https://bz.apache.org/bugzilla/show_bug.cgi?id=58320
Bug ID: 58320
Summary: Data race inside the non-thread-safe HashMap
org.apache.catalina.connector.Request.attributes
Product: Tomcat 8
Version: 8.0.24
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 java.util.HashMap.$state: {{{
Concurrent read in thread T122 (locks held: {Monitor@5d0626be})
----> at org.apache.catalina.connector.Request.getAttribute(Request.java:876)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:277)
- locked Monitor@5d0626be at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T122 is created by T120
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
Concurrent write in thread T123 (locks held: {})
----> at
org.apache.catalina.connector.Request.setAttribute(Request.java:1480)
at
org.apache.catalina.core.AsyncContextImpl.dispatch(AsyncContextImpl.java:192)
at
org.apache.catalina.core.AsyncContextImpl.dispatch(AsyncContextImpl.java:178)
at
org.apache.catalina.core.TestAsyncContextImpl$Bug53337ServletB$1.run(TestAsyncContextImpl.java:1456)
T123 is created by T122
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
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