我们正在尝试获取复制器，但这个问题在我们的系统中间歇性地出现。我们使用的是 drools 7.6.0 版本。当我们的服务在重负载下尝试在运行时更新规则时，我们会看到此崩溃。之后，所有请求都开始失败。在会话中插入事实时出现此问题。
我们在该实例的线程转储中看到了https://issues.jboss.org/browse/DROOLS-1383中提到的非常相似的日志。
堆栈跟踪如下所示
java.lang.ArrayIndexOutOfBoundsException: 1 at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:349) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools .core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:169) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator. java:127) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.phreak.RuleExecutor.evaluateNetwork(RuleExecutor.java:71) ~[drools-core-7.6 .0.Final.jar:7.6.0.Final] 在 org.drools.core.common.DefaultAgenda.evaluateEagerList(DefaultAgenda.java:887) ~[drools-core-7.6.0.Final.jar:7.6.0. Final] at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1061) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.common。默认议程。internalFireAllRules（DefaultAgenda.java:1014）~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.common.DefaultAgenda.fireAllRules（DefaultAgenda.java:1006）~[drools -core-7.6.0.Final.jar:7.6.0.Final] 在 org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1318) ~[drools-core-7.6.0.Final.jar: 7.6.0.Final] 在 org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1309) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] 在 org.drools。 core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1293) ~[drools-core-7.6.0.Final.jar:7.6.0.Final]最终] 在 org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1318) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] 在 org.drools.core.impl。 StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1309) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1293) ~ [drools-core-7.6.0.Final.jar:7.6.0.Final]最终] 在 org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1318) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] 在 org.drools.core.impl。 StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1309) ~[drools-core-7.6.0.Final.jar:7.6.0.Final] at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1293) ~ [drools-core-7.6.0.Final.jar:7.6.0.Final]fireAllRules(StatefulKnowledgeSessionImpl.java:1293) ~[drools-core-7.6.0.Final.jar:7.6.0.Final]fireAllRules(StatefulKnowledgeSessionImpl.java:1293) ~[drools-core-7.6.0.Final.jar:7.6.0.Final]