| Summary: | Data race on field org.apache.catalina.connector.Request.comet | ||
|---|---|---|---|
| Product: | Tomcat 8 | Reporter: | Yilong Li <yilong.li> |
| Component: | Catalina | Assignee: | Tomcat Developers Mailing List <dev> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | ||
| Priority: | P2 | ||
| Version: | 8.0.x-trunk | ||
| Target Milestone: | ---- | ||
| Hardware: | PC | ||
| OS: | Linux | ||
Fixed in trunk and 8.0.x for 8.0.27 onwards. |
Reported by RV-Predict (a dynamic race detector) when running the test suite: Data race on field org.apache.catalina.connector.Request.comet: {{{ Concurrent read in thread T21 (locks held: {Monitor@2ea9e917}) ----> at org.apache.catalina.connector.Request.isComet(Request.java:2537) at org.apache.catalina.connector.CometEventImpl.close(CometEventImpl.java:97) at org.apache.catalina.comet.TestCometProcessor$SimpleCometServlet.event(TestCometProcessor.java:523) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilterEvent(ApplicationFilterChain.java:470) at org.apache.catalina.core.ApplicationFilterChain.doFilterEvent(ApplicationFilterChain.java:363) at org.apache.catalina.core.StandardWrapperValve.event(StandardWrapperValve.java:408) at org.apache.catalina.core.StandardContextValve.event(StandardContextValve.java:129) at org.apache.catalina.valves.ValveBase.event(ValveBase.java:202) at org.apache.catalina.valves.ValveBase.event(ValveBase.java:202) at org.apache.catalina.core.StandardHostValve.event(StandardHostValve.java:221) at org.apache.catalina.valves.ValveBase.event(ValveBase.java:202) at org.apache.catalina.core.StandardEngineValve.event(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.event(CoyoteAdapter.java:203) at org.apache.coyote.http11.Http11NioProcessor.event(Http11NioProcessor.java:106) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:666) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482) - locked Monitor@2ea9e917 at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1481) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) T21 is created by T16 at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010) Concurrent write in thread T20 (locks held: {}) ----> at org.apache.catalina.connector.Request.setComet(Request.java:2545) at org.apache.catalina.connector.Request.cometClose(Request.java:2584) at org.apache.catalina.connector.CometEventImpl.close(CometEventImpl.java:98) at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseThread.run(TestCometProcessor.java:665) T20 is created by T19 at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseValve.invoke(TestCometProcessor.java:648) }}}