https://bz.apache.org/bugzilla/show_bug.cgi?id=58367
Bug ID: 58367
Summary: Data race on field
org.apache.tomcat.util.http.HttpMessages.st_200
Product: Tomcat 8
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Util
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.tomcat.util.http.HttpMessages.st_200: {{{
Concurrent write in thread T29 (locks held: {Monitor@3fece8b3})
----> at
org.apache.tomcat.util.http.HttpMessages.getMessage(HttpMessages.java:73)
at
org.apache.coyote.http11.AbstractOutputBuffer.<init>(AbstractOutputBuffer.java:134)
at
org.apache.coyote.http11.Http11Processor.<init>(Http11Processor.java:60)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.createProcessor(Http11Protocol.java:171)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277)
- locked Monitor@3fece8b3 at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T29 is created by T15
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
Concurrent read in thread T27 (locks held: {Monitor@3bb9edae})
----> at
org.apache.tomcat.util.http.HttpMessages.getMessage(HttpMessages.java:75)
at
org.apache.coyote.http11.AbstractOutputBuffer.<init>(AbstractOutputBuffer.java:134)
at
org.apache.coyote.http11.Http11Processor.<init>(Http11Processor.java:60)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.createProcessor(Http11Protocol.java:171)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277)
- locked Monitor@3bb9edae at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T27 is created by T15
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
The implementation of lazy initialization of this field is non-thread-safe.
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