https://bz.apache.org/bugzilla/show_bug.cgi?id=59649
Bug ID: 59649
Summary: org.apache.coyote.http11.Http11Processor.service Error
parsing HTTP request header
Product: Tomcat 9
Version: 9.0.0.M6
Hardware: PC
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: ism...@ms-technology.com
With this tomcat version. Working under stress with http POST calls being fired
for uploading and downloading of files. After about 10 to 15 into the test we
started seeing broken responses.
On investigating the logs we noticed below errors:
01-Jun-2016 18:52:16.153 INFO [http-nio-8080-exec-2]
org.apache.coyote.http11.Http11Processor.service Error parsing HTTP request
header
Note: further occurrences of HTTP header parsing errors will be logged at
DEBUG level.
java.lang.IllegalStateException: Unexpected state: headers already parsed.
Buffer not recycled?
at
org.apache.coyote.http11.Http11InputBuffer.parseHeaders(Http11InputBuffer.java:589)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1002)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:788)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1485)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
01-Jun-2016 18:52:16.154 SEVERE [http-nio-8080-exec-4]
org.apache.coyote.http11.Http11Processor.service Error processing request
java.lang.NullPointerException
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:389)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1102)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:788)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1485)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
01-Jun-2016 18:52:16.160 SEVERE [http-nio-8080-exec-4]
org.apache.coyote.http11.Http11Processor.endRequest Error finishing response
java.lang.NullPointerException
at
org.apache.coyote.http11.Http11OutputBuffer.commit(Http11OutputBuffer.java:351)
at
org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:646)
at
org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1785)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1143)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:788)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1485)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
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