at com.google.common.base.Joiner$MapJoiner.join(Joiner.java:408)
at com.google.common.base.Joiner$MapJoiner.join(Joiner.java:330)
at org.graylog2.inputs.extractors.JsonExtractor.parseValue(JsonExtractor.java:121)
at org.graylog2.inputs.extractors.JsonExtractor.extractJson(JsonExtractor.java:104)
at org.graylog2.inputs.extractors.JsonExtractor.run(JsonExtractor.java:81)
at org.graylog2.plugin.inputs.Extractor.runExtractor(Extractor.java:191)
at org.graylog2.filters.ExtractorFilter.filter(ExtractorFilter.java:62)
at org.graylog2.buffers.processors.ServerProcessBufferProcessor.handleMessage(ServerProcessBufferProcessor.java:97)
at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.dispatchMessage(ProcessBufferProcessor.java:82)
at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:61)
at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)
at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Unfortunately I don't know what the data in ctxt_response looks like. The aforequoted message repeats a few times every seconds and the journal is filling up with entries.

@joschi

This comment has been minimized.

Contributor

joschi commented Jan 14, 2016

Fixed in #1677.

@joschi joschi closed this Jan 14, 2016

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment