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From bugzi...@apache.org
Subject [Bug 58821] New: NPE in at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(InternalNioOutputBuffer.java:234)
Date Thu, 07 Jan 2016 18:12:17 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=58821

            Bug ID: 58821
           Summary: NPE in at
                    org.apache.coyote.http11.InternalNioOutputBuffer.flush
                    Buffer(InternalNioOutputBuffer.java:234)
           Product: Tomcat 8
           Version: 8.0.15
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: Juliesur@gmail.com

WE are using tomcat 8.0.15 in our product. Under traffic we see below
exceptions in our logs 

TomcatLog  Error finishing response
java.lang.NullPointerException 
     at
org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(InternalNioOutputBuffer.java:234)

     at
org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:189)

     at
org.apache.coyote.http11.InternalNioOutputBuffer.commit(InternalNioOutputBuffer.java:177)

     at
org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:739)

     at org.apache.coyote.Response.action(Response.java:179) 
     at
org.apache.coyote.http11.AbstractOutputBuffer.endRequest(AbstractOutputBuffer.java:369) 
     at
org.apache.coyote.http11.AbstractHttp11Processor.endRequest(AbstractHttp11Processor.java:1773)

     at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1142)

     at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)

     at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)

     at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556) 
     at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513) 
     at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
     at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
     at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 
     at java.lang.Thread.run(Thread.java:745) 


and 
TomcatLog Error processing request
java.lang.NullPointerException 
     at
org.apache.catalina.connector.Request.notifyAttributeAssigned(Request.java:1492) 
     at org.apache.catalina.connector.Request.setAttribute(Request.java:1482) 
     at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:154) 
     at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) 
     at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) 
     at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537) 
     at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)

     at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)

     at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)

     at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556) 
     at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513) 
     at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
     at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
     at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 
     at java.lang.Thread.run(Thread.java:745)

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