Attila Doroszlai created RATIS-789:
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Summary: ConcurrentModification in MetricsRegistriesImpl
Key: RATIS-789
URL: https://issues.apache.org/jira/browse/RATIS-789
Project: Ratis
Issue Type: Bug
Components: metrics
Reporter: Attila Doroszlai
{code}
java.util.ConcurrentModificationException
at java.util.ArrayList.forEach(ArrayList.java:1260)
at
org.apache.ratis.metrics.impl.MetricRegistriesImpl.lambda$create$1(MetricRegistriesImpl.java:66)
at
org.apache.ratis.metrics.impl.RefCountingMap.lambda$put$0(RefCountingMap.java:51)
at
java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853)
at
org.apache.ratis.metrics.impl.RefCountingMap.put(RefCountingMap.java:46)
at
org.apache.ratis.metrics.impl.MetricRegistriesImpl.create(MetricRegistriesImpl.java:59)
at
org.apache.ratis.server.metrics.RatisMetrics.create(RatisMetrics.java:45)
at
org.apache.ratis.server.metrics.RatisMetrics.getMetricRegistryForLogAppender(RatisMetrics.java:82)
at
org.apache.ratis.server.metrics.LogAppenderMetrics.<init>(LogAppenderMetrics.java:32)
at org.apache.ratis.server.impl.LeaderState.<init>(LeaderState.java:221)
at
org.apache.ratis.server.impl.RoleInfo.startLeaderState(RoleInfo.java:94)
at
org.apache.ratis.server.impl.RaftServerImpl.changeToLeader(RaftServerImpl.java:348)
at
org.apache.ratis.server.impl.LeaderElection.askForVotes(LeaderElection.java:238)
at
org.apache.ratis.server.impl.LeaderElection.run(LeaderElection.java:161)
{code}
(RATIS-788 has more details, if needed)
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