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From bugzi...@apache.org
Subject [Bug 60409] New: IllegalArgumentException at java.nio.Buffer.position at SocketWrapperBase.transfer()
Date Thu, 24 Nov 2016 01:00:32 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=60409

            Bug ID: 60409
           Summary: IllegalArgumentException at java.nio.Buffer.position
                    at SocketWrapperBase.transfer()
           Product: Tomcat 8
           Version: 8.5.x-trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Connectors
          Assignee: dev@tomcat.apache.org
          Reporter: katzyn@gmail.com
  Target Milestone: ----

An unexpected exception found in log.

SEVERE: Error finishing response
java.lang.IllegalArgumentException
  at java.nio.Buffer.position(Buffer.java:244)
  at sun.nio.ch.IOUtil.write(IOUtil.java:68)
  at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
  at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:134)
  at
org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
  at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157)
  at
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:125
  at
org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:670)
  at
org.apache.tomcat.util.net.SocketWrapperBase.flushBlocking(SocketWrapperBase.java:60
  at
org.apache.tomcat.util.net.SocketWrapperBase.flush(SocketWrapperBase.java:597)
  at
org.apache.coyote.http11.Http11OutputBuffer.flushBuffer(Http11OutputBuffer.java:519)
  at
org.apache.coyote.http11.Http11OutputBuffer.finishResponse(Http11OutputBuffer.java:318)
  at
org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1458)
  at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:823)
  at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
  at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:7
  at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
  at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
  at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  at
java.util.concurrent.ThreadPoolExecutor$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)

I'm not sure but cause may be the same as in recently fixed bug 60372.
SocketWrapperBase also does not guard Buffer.limit() usages. Looks like all
usages of this method on reusable buffers should be checked.

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