According to the log info, there have a NPE occur when call method
kieContainer.newKieSession().
Best Regards,
Jerry Zhang
> On 13 Sep 2017, at 14:15, 张博 <jyzhan...@gmail.com> wrote:
>
> Hi!
> Now I want to use Drools in a blot,it works normal in the LocalCluster, but
> when I put it to the production cluster,it has error.
> The blot:
> public class DealLostBolt extends BaseRichBolt {
>
> private static final long serialVersionUID = 1L;
>
> private static final Logger LOGGER =
> LoggerFactory.getLogger("DEAL_LOST_BOLT");
>
> private OutputCollector collector;
>
> private KieSession kieSession;
>
> private FactHandle factHandle;
>
> @Override
> public void execute(Tuple input) {
> // 获取数据
> String sentence = (String) input.getValue(0);
> LOGGER.info("DealLostBolt获取到的数据：" + sentence);
>
> // 数据转换
> PutDataPoint dataPoint = Json.fromJson(PutDataPoint.class, sentence);
>
> KieServices ks = KieServices.Factory.get();
> KieContainer kieContainer = ks.getKieClasspathContainer();
> kieSession = kieContainer.newKieSession("all-rule");
> kieSession.getAgenda().getAgendaGroup("deal-lost").setFocus();
>
> factHandle = kieSession.insert(dataPoint);
> kieSession.fireAllRules();
> kieSession.delete(factHandle);
>
> collector.emit(new Values(sentence));
> }
>
> @Override
> public void declareOutputFields(OutputFieldsDeclarer declarer) {
> declarer.declare(new Fields("value"));
>
> }
>
> @Override
> public void prepare(Map stormConf, TopologyContext context, OutputCollector
> collector) {
> this.collector = collector;
> }
>
> }
> The erros:
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:495)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:460)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:73)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.daemon.executor$fn__5030$fn__5043$fn__5096.invoke(executor.clj:848)
> ~[storm-core-1.1.1.jar:1.1.1]
> at org.apache.storm.util$async_loop$fn__557.invoke(util.clj:484)
> [storm-core-1.1.1.jar:1.1.1]
> at clojure.lang.AFn.run(AFn.java:22) [clojure-1.7.0.jar:?]
> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
> Caused by: java.lang.NullPointerException
> at
> org.kie.internal.io.ResourceFactory.newByteArrayResource(ResourceFactory.java:66)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.AbstractKieModule.getResource(AbstractKieModule.java:299)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.AbstractKieModule.addResourceToCompiler(AbstractKieModule.java:264)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.AbstractKieModule.addResourceToCompiler(AbstractKieModule.java:259)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:228)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.AbstractKieModule.createKieBase(AbstractKieModule.java:206)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.KieContainerImpl.createKieBase(KieContainerImpl.java:584)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.KieContainerImpl.getKieBase(KieContainerImpl.java:552)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:680)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.drools.compiler.kie.builder.impl.KieContainerImpl.newKieSession(KieContainerImpl.java:648)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at cn.ennwifi.storm.bolt.DealLostBolt.execute(DealLostBolt.java:52)
> ~[se-storm-0.0.1-SNAPSHOT-jar-with-dependencies.jar:?]
> at
> org.apache.storm.daemon.executor$fn__5030$tuple_action_fn__5032.invoke(executor.clj:729)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.daemon.executor$mk_task_receiver$fn__4951.invoke(executor.clj:461)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.disruptor$clojure_handler$reify__4465.onEvent(disruptor.clj:40)
> ~[storm-core-1.1.1.jar:1.1.1]
> at
> org.apache.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:482)
> ~[storm-core-1.1.1.jar:1.1.1]
> ... 6 more
>
> Could somebody help me？
>
> Thanks!
