Checkout this SOF question http://stackoverflow.com/questions/18157218/jersey-2-0-content-length-not-set
Output of EntitStreamingTest:
Feb 08, 2014 2:43:17 PM org.glassfish.jersey.test.jetty.JettyTestContainerFactory$JettyTestContainer start
INFO: Starting JettyTestContainer...
2014-02-08 14:43:17.723:INFO:oejs.Server:main: jetty-9.0.6.v20130930
2014-02-08 14:43:17.749:INFO:oejs.ServerConnector:main: Started ServerConnector@5884a914{HTTP/1.1}{0.0.0.0:9998}
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.filter.LoggingFilter log
INFO: 1 * Server has received a request on thread qtp216856121-27
1 > POST http://localhost:9998/test/chunked
1 > Accept-Encoding: gzip,deflate
1 > Connection: keep-alive
1 > Content-Type: text/plain
1 > Host: localhost:9998
1 > Transfer-Encoding: chunked
1 > User-Agent: Jersey/2.5.1 (Apache HttpClient 4.3.1)
POST
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.filter.LoggingFilter log
INFO: 2 * Server responded with a response on thread qtp216856121-27
2 < 200
2 < Content-Type: text/plain
POST
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.test.jetty.JettyTestContainerFactory$JettyTestContainer stop
INFO: Stopping JettyTestContainer...
2014-02-08 14:43:18.063:INFO:oejs.ServerConnector:main: Stopped ServerConnector@5884a914{HTTP/1.1}{0.0.0.0:9998}
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.server.ApplicationHandler initialize
INFO: Initiating Jersey application, version Jersey: 2.5.1 2014-01-02 13:43:00...
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.test.jetty.JettyTestContainerFactory$JettyTestContainer start
INFO: Starting JettyTestContainer...
2014-02-08 14:43:18.127:INFO:oejs.Server:main: jetty-9.0.6.v20130930
2014-02-08 14:43:18.129:INFO:oejs.ServerConnector:main: Started ServerConnector@4c550889{HTTP/1.1}{0.0.0.0:9998}
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.filter.LoggingFilter log
INFO: 1 * Server has received a request on thread qtp1155769010-45
1 > POST http://localhost:9998/test
1 > Accept-Encoding: gzip,deflate
1 > Connection: keep-alive
1 > Content-Length: 4
1 > Content-Type: text/plain
1 > Host: localhost:9998
1 > User-Agent: Jersey/2.5.1 (Apache HttpClient 4.3.1)
POST
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.filter.LoggingFilter log
INFO: 2 * Server responded with a response on thread qtp1155769010-45
2 < 200
2 < Content-Type: text/plain
POST
Feb 08, 2014 2:43:18 PM org.glassfish.jersey.test.jetty.JettyTestContainerFactory$JettyTestContainer stop
INFO: Stopping JettyTestContainer...
2014-02-08 14:43:18.169:INFO:oejs.ServerConnector:main: Stopped ServerConnector@4c550889{HTTP/1.1}{0.0.0.0:9998}
Feb 08, 2014 2:43:17 PM org.glassfish.jersey.server.ApplicationHandler initialize
INFO: Initiating Jersey application, version Jersey: 2.5.1 2014-01-02 13:43:00...