https://bz.apache.org/bugzilla/show_bug.cgi?id=58377
Bug ID: 58377
Summary: Data race on field
org.apache.coyote.http11.AbstractHttp11Processor.keepA
live
Product: Tomcat 8
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: yilong...@runtimeverification.com
Reported by RV-Predict (a dynamic race detector) when running the test suite:
Data race on field org.apache.coyote.http11.AbstractHttp11Processor.keepAlive:
{{{
Concurrent write in thread T39 (locks held: {})
----> at
org.apache.coyote.http11.AbstractHttp11Processor.prepareResponse(AbstractHttp11Processor.java:1547)
at
org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:740)
at org.apache.coyote.Response.action(Response.java:179)
at
org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:249)
at org.apache.coyote.Response.doWrite(Response.java:503)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:315)
at
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418)
at
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:90)
at
org.apache.catalina.connector.TestCoyoteAdapter$AsyncServlet$1.run(TestCoyoteAdapter.java:387)
T39 is created by T38
at
org.apache.catalina.connector.TestCoyoteAdapter$AsyncServlet.doGet(TestCoyoteAdapter.java:409)
Concurrent read in thread T38 (locks held: {Monitor@c32a9c3})
----> at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1097)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277)
- locked Monitor@c32a9c3 at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T38 is created by T36
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
Data race on field org.apache.coyote.http11.AbstractHttp11Processor.keepAlive:
{{{
Concurrent write in thread T39 (locks held: {})
----> at
org.apache.coyote.http11.AbstractHttp11Processor.prepareResponse(AbstractHttp11Processor.java:1547)
at
org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:740)
at org.apache.coyote.Response.action(Response.java:179)
at
org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:249)
at org.apache.coyote.Response.doWrite(Response.java:503)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:388)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:315)
at
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:418)
at
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:406)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:90)
at
org.apache.catalina.connector.TestCoyoteAdapter$AsyncServlet$1.run(TestCoyoteAdapter.java:387)
T39 is created by T38
at
org.apache.catalina.connector.TestCoyoteAdapter$AsyncServlet.doGet(TestCoyoteAdapter.java:409)
Concurrent read in thread T38 (locks held: {Monitor@c32a9c3})
----> at
org.apache.coyote.http11.Http11Processor.breakKeepAliveLoop(Http11Processor.java:190)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1172)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277)
- locked Monitor@c32a9c3 at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T38 is created by T36
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
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