| Summary: | Data race on field org.apache.coyote.Request.hook | ||
|---|---|---|---|
| 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.coyote.Request.hook: {{{ Concurrent read in thread T21 (locks held: {}) ----> at org.apache.coyote.Request.action(Request.java:372) at org.apache.catalina.connector.Request.cometClose(Request.java:2583) at org.apache.catalina.connector.CometEventImpl.close(CometEventImpl.java:98) at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseThread.run(TestCometProcessor.java:665) T21 is created by T20 at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseValve.invoke(TestCometProcessor.java:648) Concurrent write in thread T20 (locks held: {Monitor@78eabf38}) ----> at org.apache.coyote.Request.action(Request.java:373) at org.apache.catalina.connector.InputBuffer.available(InputBuffer.java:244) at org.apache.catalina.connector.Request.getAvailable(Request.java:2559) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1074) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1033) - locked Monitor@78eabf38 at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1032) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) T20 is created by T19 at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010) }}} Data race on field org.apache.coyote.Request.hook: {{{ Concurrent write in thread T20 (locks held: {Monitor@78eabf38}) ----> at org.apache.coyote.Request.action(Request.java:373) at org.apache.catalina.connector.InputBuffer.available(InputBuffer.java:244) at org.apache.catalina.connector.Request.getAvailable(Request.java:2559) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1074) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1033) - locked Monitor@78eabf38 at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1032) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) T20 is created by T19 at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010) Concurrent read in thread T21 (locks held: {}) ----> at org.apache.coyote.Request.action(Request.java:376) at org.apache.catalina.connector.Request.cometClose(Request.java:2583) at org.apache.catalina.connector.CometEventImpl.close(CometEventImpl.java:98) at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseThread.run(TestCometProcessor.java:665) T21 is created by T20 at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseValve.invoke(TestCometProcessor.java:648) }}} Data race on field org.apache.coyote.Request.hook: {{{ Concurrent write in thread T20 (locks held: {Monitor@78eabf38}) ----> at org.apache.coyote.Request.action(Request.java:373) at org.apache.catalina.connector.InputBuffer.available(InputBuffer.java:244) at org.apache.catalina.connector.Request.getAvailable(Request.java:2559) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1074) at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1033) - locked Monitor@78eabf38 at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.run(Nio2Endpoint.java:1032) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) T20 is created by T19 at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010) Concurrent read in thread T21 (locks held: {}) ----> at org.apache.coyote.Request.action(Request.java:380) at org.apache.catalina.connector.Request.cometClose(Request.java:2583) at org.apache.catalina.connector.CometEventImpl.close(CometEventImpl.java:98) at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseThread.run(TestCometProcessor.java:665) T21 is created by T20 at org.apache.catalina.comet.TestCometProcessor$AsyncCometCloseValve.invoke(TestCometProcessor.java:648) }}}