Daniil Kirilyuk created QPID-8748:
-------------------------------------
Summary: [Broker-J] NPE when sorting results in broker query engine
Key: QPID-8748
URL: https://issues.apache.org/jira/browse/QPID-8748
Project: Qpid
Issue Type: Bug
Components: Broker-J
Affects Versions: qpid-java-broker-10.0.1
Reporter: Daniil Kirilyuk
Fix For: qpid-java-broker-10.1.0
Under certain circumstances broker produces following stacktrace when calling
REST API:
{code:java}
2025-11-24T15:06:10,165Z ERROR [qtp701866202-5313]
(o.a.q.s.m.p.s.r.QueryServlet) - Error when executing query
java.util.ConcurrentModificationException: null
at
java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013)
at java.base/java.util.ArrayList$Itr.next(ArrayList.java:967)
at
org.apache.qpid.server.query.engine.evaluator.QueryEvaluator.sortResult(QueryEvaluator.java:317)
at
org.apache.qpid.server.query.engine.evaluator.QueryEvaluator.evaluate(QueryEvaluator.java:253)
at
org.apache.qpid.server.query.engine.evaluator.QueryEvaluator.execute(QueryEvaluator.java:213)
at
org.apache.qpid.server.management.plugin.servlet.rest.QueryServlet.doPost(QueryServlet.java:115)
at
org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.doPost(AbstractServlet.java:155)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:520)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:587)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
at
org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
at
org.apache.qpid.server.management.plugin.filter.AuthenticationCheckFilter.lambda$doFilterChainAs$1(AuthenticationCheckFilter.java:155)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
at java.base/javax.security.auth.Subject.doAs(Subject.java:439)
at
org.apache.qpid.server.management.plugin.filter.AuthenticationCheckFilter.doFilterChainAs(AuthenticationCheckFilter.java:153)
at
org.apache.qpid.server.management.plugin.filter.AuthenticationCheckFilter.doFilter(AuthenticationCheckFilter.java:123)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at
org.apache.qpid.server.management.plugin.filter.LoggingFilter.doFilter(LoggingFilter.java:63)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at
org.apache.qpid.server.management.plugin.filter.MethodFilter.doFilter(MethodFilter.java:67)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at
org.eclipse.jetty.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:314)
at
org.eclipse.jetty.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:267)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at
org.apache.qpid.server.management.plugin.filter.ExceptionHandlingFilter.doFilter(ExceptionHandlingFilter.java:59)
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1381)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1303)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
at org.eclipse.jetty.server.Server.handle(Server.java:563)
at
org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
at
org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
at
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
at
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
at
org.apache.qpid.server.bytebuffer.QpidByteBufferFactory.lambda$createQpidByteBufferTrackingThreadFactory$0(QpidByteBufferFactory.java:464)
at java.base/java.lang.Thread.run(Thread.java:840) {code}
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