Bug 1613424
| Summary: | [GSS](6.4.z) JBJCA-1371 - Deadlock for threads executing org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.isEqual | |||
|---|---|---|---|---|
| Product: | [JBoss] JBoss Enterprise Application Platform 6 | Reporter: | Brad Maxwell <bmaxwell> | |
| Component: | JCA | Assignee: | Jiri Ondrusek <jondruse> | |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Peter Mackay <pmackay> | |
| Severity: | unspecified | Docs Contact: | ||
| Priority: | unspecified | |||
| Version: | 6.4.20 | CC: | dcihak, jpederse, pmackay, rstancel, sfikes | |
| Target Milestone: | CR1 | |||
| Target Release: | EAP 6.4.21 | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| Whiteboard: | ||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | ||
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1614027 (view as bug list) | Environment: | ||
| Last Closed: | 2019-08-19 12:42:13 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Embargoed: | ||||
| Bug Depends On: | ||||
| Bug Blocks: | 1567790, 1611770, 1614027 | |||
Two or more threads hold one lock on an instance of java.util.Collections$SynchronizedMap and attempt to obtain a lock on a different instance (e.g. locks on 0x00000001d0d08bd8 and 0x00000001cea22628 in the example below) "thread-one" ... java.lang.Thread.State: BLOCKED (on object monitor) at java.util.Collections$SynchronizedMap.get(Collections.java:2584) waiting to lock <0x00000001cea22628> (a java.util.Collections$SynchronizedMap) at java.util.AbstractMap.equals(AbstractMap.java:495) at java.util.Collections$SynchronizedMap.equals(Collections.java:2631) locked <0x00000001d0d08bd8> (a java.util.Collections$SynchronizedMap) at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.isEqual(XAManagedConnectionFactory.java:563) locked <0x00000001d0d08bd8> (a java.util.Collections$SynchronizedMap) at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.equals(XAManagedConnectionFactory.java:598) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnectionFactory$SubjectActions.doCheck(BaseWrapperManagedConnectionFactory.java:1397) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnectionFactory$SubjectActions.addMatchingProperties(BaseWrapperManagedConnectionFactory.java:1508) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnectionFactory.getConnectionProperties(BaseWrapperManagedConnectionFactory.java:1135) at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.matchManagedConnections(XAManagedConnectionFactory.java:533) ... at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:138) at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:66) ... "thread-two" ... java.lang.Thread.State: BLOCKED (on object monitor) at java.util.Collections$SynchronizedMap.size(Collections.java:2572) waiting to lock <0x00000001d0d08bd8> (a java.util.Collections$SynchronizedMap) at java.util.AbstractMap.equals(AbstractMap.java:482) at java.util.Collections$SynchronizedMap.equals(Collections.java:2631) locked <0x00000001cea22628> (a java.util.Collections$SynchronizedMap) at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.isEqual(XAManagedConnectionFactory.java:563) locked <0x00000001cea22628> (a java.util.Collections$SynchronizedMap) at org.jboss.jca.adapters.jdbc.xa.XAManagedConnectionFactory.equals(XAManagedConnectionFactory.java:598) ... [same stack as thread-one above] ... at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:138) at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:66) ...