[hibernate-issues] [Hibernate-JIRA] Issue Comment Edited: (HSEARCH-1095) Near Real Time produces NPEs in worker thread on first flush

Near Real Time produces NPEs in worker thread on first flush ------------------------------------------------------------ Key: HSEARCH-1095 URL: https://hibernate.onjira.com/browse/HSEARCH-1095 Project: Hibernate Search Issue Type: Bug Components: engine Affects Versions: 4.1.0.Final Reporter: Emmanuel Bernard Assignee: Sanne Grinovero Labels: candidate_for_next Fix For: 4.1.1.Final {code} 13:34:02,078 ERROR [org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask] (Hibernate Search: Index updates queue processor for index org.jboss.as.quickstarts.kitchensink.model.Member-1) HSEARCH000073: Error in backend: java.lang.NullPointerException at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.flush(NRTWorkspaceImpl.java:171) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.afterTransactionApplied(NRTWorkspaceImpl.java:79) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:138) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31] at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31] 13:34:02,099 ERROR [org.hibernate.search.exception.impl.LogErrorHandler] (Hibernate Search: Index updates queue processor for index org.jboss.as.quickstarts.kitchensink.model.Member-1) HSEARCH000058: Exception occurred java.lang.NullPointerException Primary Failure: Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 1 Work Type org.hibernate.search.backend.AddLuceneWork Subsequent failures: Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 2 Work Type org.hibernate.search.backend.AddLuceneWork Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 3 Work Type org.hibernate.search.backend.AddLuceneWork Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 4 Work Type org.hibernate.search.backend.AddLuceneWork java.lang.NullPointerException at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.flush(NRTWorkspaceImpl.java:171) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.afterTransactionApplied(NRTWorkspaceImpl.java:79) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:138) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31] at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31] {code} {code}@Entity @XmlRootElement @Table(uniqueConstraints = @UniqueConstraint(columnNames = "email")) @Indexed public class Member implements Serializable { /** Default value included to remove warning. Remove or modify at will. **/ private static final long serialVersionUID = 1L; @Id @GeneratedValue private Long id; @NotNull @Size(min = 1, max = 25) @Pattern(regexp = "[A-Za-z ]*", message = "must contain only letters and spaces") @Field private String name; @NotNull @NotEmpty @Email private String email; @NotNull @Size(min = 10, max = 12) @Digits(fraction = 0, integer = 12) @Column(name = "phone_number") private String phoneNumber; @NotEmpty @Size(min = 2, max = 50) @Field private String location; @NotEmpty @Size(min = 2, max = 50) @Field private String job; {code} {code}<?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="primary"> <!-- If you are running in a production environment, add a managed data source, this example data source is just for development and testing! --> <!-- The datasource is deployed as WEB-INF/kitchensink-quickstart-ds.xml, you can find it in the source at src/main/webapp/WEB-INF/kitchensink-quickstart-ds.xml --> <jta-data-source>java:jboss/datasources/KitchensinkQuickstartDS</jta-data-source> <properties> <!-- Properties for Hibernate --> <property name="hibernate.hbm2ddl.auto" value="create-drop" /> <property name="hibernate.show_sql" value="false" /> <property name="hibernate.search.default.indexmanager" value="near-real-time"/> <property name="hibernate.search.default.directory_provider" value="ram"/> </properties> </persistence-unit> </persistence> {code} When I comment <property name="hibernate.search.default.indexmanager" value="near-real-time"/>, it works