https://bz.apache.org/bugzilla/show_bug.cgi?id=58392
Bug ID: 58392
Summary: Data race on field
org.apache.catalina.tribes.group.interceptors.DomainFi
lterInterceptor.membership
Product: Tomcat 8
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
Reported by RV-Predict (a dynamic race detector) when running the test suite:
Data race on field
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.membership:
{{{
Concurrent read in thread T49 (locks held: {})
----> at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.memberAdded(DomainFilterInterceptor.java:58)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.memberAdded(ChannelInterceptorBase.java:87)
at
org.apache.catalina.tribes.group.ChannelCoordinator.memberAdded(ChannelCoordinator.java:245)
at
org.apache.catalina.tribes.membership.McastService.memberAdded(McastService.java:461)
at
org.apache.catalina.tribes.membership.McastServiceImpl$2.run(McastServiceImpl.java:397)
T49 is created by T35
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
Concurrent write in thread T48 (locks held: {Monitor@58bf36a2})
----> at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.setupMembership(DomainFilterInterceptor.java:108)
- locked Monitor@58bf36a2 at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.setupMembership(DomainFilterInterceptor.java:n/a)
at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.memberAdded(DomainFilterInterceptor.java:58)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.memberAdded(ChannelInterceptorBase.java:87)
at
org.apache.catalina.tribes.group.ChannelCoordinator.memberAdded(ChannelCoordinator.java:245)
at
org.apache.catalina.tribes.membership.McastService.memberAdded(McastService.java:461)
at
org.apache.catalina.tribes.membership.McastServiceImpl$2.run(McastServiceImpl.java:397)
T48 is created by T35
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
Data race on field
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.membership:
{{{
Concurrent read in thread T49 (locks held: {})
----> at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.memberAdded(DomainFilterInterceptor.java:60)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.memberAdded(ChannelInterceptorBase.java:87)
at
org.apache.catalina.tribes.group.ChannelCoordinator.memberAdded(ChannelCoordinator.java:245)
at
org.apache.catalina.tribes.membership.McastService.memberAdded(McastService.java:461)
at
org.apache.catalina.tribes.membership.McastServiceImpl$2.run(McastServiceImpl.java:397)
T49 is created by T35
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
Concurrent write in thread T48 (locks held: {Monitor@58bf36a2})
----> at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.setupMembership(DomainFilterInterceptor.java:108)
- locked Monitor@58bf36a2 at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.setupMembership(DomainFilterInterceptor.java:n/a)
at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.memberAdded(DomainFilterInterceptor.java:58)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.memberAdded(ChannelInterceptorBase.java:87)
at
org.apache.catalina.tribes.group.ChannelCoordinator.memberAdded(ChannelCoordinator.java:245)
at
org.apache.catalina.tribes.membership.McastService.memberAdded(McastService.java:461)
at
org.apache.catalina.tribes.membership.McastServiceImpl$2.run(McastServiceImpl.java:397)
T48 is created by T35
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
Non-thread-safe implementation of lazy initialization.
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