rest - Dropwizard/Jetty: AbstractGenerator: sendError: 400 null -

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rest - Dropwizard/Jetty: AbstractGenerator: sendError: 400 null -

i using dropwizard our development of api server. recently; , recently, because haven't encountered issue in api server before; api server started, continuously, throwing these exceptions:

debug [2015-04-09 05:25:57,478] org.eclipse.jetty.server.asynchttpconnection: ! org.eclipse.jetty.http.httpexception: null ! @ org.eclipse.jetty.http.httpparser.parsenext(httpparser.java:382) ~[feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.http.httpparser.parseavailable(httpparser.java:235) ~[feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.server.asynchttpconnection.handle(asynchttpconnection.java:82) ~[feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.io.nio.selectchannelendpoint.handle(selectchannelendpoint.java:628) [feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.io.nio.selectchannelendpoint$1.run(selectchannelendpoint.java:52) [feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.util.thread.queuedthreadpool.runjob(queuedthreadpool.java:608) [feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ org.eclipse.jetty.util.thread.queuedthreadpool$3.run(queuedthreadpool.java:543) [feature-service-1.0.0-snapshot.jar:1.0.0-snapshot] ! @ java.lang.thread.run(thread.java:744) [na:1.8.0] debug [2015-04-09 05:25:57,478] org.eclipse.jetty.http.abstractgenerator: senderror: 400 null

i trying hard debug, not able understand why happening. never saw these errors in log before. also, in recent check-ins, nil see should cause behavior. now, 1 time start api server, logs show server started. moment server receives first request, keeps throwing these messages in logs. requests served server proper expected responses. don't want see these error messages.

does know why happen? have tried lot of debug. nil far. please help if have experienced before.

thanks in advance.

rest jetty dropwizard

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